Application Guide - Medical Appliancesallstarmagnetics.com/assets/medicalapps.pdf · Application...
Transcript of Application Guide - Medical Appliancesallstarmagnetics.com/assets/medicalapps.pdf · Application...
www.epcos.com
Application Guide 2009
Industr ia lE l e c t r o n i c C o m p o n e n t s f o rM e d i c a l A p p l i a n c e s
© EPCOS AG 20082
EPCOS is a leading manufacturer of electronic components, modules and systems.Our broad portfolio includes capacitors, inductors and ferrites, EMC filters, sensorsand sensor systems, nonlinear resistors, and arresters, as well as SAW and BAWcomponents and RF modules. As an innovative technology-driven company, EPCOSfocuses technologically demanding growth markets in the areas of information andcommunications technology, automotive, industrial, and consumer electronics. Weoffer our customers both standard components as well as application-specificsolutions.
EPCOS has design, manufacturing and marketing facilities in Europe, Asia and the Americas. We are continuously strengthening our global research and development network by expanding R&D activities at our production locations, primarily in Eastern Europe, China and India. With our global presence we are able to provide our customers with local development and manufacturing know-how and support in the early phases of their projects.
EPCOS is continually improving its processes and thus the quality of its products and services. The Group is ISO/TS 16949 certified and remains committed to constantly reviewing and systematically improving its quality management system.
Welcome to the World of Electronic Components and Modules
Medical technology is one of the most challenging markets for electronics. Thedemands placed on the precision, reliability and long-term stability of electronicsystems are very high. The same also applies to the electronic components as well. Based on its recognized high level of quality EPCOS is able to meet these requirements.
For example, the pressure sensors used in anesthesia apparatus are designed to be very reliable and extremely precise. Special skin probes for long-term body temperature monitoring – for example in incubators for neonates – can withstand atleast 100 sterilization cycles at 134 °C.
Power supplies for medical devices must also be extremely reliable. For such applications EPCOS manufactures aluminum electrolytic capacitors, for example,that can be operated at temperatures of up to 140 °C and offer high long-term stability and a long useful life. EPCOS has also developed large-volume ferrite coresespecially for the high-performance and high-voltage power supplies in X-ray, CT and MRI equipment.
Film capacitors designed by EPCOS also feature very high long-term stability for use in high-voltage power supplies, as well as in the PFC, snubbering or EMI filtering stages of medical devices.
On the following pages you will find further special features that distinguish our products and solutions for use in medical appliances.
3© EPCOS AG 2008
EPCOS Components forMedical Appliances
4 © EPCOS AG 2008
Inductors
Powerline chokesCommon-mode chokes
High current handling capabilityHousing design up to 16 AHigh temperature stability up to+125 °CSuppression of asymmetricalinterference coupled onto lines Design complies with EN 60938-2
Differential-mode chokes
High current handling capabilityHigh temperature stabilitySuppression of symmetricalinterference coupled onto linesDouble chokes: approx. 50% ofrated inductance for common-mode interference suppression
Aluminum Electrolytic Capacitors
Long-term stabilityHigh ripple current capabilityOperating temperature up to+140 °CVery low ESR and ESLLong useful lifeHigh vibration resistanceSelf-extinguishing electrolyteCompact can size
Ceramic TransientVoltage Suppressors
Suitable for ESD protectionBidirectional clampingTypes with controlled capacitance
EMC Filters
Wide current range of standardfilters up to 2500 ARated voltage up to 760 V ACand 2000 V DCVarious terminal stylesMedical versions with low leakagecurrent
UL/CSA/ENEC approvalCustomer-specific solutionsupon requestEPCOS also runs its ownaccredited EMC laboratory inRegensburg/Germany which can perform all relevant tests andissue the necessary documen-tation to obtain CE-conformity
Ferrites
Large-volume cores can bemanufactured in customizedshapes on special productionequipment, such as a 400 t press
Film Capacitors
Power supplies for workstations,imaging power systems andLCDsPower supplies for criticalsystems e.g. X-ray, CTHighly reliable power convertersfor pumps and motorsHigh safety level due to self-healing capability
EPCOS Components forMedical Appliances
Special Features
© EPCOS AG 2008 5
Pressure Sensors
Compact relative pressuretransmittersCalibrated and temperaturecompensated precision pressuresensors Operating temperature –30 °C up to +85 °CDefined output in case of a sensordefectCustomer-specific solutions uponrequest
Surge Arresters
Very reliableProtection of AC/DC convertersFast response timeLow breakdown voltage
Varistors
Leaded disks 5 to 20 mmSquare disks 14 and 20 mmThermoFuse varistors (ETFV)
Multilayer Ceramic CapacitorsMultilayer Serial Capacitors
Secured capacitors of improvedrugged design based on long-term field experienceThe serial design limits the risksof failures and improves the relia-bility of the applicationSpace-saving with reducedassembly time and costsHigh breakthrough voltageHigh ESD and pulse strengthReduced DC bias dependenceHigh volumetric efficiencyNonlinear capacitance changeHigh insulation resistanceVery good high frequency filteringwith EMI SingleVery good broadband filteringwith EMI TwinFiltering of mulitple parallel linesElimination of parasiticinductanceQualified acc. to AEC-Q200, MIL-STD-883G, ISO 10605
NTC Thermistors
Long-term stabilityHigh measuring accuracyFast response timeTemperature measurement up to +260 °CHeat resistant and highly stableHigh insulation voltageRugged designCompact dimensionsSuitable for steam sterilizationClinical thermometers for oraland skin surface temperaturemeasurement (skin sensors)Dedicated probes for allapplicationCustomer-specific solutionsupon request
Special Features
EPCOS Components forMedical Appliances
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Aluminum electrolytic capacitors
Screw terminals
4-pin snap-in terminals / solder pins
Snap-in
Single ended
Capacitors for pulse applications
Ceramic transient voltage suppressors
SMD
EMC filters
IEC inlet filters
1-line filters
2-line filters
3-line filters, 4-line filters
Ferrites
E, EFD, ETD cores
ELP, ER, EQ cores
PQ cores
PM cores
U cores
Ring cores
Large volume cores (customized)
Film capacitors
X2/X1 capacitors
Y2/Y1 capacitors
High voltage capacitors
MKT capacitors for general purpose applications
MKT capacitors for high-reliability applications
MKP capacitors for DC-link / bus
MKP capacitors for snubbering, resonance, PFC, filtering
MFP capacitors
Please read Important notes on page 17.6 © EPCOS AG 2008
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EPCOS Components forMedical Appliances
Portfolio overview
EPCOS Components forMedical Appliances
© EPCOS AG 2008 7Please read Important notes on page 17.
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Portfolio overview
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Inductors
Powerline chokes, common-mode (ring core)
Powerline chokes, differential-mode (I core)
Multilayer ceramic capacitors
MLSC
Arrays
ESD
Feedthrough capacitors, EMI filters
NTC thermistors
V*
S8*, S9*
G5*
G35*
B1010
Foil sensors
K276, Z276, Z278
Inrush current limiters
Pressure sensors
Anesthesia/respiration pressure sensor
CAU pressure transmitters, output voltage
CAU pressure transmitters, output current
Surge arresters
EF
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Varistors
S05 … 20
Q14, Q20
ETFV14, ETFV20
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Please read Important notes on page 17.8 © EPCOS AG 2008
EPCOS Components forMedical Appliances
Characteristics
Low voltageVR: 16 … 100 V DCCR: 1500 … 330000 μF
High voltageVR: 200 … 500 V DCCR: 560 … 33000 μF
Low voltageUseful life up to+125 °C, 2500 h+105 °C, 10000 h+85 °C, 12000 h
High voltageUseful life up to+105 °C, 8000 h+85 °C, 15000 h
VR: 350 … 500 V DCCR: 330 … 2700 μF
Useful life up to+105 °C, 3000 h+85 °C, 12000 h
B41456/B41458
B41550/B41570
B41554
B41560/B41580
B43454/B43474
B43455/B43457
B43456/B43458
B43560/B43580
B43564/B43584
B43750/B43770
B43510/B43520
B43511/B43521
B43514/B43524
VR: 300 … 500 V DCCR: 200 … 18000 μF
Useful life up to+60 °C, 100000 discharges
B43415
B43416
Low voltageVR: 10 … 100 V DCCR: 560 … 47000 μF
High voltageVR: 160 … 450 V DCCR: 47 … 3300 μF
Low voltageUseful life up to+105 °C, 5000 h+85 °C, 2000 h
High voltageUseful life up to+105 °C, 5000 h+85 °C, 10000 h
B41303
B41505/B43505
B43305
B43501
B43504
B43508
B43540
B43601
Low voltageVR: 6.3 … 100 V DCCR: 0.1 … 12000 μF
High voltageVR: 160 … 450 V DCCR: 0.47 … 560 μF
Useful life up to+125 °C, 7000 h+105 °C, 15000 h
B41821/B43821
B41851/B43851
B41858/B43858
B41888/B43888
B41889
B41890/B43890
B725 ...Sizes:CT (AgNiSn termination): 0603, 0805,
1206, 1210
CN (AgPd termination): 1812, 2220
VV (1 mA): 22 … 52 V
VRMS: 14 … 30 V
For circuit, semiconductorand interface protection
Series Technical data Features Ordering code / Type
Aluminum electrolytic capacitors
Screw terminals
4-pin snap-in terminals /solder pins
Snap-in
Single-ended
Capacitors for pulse applications
Ceramic transient voltage suppressors
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© EPCOS AG 2008 9Please read Important notes on page 17.
EPCOS Components forMedical Appliances
Characteristics
Series Technical data Features Ordering code / Type
EMC filters
IEC inlet filters
1-line filters
Feedthrough capacitors
Feedthroughfilters
2-line filters SIFI
3-line filters4-line filters
Ferrites
E coresEFD coresETD cores
ELP coresER coresEQ cores
PQ cores
PM cores
U cores
Ring cores
U93 … U141
R9.53 ... R202
ELP14 ... ELP64
ER9.5 ... ER32
EQ13 ... EQ30
PM50 … PM114
E5 ... E80
EFD15 ... EFD30
ETD29 ... ETD59
B84143 ...
B84144 ...
Flat mounting height
Integrated board
Ferrite cores for power transformersand chokes
Large volume cores
Compact design
Accessories available
Different combinations possible
Large volume cores
Ferrite cores for power transformersand chokes
Epoxy-coated versions are standard
Wide range of core shapes, sizes andaccessories
Ferrite cores for power transformersand chokes
Customer specific 3-line and 4-linefilters upon request
High insertion loss
Optimized leakage current
Compact design
B84111F ...
B84112G ...
B84113H ...
Modular SIFI filter system with various cases and insertion losses
Medical versions with very lowleakage current
Suppression of differential andcommon-mode interference
Ambient temperature up to +100 °C
1 or 2 stage filters
UL/CSA/ENEC approved
VR: 250 V AC / V DCIR: 3 ... 36 A
VR: 440 ... 760 V ACIR: 6 ... 2500 A
Material: N30, N87, N97AL: 69 … 9700 nH
Material: N49, N87, N92, N95, N97AL: 800 … 12500 nH
Material: N87AL: 7400 … 16000 nH
Material: N87AL: 3000 … 8900 nH
Material: N30, N87, T35, T36, T37,T38AL: 850 … 21300 nH
B8477 …EMC filters with integrated IEC connector
Medical versions with very low leakage current
VR: 250 V AC / V DCIR: 3 … 15 A
B85121
B85321
MKP technology (dry, self-healing)
Solderless production technology
Terminals as axial leads, screwconnectors, soldering tags or tabconnectors
Metal case, polyurethane potting(UL 94 V-0)
VR: 75 ... 600 V AC / V DC IR: 16 ... 500 A
Feedthrough capacitorsCR: 0.00125 ... 4.7 μF
Feedthrough filtersCR: 0.0025 ... 2 x 4.7 μF
Material: N49, N87, N92, N95, N97
AL: 1900 … 7600 nH
Compact design
Ferrite cores for power transformersand chokes
PQ16 … PQ35
Please read Important notes on page 17.10 © EPCOS AG 2008
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EPCOS Components forMedical Appliances
Characteristics
Series Technical data Features Ordering code / Type
Film capacitors
X2/X1 capacitors
Y2/Y1 capacitors
High voltage capacitors
MKT capacitors for general purposeapplications
MKT capacitors forhigh-reliabilityapplications
MKP capacitors for DC-link / bus
B32674 … B32678
B32774 … B32778
B32021 … B32026
B81123
B32227
B32237
B32656H …
Heavy duty DC-link / bus capacitorsfor power supplies and converters
Very good ripple current (B32674 … B32678)
High density of capacitance pervolume (B32774 … B32778)
Filter capacitors for use betweenline/neutral and ground
Y1 with reinforced insulation (8 kV pulses) for safety applications
Capability to withstand high AC over-voltage pulses
Low flammability and safe failuremode
International approvals (UL/ENEC)with safety level Y2 or Y1
Heavy duty capacitors for highvoltage power supplies
High parameter stability withtemperature
Minimum weight
High pulse withstand capability
Very good ripple current for allfrequency ranges in B32656H-series
B32911 … B32916
B32921 … B32928
Filter capacitors for use between lineand neutral (L-N)
High filtering efficiency per volume
Low flammability and safe failuremode
International approvals (UL/ENEC)with safety level X2 or X1
X2 VRMS: 305 V ACCR: 10 nF … 45 μF
X1 VRMS: 330 V ACCR: 10 nF … 6.8 μF
Y2 VRMS: 300 V ACCR: 1 nF … 1 μF
Y1 VRMS: 250 V ACCR: 1 … 10 nF
VR: 2500 … 6300 V DC (MKT)CR: 10 … 250 nF
VR: 6300 … 12500 V DC (MKT)CR: 0.68 … 10 nF
VR: 10000 V DC (MKP)CR: 2.2 … 22 nF
B32526 … B32529
B32559
B32537
General purpose: e.g. blocking,coupling, decoupling, bypassing
High-reliable DC-link / bus capacitorsfor low voltage power supplies andconverters (B32526 … B32529)
Lead spacing 5 mm also available inMiniBlue (with shrinkable tube)
Heavy duty MKT capacitors forgeneral purpose applications
Encapsulated in metal tube withepoxy resin sealing
Suitable for harsh enviromentalconditions
Long useful life
VR: 63 … 630 V DCVRMS: 40 … 400 V ACCR: 1 nF … 220 μF
VR: 50 … 630 V DCCR: 33 nF … 100 μF
VR: 450 … 1050 V DCCR: 0.47 … 60 μF
VR: 450 … 1300 V DCCR: 1.5 … 110 μF
EPCOS Components forMedical Appliances
© EPCOS AG 2008 11Please read Important notes on page 17.
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Characteristics
Series Technical data Features Ordering code / Type
Film capacitors
MKP capacitors for snubbering, resonance, PFC andfiltering
MFP capacitors
B32632 … B32634
B32686
Heavy-duty capacitors for snubberingand resonance applications
Very good ripple current for allfrequency ranges
Very good pulse withstand capability
2-pin, 4-pin and strap terminals forB32686
Long useful life
VR: 630 … 3000 V DCCR: 22 nF … 0.68 μF
(max. 4500 V/μs)
VRMS: 330 … 800 V ACCR: 0.47 nF … 0.33 μF
(max. 18000 V/μs)
B32651 … B32656
B32672Z …B32673Z
General purpose: e.g. blocking,coupling, decoupling, bypassing
Small sized snubber and resonanceapplications (B32651 … B32656)
Power factor correction (B32672Z … B32673Z)
High ripple current for all frequencyranges
High pulse withstand capability
Long useful life
VR: 250 … 2000 V DCCR: 1 nF … 4.7 μF
VR: 450 … 520 V DCCR: 47 nF … 2.2 μF
Characteristics
Series Technical data Features Ordering code / Type
Inductors
Ring corechokes,double
B8272 ...
B82791H2 ...
B82791G2 …
High resonance frequency owing tospecial winding technique
Approx. 1% stray inductance forsymmetrical interference suppression
Plastic case with terminals
Higher current chokes on baseplate,winding wire serves as solderterminal
LR: 0.19 … 100 mHIR: 0.25 … 62 A
Please read Important notes on page 17.12 © EPCOS AG 2008
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Characteristics
Series Ceramic Size Technical data Features Ordering code / Type
Multilayer ceramic capacitors, Multilayer serial capacitors (MLSC)
MLSC X7R 0603, 0805 B37***X ...
Arrays COG 0405, 0508, 0612 B37***R ... X7R
Rugged ESD X7R 0603, 0805 B379**E****K …capacitors
Feedthrough X7R 0805,1206 (single), B37***U …capacitors 0612 (array), and EMI filters 1806
High reliability for allapplications
Space-saving EMIprotection
Interference suppres-sion for input circuits
Blocking, couplingand decoupling
Motors and power linefiltering
Sensor line filtering
VR: 50, 100 V DCCR: 1 … 100 nF
Temperature range: –55 … +125 °C
VR: 16, 25, 50 V DCCR: 2 x 10 pF …
2 x 33 nF
CR: 4 x 10 pF … 4 x 22 nF
Temperature range:–55 … +125 °C
VR: 50, 100 V DCCR: 1, 10 nF
VR: 50, 100 V DCCR: 2.2 nF,
220 nF (single), 2 x 220 nF (array),4 x 10 nF (array)
Temperature range:–55 … +125 °C
Characteristics
Series Technical data Features Ordering code / Type
Inductors
Ring core chokes, triple/quad
I core chokes
B8274 ...
B8276 ...
High power handling
Available in plastic or aluminum case(fully potted) or on baseplate
LR: 0.12 … 6 mHIR: 6 … 200 A
B82502 … B82523Low power dissipation
Broadband interference surpression
Core: laminated iron-silicon
Compact design
LR: 0.015 … 82 mHIR: 0.2 … 82 A
Please read Important notes on page 17.
EPCOS Components forMedical Appliances
© EPCOS AG 2008 13
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Characteristics
Series Technical data Features Ordering code / Type
NTC thermistors
V2
V3
V4
S86
S87
S88
S962
G540
G550
G560
G541
G551
G561
G3542
G3552
G3562
Skin sensorsB1010
Foil sensors
B572**V …
B573**V …
B574**V …
Temperature range: –55 … +125 °C(+150 °C uponrequest)
Rated resistance at 25 °C: 100 Ω … 470 kΩResistance tolerance: +3, +5%;
+1% upon request
Case sizes: 0402 (V2), 0603 (V3), 0805 (V4)
Multilayer SMD NTC with inner electrodes inAgNiSn termination
High long-term aging stability in high-temperatureenvironments
Very good resistance stability during soldering
B5786*S …
B5787*S …
B5788*S …
B57962S …
B57540G …
B57550G …
B57560G …
Temperature range: –55 … +155 °C
Rated resistance at 25 °C: 2 … 100 kΩResistance tolerance: +1 … +5%
Temperature range: –55 … +300 °C(G540: +250 °C)
Rated resistance at 25 °C: 2 … 1400 kΩResistance tolerance: +1… +5%
Head diameter: 0.8 mm (G540)
Taped versions for automaticprocessing
UL approval (S86)
Lead spacing 2.5 and 5.0 mm (S87, S88)
Non-standard leadconfigurations
High-temperature resistant
Very small head diameter
Non-standard wireconfigurations
B57541G …
B57551G …
B57561G …
Temperature range: –55 … +260 °C(G541: +250 °C)
Rated resistance at 25 °C: 10 and 30 kΩResistance tolerance: +1 … +5%
Insulation resistance: >100 MΩInsulation voltage: 500 V DC (1s)
High-temperature resistant
Insulated wires with highinsulation voltage
Non-standard wireconfigurations
B57542G3 …
B57552G3 …
B57562G3 …
Temperature range: –40 … +150 °C
Rated resistance at 25 °C: 10 and 22.52 kΩTemperature tolerance: +0.1 K between
+25 and +45 °C
Insulation resistance: >100 MΩInsulation voltage: 500 V DC (1s)
Very high accuracy in therange of the bodytemperature
Insulated wires with highinsulation voltage
Non-standard wireconfigurations
Upon requestTemperature range: –40 … +75 °C
Temperature tolerance: ±0.1 K between+37 and +39 °C
Standard specification forelectronic thermometer forintermittent determination ofpatient temperature
Flexible polypropylene foil
Bendable
Geometries and resistancevalues upon request
Very good long-term agingstability
Very high accuracy in therange of body temperature
B57010B …Temperature range: 0 … +80 °C
Rated resistance at 39 °C: 5546 ΩTemperature tolerance: +0.2 K between
+25 and +45 °C
Insulation resistance: >100 MΩ
NTC element in stainlesssteel housing with diameter10 mm
Double insulated connectingcable
Different cable lengthsavailable
Encapsulated by injectionmoulding
Please read Important notes on page 17.14 © EPCOS AG 2008
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EPCOS Components forMedical Appliances
Characteristics
Series Technical data Features Ordering code / Type
NTC thermistors
K276
Z276
Z278
Inrush currentlimiters
S153
S235
S236
S237
S238
S364
S464
Pressure sensors
Anesthesia/respiration pressure sensors
CAU pressure transmittersoutput voltage
B57276K …
B57276Z …
Temperature range: –10 … +100 °C
Typical R25 value: 4.8, 12 kΩResistance tolerance: ≥2%
Insulation voltage: 3750 V AC
Thermal time constant τa water approx. 20 s
Temperature range: –10 … +100 °C
Typical R25 value: 4.8 kΩResistance tolerance: ≥2%
Insulation voltage: 3750 V AC
Thermal time constant τa water approx. 10 s
B57278Z …Temperature range: –10 … +100 °C
Typical R25 value: 20 kΩResistance tolerance: ≥2%
Insulation voltage: 500 V DC
Thermal time constant τa water approx. 4 s
NTC thermistor potted in acompact stainless steel case
Suitable for purifier
Suitable for use in corrosiveenvironments
Cost-optimized ready to usesolution
UL approval (E69802)
RAST 2.5 and 5-plugterminals available
VDE protection class II(K276)
Variety of R/T characteristicsand tolerances available
B58621N2111A076Pressure range: 0 … 100 mbar
Supply voltage: 4.75 … 5.50 V
Output voltage: 0.5 … 4.5 V
Pressure interface: Tube fitting, diameter 4.8 and14 mm long
Electrical connector: Header
PCB area: 30 x 30 mm
Height: approx. 34 mm
Other pressure rangesupon request
Media: O2, CO2, N2, N2O, He 0 … 100 vol. %
Halothan, Sevofluran,Enfluran, Isofluran 0 … 10 vol. %
Desfluran 0 … 20 vol. %
Humidity 0 … 95%
B58621H5810A023
B58621H5810A024
B58621H5810A025
B58621H5810A026
B58621H5810A027
B58621H5810A028
B58621H5810A029
B58621H5810A030
Pressure range: 0 … 0.1 up to 0 … 25.0 bar
Supply voltage: 7.5 … 30.0 V
Output voltage: 0.5 … 4.5 V
Pressure interface: Thread G 1/8", 6.5 mm long
Electrical connector: M12
Total length without cable: approx. 66 mm
Cable length: 2 m
Case diameter: 22 mm
Other pressure ranges uponrequest
Media: Non-aggressive fluidsand gases
Stainless steel case
B57***S****M …Rated resistance at 25 °C: 1 … 80 ΩImax: up to 20 A
VRMS: 265 V
Limiting of inrush current
Taped versions for automaticprocessing
UL approval (E69802)available
High accuracy and easymounting
Lead spacing 5 and 7.5 mm
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EPCOS Components forMedical Appliances
Characteristics
Series Technical data Features Ordering code / Type
Pressure sensors
CAU pressure transmitters, output current
Surge arresters
EF
EC
Varistors
S05
S07
S10
S14
S20
Q14
Q20
ETFV14
ETFV20
B58621H5820A040
B58621H5820A041
B58621H5820A042
B58621H5820A043
B58621H5820A044
B58621H5820A045
B58621H5820A046
B58621H5820A047
Pressure range: 0 … 0.1 up to0 … 25.0 bar
Supply voltage: 10 … 30 V
Output current: 4 … 20 mA
Pressure interface: Thread G 1/8", 6.5 mm long
Electrical connector: M12
Total length without cable: approx. 66 mm
Cable length: 2 m
Case diameter: 22 mm
Other pressure ranges uponrequest
Media: Non-aggressive fluidsand gases
Stainless steel case
B88069X2641 …
B88069X5080 ...
B88069X6451 ...
DC breakdown voltage: 470, 800, 1000 V
Nominal impulse discharge current: 5 kA
High insulation resistance
Fast response time
Follow current
B88069X0720S102DC breakdown voltage: 90 V
Nominal impulse discharge current: 5 kA
High insulation resistance
B72205S ...
B72207S ...
B72210S ...
B72214S ...
B72220S …
Imax 8/20 μs: up to 800 A
Imax 8/20 μs: up to 1750 A
Imax 8/20 μs: up to 3.5 kA
Imax 8/20 μs: up to 6 kA
Imax 8/20 μs: up to 12 kA
Operating voltage VRMS: 11 ... 1100 V
High surge current ratings up to 12 kA
High energy ratings (2 ms) up to 410 J
B72214Q ...
B72220Q …
Imax 8/20 μs: 8 kA
Imax 8/20 μs: 15 kA
Operating voltage VRMS: 11 ... 1100 V
Maximum load capacity atminimum component size
Height miniaturization
B72214T ...
B72220T …
Imax 8/20 μs: 6 kA
Imax 8/20 μs: 10 kA
Operating voltage VRMS: 130 … 420 V
Disk varistor and fuse in onehousing
Space saving
Monitoring option with 3rdlead
UL approval (1449)
Please read Important notes on page 17.© EPCOS AG 2008 15
16 © EPCOS AG 2008
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EPCOS Components forMedical Appliances
Accredited EMC laboratory
The EPCOS EMC Laboratory in Regensburg offerscomprehensive, in-depth EMC services: from con-sulting and pre-compliance investigations on proto-types to conformity testing of series-productionequipment.
The excellently equipped laboratory, combined withmany years’ experience and EMC expertise, as wellas active participation in national and internationalstandardization bodies, provides a solid foundationfor meeting customers’ requirements. Investigationsperformed side by side with the development processdetermine the measures required to observe the EMClimits: these measures are documented in the
measurement report in a manner that is transparentfor the developers.
A test report provides proof of compliance with the relevant standards and is the basis for the customer’s declaration of conformity.
The EMC laboratory in Regensburg has been anaccredited test laboratory since October 1994.Accreditation in accordance with the guidelines of the German Accreditation Council (DAR) now meets the current EN ISO IEC 17025 quality standard for laboratories as the basis for the guaranteed indepen-dence, impartiality and integrity of its measurementand test results.
InstallationsThe EMC laboratory has a semi-anechoic chamber forfield-strength measurements in accordance with therelevant standards at a measurement distance of10 m between the antenna and the equipment undertest. Special facilities such as large entrances,exhaust gas extraction, power supplies up to 100 A as well as resistive and inductive (motor) loadseven permit the testing of bulky or high-poweredequipment.
Please read Important notes on page 17.
© EPCOS AG 2008 17
Important Notes
The following applies to all products named in thispublication:
1. Some parts of this publication contain statementsabout the suitability of our products for certainareas of application. These statements are based onour knowledge of typical requirements that are oftenplaced on our products in the areas of application con-cerned. We nevertheless expressly point out that suchstatements cannot be regarded as binding state-ments about the suitability of our products for aparticular customer application. As a rule, EPCOS iseither unfamiliar with individual customer applicationsor less familiar with them than the customers them-selves. For these reasons, it is always ultimately in-cumbent on the customer to check and decidewhether an EPCOS product with the properties de-scribed in the product specification is suitable for usein a particular customer application.
2. We also point out that in individual cases, a mal-function of electronic components or failurebefore the end of their usual service life cannot becompletely ruled out in the current state of the art, even if they are operated as specified. Incustomer applications requiring a very high level ofoperational safety and especially in customer applica-tions in which the malfunction or failure of an electroniccomponent could endanger human life or health (e.g.in accident prevention or life-saving systems), it musttherefore be ensured by means of suitable design of the customer application or other action taken by thecustomer (e.g. installation of protective circuitry orredundancy) that no injury or damage is sustained bythird parties in the event of malfunction or failure of anelectronic component.
3. The warnings, cautions and product-specific notesmust be observed.
4. In order to satisfy certain technical requirements, someof the products described in this publication maycontain substances subject to restrictions in cer-tain jurisdictions (e.g. because they are classed as hazardous). Useful information on this will be found in our Material Data Sheets on the Internet(www.epcos.com/material). Should you have any moredetailed questions, please contact our sales offices.
5. We constantly strive to improve our products. Conse-quently, the products described in this publicationmay change from time to time. The same is true ofthe corresponding product specifications. Pleasecheck therefore to what extent product descriptionsand specifications contained in this publication are stillapplicable before or when you place an order.
We also reserve the right to discontinue productionand delivery of products. Consequently, we cannotguarantee that all products named in this publicationwill always be available.
The aforementioned does not apply in the case of individual agreements deviating from the foregoing forcustomer-specific products.
6. Unless otherwise agreed in individual contracts, allorders are subject to the current version of the“General Terms of Delivery for Products andServices in the Electrical Industry” published bythe German Electrical and Electronics IndustryAssociation (ZVEI).
7. The trade names EPCOS, BAOKE, Alu-X, CeraDiode, CSSP, CTVS, DSSP, MiniBlue, MKK, MLSC,MotorCap, PCC, PhaseCap, PhaseMod, SIFERRIT,SIFI, SIKOREL, SilverCap, SIMDAD, SIMID, SineFormer,SIOV, SIP5D, SIP5K, ThermoFuse, WindCap are trademarks registered or pending in Europe and in other countries. Further information will be foundon the Internet at www.epcos.com/trademarks.
Gen
eral
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The addresses of our worldwide distributors and regional sales offices are available at www.epcos.com/sales
© EPCOS AG 2008, Corporate Center, P.O.Box 80 17 09, 81617 Munich, Germany, T +49 89 636 09, F +49 89 636 226 89Reproduction, publication and dissemination of this publication and the information contained therein without EPCOS' prior express consent is prohibited.
18 © EPCOS AG 2008
© E P C O S A G 2 0 0 8 · C o r p o r a t e C e n t e r · E d i t i o n 0 9 / 2 0 0 8O r d e r i n g N o . E P C : 6 5 0 4 2 - 7 6 0 0 · P r i n t e d i n G e r m a n y · A G 0 9 0 8 2 .