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WTC CR Product Line UpWTC CR Product Line Up

■ ■ Ultra MiniaturizedUltra Miniaturized Chip Resistor 01005 : WR seriesChip Resistor 01005 : WR series

■ ■ Ultra MiniaturizedUltra Miniaturized Chip Resistor Array 0201 x 2 : WA Chip Resistor Array 0201 x 2 : WA seriesseries

■ ■ Surge Chip Resistors : WK seriesSurge Chip Resistors : WK series

■ ■ Thin Film High Precision Chip Resistors : WF seriesThin Film High Precision Chip Resistors : WF series

■ ■ Metal Low Ohm Current Sensing Chip Resistors : WW Metal Low Ohm Current Sensing Chip Resistors : WW seriesseries

■ ■ Total Lead Free Chip Resistors : WR series Total Lead Free Chip Resistors : WR series

■■ Automotive & Anti-Sulfuration Chip Resistors : WR / MR Automotive & Anti-Sulfuration Chip Resistors : WR / MR / SR series/ SR series

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CR 01005CR 01005 (WR series) (WR series)

010050201

0402

0603

01005010050201

0402

0603

Miniaturization, Space Saving. Low Cost Performance with Unique Laser Scribing. Highly accurate Dimensions 4σ<<20μm. The press pocket taping method. Resin Paper Taping creates Sharp Style Pocket. Wider Resistance Range RoHS Directive Compliance. L/F, H/F, A/F

Features:

Type 　 RatedPower

LimitingElementVoltage

Rated Resistance Range/Tol/T.C.R

WR01X 1/32W15V

4.7Ω to 9.1ΩF(±1%)

J(±5%)

-600 to +200*10-6/℃

10Ω to 91Ω ±300*10-6/℃

100Ωto 1MΩ ±200*10-6/℃

(1A) JP - -

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Specifications:

0402 or Bigger SizeCardboard & Bottom Taping

(Paper or Polyethylene)

0201 or Smaller SizePress Pocket Taping

§ Resined Paper TapesPaper Tapes Content with ResinSharpen Square Pocket

Less ESD and Better Pick Up

Less Paper Less Paper DustDust

Characteristics:

Applications:Modules (VCO,TCXO,PA Modules, Camera Modules), Small mobile devices.

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FEATURES• 0.8 x 0.6 x 0.35 mm3 – 0201x2 convex type array• 0.5 mm termination pitch• Convex type termination • Unique surface treatment technology to have a excellent soldering wettability

APPLICATIONS• Miniature memory card• DSC, Computer application, Smart phone• Telecom, RAM-module

ELECTRICAL CHARACTERISTICS

Item General Specification

Series No. WA02Y

Size 0201x2 (0603x2)

Termination construction Convex type

Resistance Tolerance 5%, 1% ( E24 series )

Resistance Range 10 ~ 1M, Jumper (<50m)

TCR (ppm/C) 300 ppm/C

Max. dissipation at Tamb=70C

1/32 W

Max. Operation Voltage 12.5V

Max. overload voltage 25V

Climatic category (IEC 60068)

55/155/56

PHYSICAL DIMENSIONS

Dimension (UNIT : mm)

L 0.80 0.10

W 0.60 0.10

T 0.35 0.10

P ( 0.50 0.10 )

A 0.35 0.10

Tb 0.15 0.10

Ta 0.15 0.10

CR 0201x2 ArrayCR 0201x2 Array (WA series) (WA series)

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CR Anti-surge Resistor CR Anti-surge Resistor (WK-S series)(WK-S series)

ApplicationsApplications

‧Photo disc driver / Printer ‧Automotive industry ‧Power supply‧Medical or Military equipment ‧Measurement instrument

FeaturesFeatures. High Anti-Surge capability. High Anti-Surge capability. Resistance Range: 0.27 ohm ~ 22 Mohm. Resistance Range: 0.27 ohm ~ 22 Mohm. Chip Size: 0805,1206, 1210, 2010,2512. Chip Size: 0805,1206, 1210, 2010,2512. Tolerance: ±5%, ±10%, ±20%. Tolerance: ±5%, ±10%, ±20%

Surge resistor is designed in high surge

applications such as fuel ignition system, power

charging/discharging circuits, TV sets, etc, to

absorb harmful surge power, so to prevent

hazard of fire and circuit damage caused by

surge power with a flame-proof coating.

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CR Thin film high precision CR Thin film high precision (WF-T, WF-U, WF-Q, WF-R series)(WF-T, WF-U, WF-Q, WF-R series)

0805, 100Ω

-1.5

-1

-0.5

0

0.5

1

1.5

-60 -40 -20 0 20 40 60 80 100 120 140

Temperature (°C)

D R/R

(%)

100ppm/°C

25ppm/°C

Thick film

Thin film

Features:Low TCR 10ppm, 15ppm, 25ppm, 50ppmHigh precision 0.05%, 0.1%, 0.5%High stability in life reliability test 0.5%, 0.25%Excellent HF performanceLow current noise

Typical application fields:1. M/B2. Power supply (DC-DC converter )3. Testing & measuring instruments4. Audio/Video5. Telecommunications6. Server P/S

Specification:

TCR(ppm/

℃)

Size(inch/mm)

PowerRating

TypeToleranc

eResistance

(Ω)

±50ppm

0402 (1005)

1/16W WF04T

±0.05%±0.10%±0.25%±0.50%±1.00%

10 ~ 100K

0603 (1608)

1/16W WF06T10 ~ 330K

1/10W WF06Q

0805 (2012)

1/10W WF08T

10 ~ 1M1/8W WF08Q

1206 (3216)

1/8W WF12T

1/4W WF12Q

±25ppm

0402 (1005)

1/16W WF04U 10 ~ 100K

0603 (1608)

1/16W WF06U10 ~ 330K

1/10W WF06R

0805 (2012)

1/10W WF08U

10 ~ 1M1/8W WF08R

1206 (3216)

1/8W WF12U

1/4W WF12R

±15ppm

0402 (1005)

1/16W WF04F 100 ~ 20K

0603 (1608)

1/10W WF06F 100 ~ 100K

0805 (2012)

1/8W WF08F 100 ~ 200K

1206 (3216)

1/8W WF12F 100 ~ 200K

±10ppm

0402 (1005)

1/16W WF04W 100 ~ 10K

0603 (1608)

1/10W WF06W 100 ~ 50K

0805 (2012)

1/8W WF08W 100 ~ 100K

1206 (3216)

1/8W WF12W 100 ~ 100K

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CR Metal Low OhmCR Metal Low Ohm (WW_Q/R/M/N series) (WW_Q/R/M/N series)

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Size 2512 2010 1206

Series WW25M WW25N WW20M WW20N WW12M WW12N

Rated Power

1W 2W 1/2W 1W 1/2W 1W

Resistance Range

1~10, 12, 15, 20, 25, 30, 40,

50mΩ

1~10, 12, 15, 20, 25mΩ

5, 10, 15, 20mΩ

5, 10, 15, 20mΩ

5, 10, 15, 20, 25mΩ

5, 10, 15, 20, 25mΩ

Tolerance ±5%, ±1%

TCR

1mΩ - ±200ppm2 ~ 4mΩ - ±100ppm

> 4mΩ - ± 75ppm

1 ~ 4mΩ - ±100ppm

> 4mΩ - ± 75ppm

± 75ppm ± 70ppm

Remark1~50mΩ range is capable depending on min. demand

300Kpcs

1~25mΩ range is capable depending on min. demand 300Kpcs

Size 2512 1206 0603

Series WW25Q WW25R WW12R WW06R

Rated Power 1W 2W 1W 1/3W

Resistance Range 5, 6, 7, 10, 15mΩ 1, 2, 3, 4, 5, 6, 7mΩ 5, 10, 15mΩ 5, 10, 15mΩ

Tolerance ±5%, ± 1%

TCR ±100ppm 1mΩ - ±150ppm> 1mΩ - ±100ppm ±100ppm ±100ppm

Remark Mass production Sample Available

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UMATNi/Cr alloyNi/Cr alloySide Electrode (C2)8

CHUNG YUEpoxy resinsEpoxy resinsMarking (MK)7

<100ppm(R code)

>100ppm

Solder Plating

Ni Plating

Protective coating (G2)

Primary coating(G1)

Resistive film (R)

Top Inner electrode (C1)

Bottom Inner electrode(C3)

Ceramic Substrate

NAMICSAgAg2

SUMITOMOAgAg3

SUMITOMORuO2 (Lead free)

RuO2 +glass(Pb contented )

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OKUNOEpoxy resinsEpoxy resins5

Jin Shi Wei

Rui Sheng

NAMICS

MARUWA

Supplier

Sn(Lead free)

Nickel

Epoxy resins

Alumina substrate

Sn(Lead free)

10

Nickel9

Epoxy resins6

Alumina substrate

1

Composition

Layers

UMATNi/Cr alloyNi/Cr alloySide Electrode (C2)8

CHUNG YUEpoxy resinsEpoxy resinsMarking (MK)7

<100ppm(R code)

>100ppm

Solder Plating

Ni Plating

Protective coating (G2)

Primary coating(G1)

Resistive film (R)

Top Inner electrode (C1)

Bottom Inner electrode(C3)

Ceramic Substrate

NAMICSAgAg2

SUMITOMOAgAg3

SUMITOMORuO2 (Lead free)

RuO2 +glass(Pb contented )

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OKUNOEpoxy resinsEpoxy resins5

Jin Shi Wei

Rui Sheng

NAMICS

MARUWA

Supplier

Sn(Lead free)

Nickel

Epoxy resins

Alumina substrate

Sn(Lead free)

10

Nickel9

Epoxy resins6

Alumina substrate

1

Composition

Layers

CR Total Lead FreeCR Total Lead Free ( Pb < 100ppm) ( Pb < 100ppm)

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CR AutomotiveCR Automotive (WR, MR, SR series) (WR, MR, SR series)FEATURESFEATURES• Suitable for all kinds of Automotive

application• Anti-sulfur satisfaction per different

requirements• High reliable stability 1% • RoHS compliant

SPECIFICATIONSSPECIFICATIONS

EntertainmentEntertainment

Multimedia radio

Digital & Satellite TV

DVD player

Internet

Navigation & InformationNavigation & Information

GPS

LED displays

Car navigation system

ETC

ComfortComfort

Climate control

Remote control entry

Power window

Electric power mirror

Power seat

LightingLighting

HID

High brightness LED

White power LED

SafetySafety

ABS

Air bags

Distance RADAR

Safe driving support

Tire Pressure Monitoring

System (TPMS)

Power TrainPower Train

Engine control

Transmission control

Driving control

Non Safety Concern

Safety Concern

APPLICATIONSAPPLICATIONS

BENCHMARKINGSBENCHMARKINGS

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TypeApplication

concernChip Size Tol. Range PPAP

AEC Q-200

Stability1000hrs

FOS Sulfuration test

WR-J Non Safety0402/0603/08051206/2010/2512

±1% ±5%

1-10M Ready Ready ±2%

H2S 10ppm

40degC / 90%RH /

240hrs

WA-JNon Safety 0402X4

0603X4±1% ±5%

10-1M Ready Ready ±2%

H2S 10ppm

40degC / 90%RH /

240hrs

WR-V Non Safety0603/0805/1206

1210/2512±1% ±5%

1-10M Ready Ready ±2%

ASTM B-809

60degC / 90%RH /

480hrs

MR Safety0402/0603/08051206/2010/2512

±1% ±5%

1-10M Ready Ready ±1%

H2S 3ppm

40degC / 90%RH /

1000hrs

MA Safety0402X40603X4

±1% ±5%

10-1M Ready Ready ±1%

H2S 3ppm

40degC / 90%RH /

1000hrs

SR Safety0402/06030805/1206

±1% ±5%

1-10M Ready Ready ±1%

H2S 1000ppm

25degC / 90%RH /

720hrs

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