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Surface Mount Resistors

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to Select

CHM Series (Small)

Part Number

CRS

CRW

CHS

CMF

CHR

CHM

Technology

Thick Film Chip

Thick Film Chip
(High Power)

Thick Film Chip
(High Resistance)

Thin Film Chip
(High Precision)

Thick Film Chip
(For Conductive Glueing)

Thick Film Chip
(Precision High Resistance)

Power

0.035W to 0.25W

0.35W to 3W

0.05W to 1.5W

0.065W to 0.75W

0.05W to 0.25W

0.125W to 1.5W

Resistance

0.1Ω to 500M Ω

0.1Ω to 100M Ω

10M Ω to 1T Ω

5.1 Ω to 15M Ω

1Ω to 10M Ω

100K Ω to 10T Ω

Tolerance

to � 0.5%

to � 0.5%

to � 0.25%

to � 0.05%

to � 0.5%

to � 0.25%

TCR

to 50ppm/�C

to 50ppm/�C

to 25ppm/�C

to 5ppm/�C

to 50ppm/�C

to � 25ppm/�C

Working Voltage

50V to 400V

200V to 6kV

30V to 6kV

75V to 1kV

30V to 1.5kV

200V up to 6kV

 Chip Size

0504 to 1206

 1210 to 4020

 0402 to 4020

 0603 to 2512

0402 to 4020

 0805 to 4020

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MFM

Part Number

CBW

MLF

MFM

USS x-T220

FPS x--T220

NPS x-T220

Technology

Thick Film Chip

Metal Film MELF

Metal Film

Metal Foil

Manganin Foil

Thick Film

Power

0.05W to 0.25W

up to 0.4W

0.25W to 1.0W

up to 10W *

up to 15W *

up to 30W *

Resistance

1 Ω to 1T Ω

1 Ω to 5M Ω

0.1Ω to 22M Ω

0.5 Ω to 150K Ω

0.01 Ω to 50 Ω

0.02 Ω to 100K Ω

Tolerance

to � 5%

to � 0.05%

to � 0.05%

to � 0.01%

to � 0.1%

to � 1%

TCR

to 50ppm/�C

to 5ppm/�C

to � 50ppm/�C

to � 3ppm/�C

to 15ppm/�C

to � 50ppm/�C

Working Voltage

60V to 400V

 

 

 

 

 

Chip Size

 0402 to 1206

 MELF 0204 & 0207

MELF 0204 & 0207

 See Datasheet

 See Datasheet

 See Datasheet

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TFC2000

 

 

Part Number

S & SL

SSR

SF-2

TFC2000

 

 

Technology

Wirewound

Metal Foil

Metal Foil

Thick Film

 

 

Power

0.5W to 4W

0.25W to 0.60W

up to 1W

0.25W to 1.5W

 

 

Resistance

0.005 Ω to 50K Ω

5 Ω to 80K Ω

50 Ω to 3M Ω

10K Ω to 10G Ω

 

 

Tolerance

to � 0.005%

to � 0.01%

to � 0.05%

� 1%

 

 

TCR

to 20ppm/�C

to 3ppm/�C

to 5ppm/�C

to 100ppm/�C

 

 

Working Voltage

 

 

 

20kV

 

 

 

 

 

 

 

 

 

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to Select

Part Number

PRC

CR

CRX

CRF

LRC

Precision Network Divider

Technology

Thin Film

Thick Film

Thick Film

Thick Film

Metal Film

Thin Film

Power

0.05W to 0.5 W

0.0625W to 1W

0.0625W to 0.125W

0.1W to 1W

0.25W to 1W

50 mW to 500 mW

Resistance

Click for range values

E24 & E96 Values

43M Ω to 4.7G Ω

E24 Values

E6 Values

100 Ω to 1.6M  Ω

Tolerance

to � 0.05%

to � 1%

to � 10%

to � 1%

to �  1%

to � 0.1% (absolute)

TCR

to 25ppm/�C

to 50ppm/�C

to 500ppm/�C

to 100ppm/�C

to 75ppm/�C

to 25ppm/�C (absolute)

Chip Size

 0201 to 2010

 0402 to 2512

 0603 to 1206

 0603 to 2512

 0805 to 2512

 0805 to 2218

* Adequate Heatsink Required

Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, UK

Tel: +44 (0) 1342 717102, Fax: +44 (0) 1342 717014, Email: sales@willow.co.uk