CFR-50 datasheet, PDF - EEWORLD Datasheet

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CFR-50: DescriptionNormal & Miniature Style CFR Series; File Size120KB，2 Pages; ManufacturerETC2

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CFR-50 Overview

Normal & Miniature Style CFR Series

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Through-hole resisTors

Carbon Film Resistors

General Type

Normal & Miniature Style [ CFR Series ]

FeATures

Power Rating

Resistance Tolerance

T.C.R.

1/6W, 1/4W, 1/2W, 1W, 2W, 3W

±2%, ±5%

see Table 1

DerATiNg CurVe

iNTroDuCTioN

The CFR Series Carbon Film Resistors are

manufactured by coating a homogeneous

film of pure carbon on high grade ceramic

rods. After a helical groove has been cut in

the resistive layer, tinned connecting leads of

electrolytic copper are welded to the end-caps.

The resistors are coated with layers of tan

color lacquer.

For resistors operated in ambient temperatures above 70°C, power rating must be derated

in accordance with the curve below.

Rated Load (%)

100

100 120 140 160

155 °C

Ambient Temperature (°C)

TABle 1 TeMPerATure CoeFFiCieNT

sTYle

TeMP. CoeFFiCieNT (ppm/°C)

under 100KΩ

CFR100, CFR200, CFR2WS, CFR3WS

CFR-12, CFR-25, CFR-50,

CFR25S, CFR50S, CFR1WS

-350~350

-350~500

100K

- 1MΩ

-500~0

-700~0

1MΩ - 10MΩ

-1,500~0

DiMeNsioNs

sTYle

Normal

ød

øD

CFR-12

CFR-25

CFR-50

CFR100

CFR200

Miniature

CFR25S

CFR50S

CFR1WS

CFR2WS

CFR3WS

DiMeNsioN

3.4±0.3

6.3±0.5

9.0±0.5

11.5±1.0

15.5±1.0

øD

1.9±0.2

2.4±0.2

3.3±0.3

4.5±0.5

5.0±0.5

28±2.0

26±2.0

35±2.0

33±2.0

Unit: mm

ød

0.45±0.05

0.55±0.05

0.8±0.05

CFR-50 Related Products

	CFR-50	CFR-25	CFR-25JT-52	CFR100	CFR1WS	CFR200	CFR25S	CFR2WS	CFR3WS	CFR50S
Description	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series	Normal & Miniature Style CFR Series

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