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WR20, WR25

( Automotive )_V02

Jan.2011

QUICK REFERENCE DATA

Item

General Specification

Series No.

WR20

WR25

Size code

2010 ( 5025 ),

2512(6432)

Resistance Tolerance

±5% (E24); ±1% (E24+E96)

Resistance Range

1

Ω ~ 10MΩ, Jumper (0Ω)

± 200 ppm/°C

± 200 ppm/°C

± 100 ppm/°C

± 100 ppm/°C

TCR (ppm/

°C)

R≦ 10

Ω

10

Ω < R ≦1MΩ

> 1M

Ω

± 200 ppm/°C

± 200 ppm/°C

°C

0.5 W

1W

Max. Operation Voltage (DC or RMS)

200V

250V

Max. Overload Voltage (DC or RMS)

400V

500V

Climatic category (IEC 60068)

55/155/56

Note :

1.

This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication

60115-8”

2.

Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by

Value

Resistance

Power

Rated

RCWV

×

=

or Max. RCWV listed above, whichever is lower.

3.

The resistance of Jumper is defined <0.05

Ω.

DIMENSIONS (unit : mm)

TYPE

WR20

WR25

L

5.00

±0.20

6.40

±0.20

W

2.50

±0.20

3.20

±0.20

T

0.55

±0.10

0.60

±0.10

Tt

0.65

±0.25

0.65

±0.25

Tb

0.60

±0.25

0.90

±0.25