SPECIFICATION FOR APPROVAL

DOCUMENT

: SR240000NH

REVISION

: A0

PAGE

: 2 OF 7

4. Ratings

4-1 Specification

Power Rating*

1/2 W

Resistance Range

0.010

Ω~0.020Ω

0.021

Ω ~ 1.0Ω

Resistance Tolerance

±1% , ±2% , ±5%

Temperature Coefficient of

Resistance

0~350ppm/℃

0~250ppm/℃

Note*:

Power Rating is based on continuous full load operation at rated ambient temperature of 70

.

For resistors operated at ambient temperature in excess of 70

, the maximum load shall be

derated in accordance with the following curve.

Figure 2

Derating Curve

4-2 Rated Voltage

The rated voltage shall be determined by the following expression.

R

P

V

×

=

Where V：Rated voltage (V)

R：Nominal resistance value (

Ω)

P：Rated dissipation (W)

4-3 Operating and Storage Temperature Range

-55 to +125

-55

0

70

125

℃

100

50

%

Percentage of the

rated dissipation

Ambient temperature