Low Resistance Chip Resistor

DOCUMENT

NO.

SRK540000NH

PAGE

REV.

A1

UNLESS OTHERWISE SPECIFIED

TOLERANCES ON ﹕

X

= ±

X.X

= ±

X.XX

= ±

ANGLES ±

HOLE DIA. ±

SCALE ﹕

X

UNIT ﹕ X

APPROVED

BY ﹕

DRAWN

BY ﹕connie 4/3/13

DESIGNED

BY ﹕

CHECKED

BY ﹕

THIS DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF Delta Electronics, Inc.

AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE

MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION

台達電子工業股份有限公司

台達電子工業股份有限公司

台達電子工業股份有限公司

台達電子工業股份有限公司

Delta Electronics, Inc.

PAGE

2

OF

9

4. Ratings

4-1 Specification

Table 1

Power Rating*

1/2 W

Resistance Tolerance

1%(F), 2%(G), 5%(J)

Resistance Range

0.05

Ω ~ <0.1Ω

0.1

Ω ~ <10Ω

Temperature Coefficient of

Resistance(ppm/

℃

)

0 ~ +250

0 ~ +200

Note*:

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

℃

.

For resistor operated at ambient temperature in excess of 70

℃

,the maximum load

shall be derated in accordance with the following curve.

4-2 Rated Voltage

The d.c. or a.c. r.m.s. voltage shall be calculated from the following expression

R

P

V

×

=

Where V

: Rated voltage (V)

P

: Rated power (W)

R

: Nominal resistance (

Ω)

4-3 Operating and Storage Temperature Range

-55 to +125

℃

AMBIENT TEMPERATURE(

)

℃

0

-55

70

125

100