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SMN40000NH

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UNLESS OTHERWISE SPECIFIED

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ANGLES

± HOLE DIA. ±

SCALE ﹕

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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.

乾坤科技股份有限公司

乾坤科技股份有限公司

乾坤科技股份有限公司

乾坤科技股份有限公司

The Engineering Spec. For 1/2W 0612

Low Resistance Chip Resistor

4. Ratings

4-1 Specification

Power Ratings *

1/2 W

Resistance Value

1 ~10m

Ω

Resistance Tolerance

±1% 、±2% 、±5%

Temperature Coefficient of

Resistance

±150ppm/℃ (Reflow)

Note *：

Power ratings 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.：Power Temperature 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 +155℃

AMBIENT TEMPERATURE( )

℃

0

-55

100

70

155