Rev. B/JJ 20070810

RMF&RMFS Series

Metal Film Resistor - Normal & Miniature Style

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Absolute Maximum Ratings & Characteristics

Power derating curve

For resistors operate in the ambient temperature over 70˚C, loading power ratio will derate in accordance

with following curve.

Description

RMF

08C

RMF

S25C

RMF

25C

RMF

S50C

RMF

50C

RMF

S1W

RMF

1W

RMF

S2W

RMF

2W

Unit

Power Rating at 70° C

1/8

1/4

1/4

1/2

1/2

1

1

2

2

W

Maximum Working Voltage

200

200

250

300

350

400

500

500

500

V

Maximum Overload Voltage

400

400

500

600

700

800

1000

1000

1000

V

Dielectric Withstanding Voltage

300

400

500

500

500

700

1000

1000

1000

V

Temperature Coefficient

±15ppm/° C, ±25ppm/° C, ±50ppm/° C, ±100ppm/° C

ppm/° C

±0.5%, ±1%

10~1M

Resistance

Range

±0.1%, ±0.25%

100~100K

Ω

Operating Temperature Range

-55 to +155

° C

Ambient Temperature (°C)