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Aug. 31, 2023 V.1

Fiberglass Cement Resistors

3

7

Product Specification

PSM

Through Hole Resistors

DIMENSIONS

Unit: mm

Normal

Miniature L

W

H

ψd

PSM400

-

20±1.0

7.0±0.5

8.0±0.4

0.8±0.02

PSM500

-

25±1.0

7.0±0.5

8.0±0.4

0.8±0.02

-

PSM7WS

25±1.0

9.0±0.4

10.0±0.4

0.8±0.02

PSM700

-

38±1.0

7.0±0.5

8.0±0.4

0.8±0.02

PSM900

-

38±1.0

9.0±0.4

10.0±0.4

0.8±0.02

PSM11A

-

50±1.0

9.0±0.4

10.0±0.4

0.8±0.02

PSM17A

-

75±1.0

9.0±0.4

10.0±0.4

0.8±0.02

DERATING CURVE

ELECTRICAL CHARACTERISTICS

CHARACTERISTICS

PSM400

PSM500

PSM7WS

PSM700

PSM900

PSM11A

PSM17A

Power Rating at 70 °C

4W

5W

7W

7W

9W

11W

17W

Voltage Proof on Insulation

2000V

2000V

2000V

2000V

2000V

2000V

2000V

Maximum Working Voltage

√(P X R)

Resistance Range

0.1Ω ~

2.2KΩ

0.1Ω ~

2.2KΩ

0.1Ω ~

2.5KΩ

0.1Ω ~

3.9KΩ

0.1Ω ~

3.9KΩ

1Ω ~

10KΩ

1Ω ~

10KΩ

Operating Temp. Range

- 55°C to +275°C

Temperature Coefficient

see table I

Note: For resistance value out of above range is by request.

Rated Power (%)

100

80

60

40

20

70

275

Ambient Temperature (°C)