Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

W Series Wirewound Power Resistor

Typical Part Marking

DIMENSIONS:

MM

(INCHES)

Product Dimensions

WL

D

T (DIA.)

W

Model

Dimensions

L*

D

W

T

W1M

9.5 ± 1.0

(.374 ± .004)

4.0 ± 1.0

(.157 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.60 ± 0.05

(.024 ± .002)

W2M

11.5 ± 1.0

(.453 ± .004)

4.5 ± 1.0

(.177 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.65 ± 0.05

(.026 ± .002)

W3M

15.5 ± 1.0

(.610 ± .004)

5.5 ± 1.0

(.217 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.70 ± 0.05

(.028 ± .002)

W5M

17.5 ± 1.0

(.689 ± .004)

6.5 ± 1.0

(.256 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.75 ± 0.05

(.030 ± .002)

W7M

24.5 ± 1.0

(.965 ± .004)

8.5 ± 1.0

(.335 ± .004)

38.0 ± 3.0

(1.496 ± .118)

0.75 ± 0.05

(.030 ± .002)

W9M

39.5 ± 1.0

(1.555 ± .004)

8.5 ± 1.0

(.335 ± .004)

38.0 ± 3.0

(1.496 ± .118)

0.75 ± 0.05

(.030 ± .002)

W10M

52.5 ± 1.0

(2.067 ± .004)

8.5 ± 1.0

(.335 ± .004)

38.0 ± 3.0

(1.496 ± .118)

0.75 ± 0.05

(.030 ± .002)

1st Significant

Figure

2nd Significant

Figure

Multiplier

Tolerance

Power Derating Curve

0

-55

0

50 70 100

150

200

250 275 300

20

40

Ambient Temperature (°C)

60

80

120

100

Resistors shall be marked with color

coding. Colors shall be in accordance with

JIS C 0802.

* Larger body size available upon request.

Color

1st

Band

2nd

Band

Multi-

plier

Tol.

Black

00

1

Ω

Brown

1

1

10

Ω

±1 %

Red

2

2

100

Ω

±2 %

Orange

33

1K

Ω

Yellow

4

4

10K

Ω

Green

5

5

100K

Ω ±0.5 %

Blue

66

1M

Ω

±0.25 %

Violet

7

7

10M

Ω ±0.10 %

Grey

8

8

±0.05 %

White

99

Gold

0.1

Ω

±5 %

Silver

0.01

Ω

±10 %