Rev Date: 08/07/2014

3

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WW/MWW/NWW Series

General Purpose and Precision Wirewound Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

1

2

3

4

5

6

7

8

9

W

W

1

F

T

1

K

0

0

0

300

350

400

Ambient Temperature (ºC)

350ºC

-60

0

50

100

150

200

250

100

-55ºC

80

60

40

20

100ºC

WW

Quantity

WWS

0.5 W

MWW

1.1 W

NWW

1.3 W

2.1 W

2.6 W

2.6 W

3.2 W

3.2 W

3.4 W

4.3 W

4.3 W

5.1 W

5.1 W

7.2 W

7.2 W

7.7 W

11.0 W

11.0 W

1.3 W

3.2 W

5.5 W

11.0 W

WW3 / NWW3

WWS3 / NWWS3

WW5 / NWW5

WWS5 / NWWS5

WW7B / NWW7B

6.5W

2.5W

6.5W

7W

2.5W

4W

4W

5W

5W

3W

MWW5 / NMWW5

WW7 / NWW7

WWS7 / NWWS7

MWW10 / NMWW10

WW10 / NWW10

WWS10 / NWWS10

MWW1 / NMWW1

MWW3 / NMWW3

WWS4 / NWWS4

Mini

Non-Inductive

Non-Inductive

NWWS

WW3A / NWW3A

WW4 / NWW4

10 Kohm = 10K0

Four characters

with the multiplier

used as the

decimal holder.

0.5%

1%

Tol

0.1%

T

2,500

WW12 / NWW12

WW12 / NWW12

WW1 / NWW1

WW2 / NWW2

WWS2 / NWWS2

WW1A / NWW1A

0.5 ohm = R500

J

Type/Code

Standard

5%

MWW10 / NMWW10

WW10 / NWW10

WW2 / NWW2

WWS3 / NWWS3

WW2A / NWW2A

WW3 / NWW3

WWS7 / NWWS7

WW7 / NWW7

WWS10 / NWWS10

11" Tape

and Reel

MWW3 / NMWW3

WW1 / NWW1

WWS2 / NWWS2

WW1A / NWW1A

MWW1 / NMWW1

500

250

WW7B / NWW7B

MWW5 / NMWW5

Product Series

Description

Size

Resistance Value

Tolerance

Code

Packaging

Mini

Molded

10W

1W

3W

5W

10W

WWS4 / NWWS4

WW2A / NWW2A

10W

WW3A / NWW3A

WW4 / NWW4

WWS5 / NWWS5

WW5 / NWW5

1 ohm = 1R00

Power Rating

@ 70ºC

2,000

3W

3W

@ 125ºC

0.4W

1W

1W

1.5W

Code

B

D

F

Power Derating Curve:

How to Order