WW/MWW/NWW Series
General Purpose and Precision Wirewound Resistor
How to Order
Stackpole Electronics, Inc.
Resistive Product Solutions
1
W
2
W
3
1
4
F
5
T
6
1
7
K
8
0
9
0
NWWS
Product Series
WW Standard
WWS Mini
MWW Molded
NWW Non-Inductive
Mini
Non-Inductive
Type/Code
WW12 / NWW12
WW1 / NWW1
WW1A / NWW1A
WW2 / NWW2
WWS2 / NWWS2
Power Rating
@ 125oC @ 70oC
0.4W 0.5 W
1W 1.1 W
1W 1.3 W
1.5W 2.1 W
2.5W 2.6 W
Tolerance
Code Tol
B 0.1%
D 0.5%
F 1%
J 5%
Code
Description
Packaging
Size
WW12 / NWW12
WW1 / NWW1
WWS2 / NWWS2
WW1A / NWW1A
MWW1 / NMWW1
Quantity
2,500
Resistance Value
Four characters
with the multiplier
used as the
decimal holder.
0.1 ohm = R100
WW2A / NWW2A
WW3 / NWW3
WWS3 / NWWS3
WW3A / NWW3A
WW4 / NWW4
2.5W
3W
3W
3W
4W
2.6 W
3.2 W
3.2 W
3.4 W
4.3 W
WW2 / NWW2
WWS3 / NWWS3
WW2A / NWW2A
WW3 / NWW3
WWS4 / NWWS4
2,000
2 Kohm = 2K00
WWS4 / NWWS4
WW5 / NWW5
WWS5 / NWWS5
WW7 / NWW7
WWS7 / NWWS7
WW7B / NWW7B
WW10 / NWW10
WWS10 / NWWS10
MWW1 / NMWW1
MWW3 / NMWW3
MWW5 / NMWW5
MWW10 / NMWW10
4W
5W
5W
6.5W
6.5W
7W
10W
10W
1W
3W
5W
10W
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
T
11" Tape
and Reel
MWW3 / NMWW3
WW3A / NWW3A
WW4 / NWW4
WWS5 / NWWS5
WW5 / NWW5
WWS7 / NWWS7
WW7 / NWW7
WW7B / NWW7B
WWS10 / NWWS10
MWW5 / NMWW5
WW10 / NWW10
MWW10 / NMWW10
500
250
Legacy Part Number (before January 3, 2011):
Nominal
SEI Type
WW
Code
1
Resistance
10K
Tolerance
1%
Packaging
R
Type
WW
WWS
MWW
NWW
NWWS
Description
Standard
Mini
Molded
Non-Inductive
Mini
Non-Inductive
Tolerance
0.1%
0.5%
1%
5%
Types
WW12, NWW12, WW1, NWW1, WWS2, NWWS2
WW1A, NWW1A, MWW1, NMWW1
WW2, NWW2, WWS3, NWWS3, WW2A, NWW2A
WW3, NWW3, WWS4, NWWS4, MWW3, NMWW3
WW3A, NWW3A, WW4, NWW4, WWS5, NWWS5
WW5, NWW5, WWS7, NWWS7, WW7, NWW7
WW7B, NWW7B, WWS10, NWWS10
Qty
2,500
2,000
500
Description
11" reel
tape
Code
R
MWW5, NMWW5
WW10, NWW10, MWW10, NMWW10
250
Rev Date: 08/20/2012
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
3
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