Rev Date: 5/24/2021

1

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WWP Series

Pulse Withstanding Wirewound Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Features:

•

Special materials and processing to maximize surge handling

•

High performance for low cost

•

High power to size ratio

•

Complete welded terminations

•

Tinned copper leads

•

High temperature silicone coating

•

NWWP non-inductive pulse withstanding wirewound available

•

Meets UL94V-0

•

100% RoHS compliant and lead free without exemption

•

Halogen free

•

REACH compliant

Electrical Specifications

Mechanical Specifications

Performance Characteristics

Test

Test Specification

Moisture Resistance

1% max

Load Life

1%

Temperature Cycling

0.5%

Short Time Overload

1%

Operating temperature range is -55°C to +275°C

Dielectric

Ohmic Range (Ω) and Tolerance

Strength (V)

5% & 10%

WWP3

1000

3

0.1 - 10K

WWP5

1000

5

0.1 - 10K

WWP7

1000

7

0.1 - 10K

WWP10

1000

10

0.1 - 10K

Power Rating (W)

@ 70°C

Note: Contact Stackpole for non-inductive designs (NWWP)

TCR

(ppm/ºC)

Type/Code

Max Voltage Rating =

< 1 Ω = ±90 ppm/ºC

1 Ω to 10 Ω = ±50 ppmºC

> 10 Ω = ±20 ppm/ºC

√P*R

0.560 ± 0.062

0.187 ± 0.031

0.032 ± 0.002

1.500 Typical

inches

14.22 ± 1.57

4.75 ± 0.79

0.81 ± 0.05

38.10 Typical

mm

0.875 ± 0.062

0.312 ± 0.031

0.036 ± 0.002

1.500 Typical

inches

22.23 ± 1.57

7.92 ± 0.79

0.91 ± 0.05

38.10 Typical

mm

1.025 ± 0.062

0.312 ± 0.031

0.036 ± 0.002

1.500 Typical

inches

26.04 ± 1.57

7.92 ± 0.79

0.91 ± 0.05

38.10 Typical

mm

1.780 ± 0.062

0.375 ± 0.031

0.040 ± 0.002

1.500 Typical

inches

45.21 ± 1.57

9.53 ± 0.79

1.02 ± 0.05

38.10 Typical

mm

WWP10

D

(Bulk)

Units

A

B

C

Type/Code

WWP3

WWP5

WWP7