Rev Date: 10/22/2020

1

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SPR / SPRM Series

Discharge Path Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Features:

•

Excellent anti-surge characteristics

•

Stable characteristics through the resistance range

•

Applications include power supplies, CRT’s and

anti-surge circuits

•

Good alternative to carbon composition resistors

•

Cut and formed product is available on select sizes;

contact Stackpole for details

•

100% RoHS compliant and lead free without exemption

•

Halogen free

•

REACH compliant

Electrical Specifications

Mechanical Specifications

Performance Characteristics (JIS C 5201-1)

0.354 ± 0.039

0.118 ± 0.020

1.102 ± 0.079

0.028 ± 0.002

inches

9.00 ± 1.00

3.00 ± 0.50

28.00 ± 2.00

0.70 ± 0.05

mm

0.591 ± 0.039

0.197 ± 0.020

1.378 ± 0.118

0.031 ± 0.002

inches

15.00 ± 1.00

5.00 ± 0.50

35.00 ± 3.00

0.80 ± 0.05

mm

Lead Length (Bulk)

D

Lead Diameter

SPR1

Type / Code

Unit

SPRM12

A

Body Length

B

Body Diameter

C

Maximum

Maximum

Surge

Type / Code

Working

Overload

Withstanding

Voltage

Voltage (V)

Voltage (KV)

5%

SPRM12

0.5

2500

SPR1

1

5000

Power Rating (W)

@ 70ºC

Ohmic Range (Ω) and Tolerance

10

1M - 12M

E=√ P*R

Test

Test Results

Moisture Resistance

± 5%

Temperature Cycling

± 1%

Load Life

± 5%

Resistance to Soldering Heat

± 1%

Short Time Overload

± 2%

Discharge

± 10%

Operating Temperature Range: -55ºC to +155ºC