Rev Date: 06/30/2021

2

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ASR / ASRM Series

Anti-Surge Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Performance Characteristics

Mechanical Specifications - ASRM

Test

Test Specification

Test Condition

All Other Sizes:

- 1800 ~ 0 ppm/ºC

Change of resistance

≤ ± (0.5% + 0.05 Ω)

No mechanical damage

Tensile:

Tensile strength: 10 N

Bend:

Bending strength: 5 N

Temperature Coefficient

of Resistance

Lay the resistor on the 90º angle metal V block and

apply rated AC voltage for one minute

Voltage Proof

Lay the resistor on the 90º angle metal V block and apply 100 Vdc between

V block and lead wire for a minute. The insulation resistance will be measured

while applying the voltage.

Insulation Resistance

≥ 1000 Mohm

Measure resistance (R0) at room temperature (t), after that, measure again

the resistance (R) at 100ºC higher than room temperature

ASRM14: ± 200 ppm/ºC

Soak in a Isopropyl alcohol for 5 minutes. After drying up for 5 minutes, the

stress of 5 N is added with the absorbent cotton. Five round trips at the rate of

one round trip a second.

There will be no damage

on the insulating surface

Solvent Resistance

Apply 2.5 times rated voltage or max overload voltage whichever is lower for

5 seconds and leave in room temperature for one hour after test.

≤ ± (1% + 0.05 Ω)

Overload (Short Time)

More than 95% of the

surface of the lead will be

covered by new solder

Dip the lead into a solder bath having a temperature of 245ºC ± 5ºC up

to 1.5 ± 0.5 mm from the body of the resistors and hold it for 5 ± 0.5 seconds.

Solderability

The body of the resistor is fixed, a static load is added in the direction of drawing

out of the terminal, and it maintains it for 10 ± 1 seconds.

Component body will be fixed so that terminals are perpendicular to the floor.

A static load specified below shall be applied to the terminal acting in a direction

away from the body. The body of piezoelectric oscillator will be inclined through

an angle of 90ºC and then retuned to its initial position in 2 or 3 seconds

Change of resistance

≤ ± (0.5% + 0.05 Ω)

Robustness of

Terminations

Dip the lead into a solder bath having a temperature of 260ºC ± 5ºC up

to 1.5 ± 0.5 mm from the body of the resistors and hold it for 10 ± 0.5 seconds

and leave in room temperature for one hour after test.

Change of resistance

≤ ± (1% + 0.05 Ω)

Resistance to

Soldering Heat

R - R0

10

6

R3

(t +100) - t

TCR =

x

(ppm/ºC)

0.126 ± 0.008

0.073 ± 0.008

1.102 ± 0.118

0.018 ± 0.002

inches

3.20 ± 0.20

1.85 ± 0.20

28.00 ± 3.00

0.45 ± 0.05

mm

0.354 ± 0.039

0.118 ± 0.020

1.102 ± 0.118

0.028 ± 0.002

inches

9.00 ± 1.00

3.00 ± 0.50

28.00 ± 3.00

0.70 ± 0.05

mm

0.433 ± 0.039

0.157 ± 0.020

1.102 ± 0.118

0.031 ± 0.002

inches

11.00 ± 1.00

4.00 ± 0.50

28.00 ± 3.00

0.80 ± 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

ASRM2

1340

ASRM12

330

ASRM1

570

Lead Length (Bulk)

Lead Diameter

ASRM14

110

Type/Code

Weight

(mg/pc)

A

B

C

D

Unit

Body Length

Body Diameter