Rev Date: 2/26/2021

2

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KAL Series

Aluminum Housed Chassis Mount Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Mechanical Specifications

– KAL/NKAL100

Mechanical Specifications

– KAL/NKAL250

Type

Unit

2.717 ± 0.079

2.362 ± 0.039

3.504 ± 0.039

5.315 ± 0.039

1.811 ± 0.039

2.756 ± 0.039

inches

69.00 ± 2.00

60.00 ± 1.00

89.00 ± 1.00

135.00 ± 1.00

46.00 ± 1.00

70.00 ± 1.00

mm

Unit

1.752 ± 0.039

0.187 ± 0.031

0.748 ± 0.020

0.197 ± 0.012

0.906 ± 0.079

inches

44.50 ± 1.00

4.75 ± 0.79

19.00 ± 0.50

5.00 ± 0.30

23.00 ± 2.00

mm

P

F

A

B

C

D

E

KAL/NKAL100

G

H

J

L

Type

Unit

3.858 ± 0.079 2.520 ± 0.039

4.488 ± 0.039

6.102 ± 0.039

2.087 ± 0.039

3.031 ± 0.039

2.185 ± 0.039

inches

98.00 ± 2.00

64.00 ± 1.00

114.00 ± 1.00

155.00 ± 1.00

53.00 ± 1.00

77.00 ± 1.00

55.50 ± 1.00

mm

Unit

0.250 ± 0.031 0.984 ± 0.020

0.197 ± 0.012

0.827 ± 0.079

inches

6.35 ± 0.79

25.00 ± 0.50

5.00 ± 0.30

21.00 ± 2.00

mm

G

H

J

L

P

R

S

A

B

C

D

E

F

KAL/NKAL250

22.00

78.00

0.866

3.071

Performance Characteristics

Test

Test Condition

Result

Short Time Overload

5 X wattage rating - 5 seconds

∆R ± (0.5% + 0.05 Ω) MAX

Moisture Resistance

Temp 40ºC moisture 95% CDC 100V for 500 hours

∆R ± (0.5% + 0.05 Ω) MAX

Load rating (chasis is mounted)

1.5 hours ON, 0.5 hours OFF. Repeated for 1000 hours

Load Life

∆R ± (1.5% + 0.05 Ω) MAX

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