KAL Series — Aluminum Housed Surface Mount Resistor
Features
• Aluminum housing for maximum heat dissipation • Molded epoxy body for heat transfer
• Complete welded construction
• 10 - 50W tinned copper terminals
• Centerless ground steatite or alumina cores
• Non-inductive winding available
• 100 - 250W threaded terminals
• RoHS compliant / lead-free
Electrical Specifications
Type / Code
MIL-R-26 Ref.
Power Rating (Watts)
@ 70°C
Commercial
KAL 10
KAL 25
KAL 50
KAL 100
KAL 250
RE-65
RE-70
RE-75
RE-77
RE-80
12.5W
25W
50W
100W
250W
MIL
10W
20W
30W
2,500 VAC
75W
–
120W
0.6Ω – 80KΩ
0.6Ω – 80KΩ
0.4Ω – 50KΩ
0.4Ω – 50KΩ
Dielectric
Withstanding
Voltage
1,000 VAC
1Ω – 1KΩ
1Ω – 1KΩ
Ohmic Range and Tolerance
0.1%
0.5%
1% & 5%
0.05Ω
−
30KΩ
0.05Ω
−
50KΩ
0.05Ω
−
150KΩ
Temperature Coefficient Standard: ±100ppm below 0.1Ω, ±50ppm from 0.1Ω - 9.9Ω, ±30ppm from 10Ω - 49Ω, & ±20ppm above 50Ω.
Performance Characteristics
Test
Short Time Overload
Moisture Resistance
Load Life
Test Conditions
5x wattage rating - 5 seconds
Temp 40°C moisture 95% CDC 100V for 500 hours
Load rating (chasis is mounted)
1.5 hours on - 0.5 hours off. Repeated for 1000 hours
Results
∆R
± (0.5% + 0.05Ω) MAX
∆R
± (0.5% + 0.05Ω) MAX
∆R
± (1.5% + 0.05Ω) MAX
How to Order
KAL
SEI Type
10
Code
10K
Nominal Resistance
1%
Tolerance
B
Packaging
Type
KAL
Description
Standard
Code Wattage
10
25
50
100
250
10W
25W
50W
100W
250W
Tolerance
0.1%
0.5%
1%
5%
SEI Types
KAL 10
KAL 25
KAL 50
KAL 100
KAL 250
Pkg Qty
20
10
5
10
5
Description
Code
NKAL Non-Inductive
Bulk
B
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
67
email: marketing@seielect.com
Rev 08/07
KAL Series — Aluminum Housed Surface Mount Resistor
Mechanical Specifications
Type
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
Units
± 0.005 ± 0.005 ± 0.031 ±0.062 ± 0.015 ± 0.015 ± 0.031 ± 0.010 ± 0.015 ± 0.010 ± 0.005 ± 0.015 ± 0.005 ±0.062 ±0.010 ±0.010 inches
Tolerance
±0.1
±0.1
±0.8
±1.6
±0.4
±0.4
±0.8
±0.3
±0.4
±0.3
±0.1
±0.4
±0.1
±1.6
±0.25 ±0.25
mm
inches
0.562
0.625
0.750
1.375
0.420
0.800
0.390
0.075
0.190
0.093
0.093
0.102
0.086
0.312
-
-
KAL 10
mm
14.3
15.9
19.0
34.9
10.7
20.3
9.9
1.9
4.8
2.4
2.4
2.6
2.2
7.9
0.719
0.781
1.062
1.938
0.550
1.080
0.546
0.088
0.260
0.172
0.125
0.115
0.086
0.438
inches
KAL 25
-
-
18.3
19.8
27.0
49.2
14.0
27.4
13.9
2.2
6.6
4.4
3.2
2.9
2.2
11.1
mm
inches
1.563
0.844
1.968
2.781
0.630
1.140
0.610
0.088
0.300
0.196
0.125
0.107
0.086
0.410
KAL 50
-
-
39.7
21.4
50.0
70.6
16.0
29.0
15.5
2.2
7.6
5.0
3.2
2.7
2.2
10.4
mm
2.75
2.25
3.50
5.48
1.89
2.81
2.18
0.19
0.96
0.37
0.19
0.29
0.99
inches
KAL 100
-
-
-
69.90
57.20
88.90 139.20 48.00
71.40
55.60
4.80
24.30
9.50
4.80
7.10
25.12
mm
3.87
2.50
4.50
7.00
2.13
3.00
2.19
0.25
0.96
0.31
0.19
0.25
1.25
0.87
3.00
inches
KAL 250
-
98.4
63.5
114.3
177.8
54.0
76.2
55.6
6.4
24.3
7.9
4.8
6.4
31.8
22.2
76.20
mm
KAL 10 - 50
KAL 100
KAL 250
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
68
email: marketing@seielect.com
Rev 08/07
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