KAL Series
Aluminum Housed Surface Mount Resistor
Features:
•
•
•
•
•
•
•
•
Aluminum housing for maximum heat dissipation
Complete welded construction
10-50W tinned copper terminals
Centerless ground steatite or alumina cores
Molded epoxy body for heat transfer
Non-inductive winding available (NKAL)
100–250W threaded terminals
RoHS compliant / lead-free
Stackpole Electronics, Inc.
Resistive Product Solutions
Electrical Specifications
Power Rating
Dielectric
Ohmic Range (Ω) and Tolerance
(Watts @ 25ºC)
Withstanding
Commercial
MIL
Voltage
0.1%
0.5%
1%
3%
0.05 - 30K
KAL10
RE-65
12.5W
10W
1,000 VAC
1 - 1K
1 - 1K
0.05 - 51.1K
KAL25
RE-70
25W
20W
3,000 VAC
0.05 - 150K
KAL50
RE-75
50W
30W
0.4 - 50K
KAL100
RE-77
100W
75W
0.4 - 50K
2,500 VAC
-
0.6 - 80K
KAL250
RE-80
250W
120W
-
Temperature Coefficient Standard: ±100ppm below 0.1Ω, ±50ppm from 0.1Ω - 9.9Ω, ±30ppm from 10Ω - 49Ω, & ±20ppm above 50Ω
Type / Code
MIL-R-26 Ref.
5%
Performance Characteristics
Test
Short time Overload
Moisture resistance
Load life
Test Conditions
5x wattage rating - 5 seconds
Temp 40ºC 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
Power Derating Curve:
Percent Rated Power (%)
100
75
50
25
0
25
50
100
150
200
250
275
300
Ambient Temperature (ºC)
Rev Date: 01/11/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
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marketing@seielect.com
KAL Series
Aluminum Housed Surface Mount Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
KAL 10-50
KAL 100
KAL 250
Mechanical Specifications
Type
Tolerance
KAL10
KAL25
KAL50
KAL100
KAL250
A
±0.005
±0.10
0.562
14.27
0.719
18.26
1.563
39.70
2.750
69.85
3.870
98.30
B
±0.005
±0.10
0.625
15.88
0.781
19.84
0.844
21.44
2.250
57.15
2.500
63.50
C
±0.031
±0.80
0.750
19.05
1.062
26.97
1.968
49.99
3.500
88.90
4.500
114.30
D
±0.062
±1.60
1.375
34.93
1.938
49.23
2.781
70.64
5.480
139.19
7.000
177.80
E
±0.015
±0.40
0.420
10.67
0.550
13.97
0.630
16.00
1.890
48.01
2.130
54.10
F
±0.015
±0.40
0.800
20.32
1.080
27.43
1.140
28.96
2.810
71.37
3.000
76.20
G
±0.031
±0.80
0.390
9.91
0.546
13.87
0.610
15.49
2.180
55.37
2.190
55.63
H
±0.010
±0.30
0.075
1.91
0.088
2.24
0.088
2.24
0.190
4.83
0.250
6.35
J
±0.015
±0.40
0.190
4.83
0.260
6.60
0.300
7.62
0.960
24.38
0.960
24.38
K
±0.010
±0.30
0.093
2.36
0.172
4.37
0.196
4.98
0.370
9.40
0.310
7.87
L
±0.005
±0.10
0.093
2.36
0.125
3.18
0.125
3.18
0.190
4.83
0.190
4.83
M
±0.015
±0.40
0.102
2.59
0.115
2.92
0.107
2.72
0.290
7.37
0.250
6.35
N
±0.005
±0.10
0.086
2.18
0.086
2.18
0.086
2.18
-
-
P
±0.062
±1.60
0.312
7.92
0.438
11.13
0.410
10.41
0.990
25.15
1.250
31.75
R
±0.010
±0.25
-
-
-
-
0.870
22.10
S
±0.010
±0.25
-
-
-
-
3.000
76.20
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Rev Date: 01/11/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
KAL Series
Aluminum Housed Surface Mount Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
How to Order
1
2
3
4
5
6
7
8
9
10
11
K
A
L
1
0
F
B
1
0
K
0
Product Series
Standard
KAL
NKAL
Non-inductive
Size
10
25
50
100
250
Power
10W
25W
50W
100W
250W
Tolerance
Code
Tol
B
0.1%
D
0.5%
F
1%
H
3%
J
5%
Code
B
Packaging
Description
Size
10
25
Bulk
50
100
250
Resistance Value
MOQ
250
250
250
60
30
Four characters with the
multiplier used as the
decimal holder.
10.2 Kohm = 10K2
1 Mohm = 1M00
Legacy Part Number (before January 3, 2011):
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
KAL
Type
KAL
NKAL
Description
Standard
Non-Inductive
Code
10
25
50
100
250
10
Wattage
10W
25W
50W
100W
250W
10K
1%
Tolerance
0.1%
0.5%
1%
3%
5%
Types
KAL10
KAL25
KAL50
KAL100
KAL250
MOQ
250
250
250
60
30
B
Description
Code
Bulk
B
Rev Date: 01/11/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
3
www.seielect.com
marketing@seielect.com
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