KAL Series
Aluminum Housed Surface Mount Resistor
Features:
•
•
•
•
•
•
•
•
Aluminum housing for maximum heat dissipation
Complete welded construction
5 - 50W tinned copper terminals
Centerless ground steatite or alumina cores
Molded epoxy body for heat transfer
Non-inductive winding available
100 – 250W threaded terminals
RoHS compliant / lead-free
Stackpole Electronics, Inc.
Resistive Product Solutions
Electrical Specifications
Type / Code
KAL5
KAL10
KAL25
KAL50
KAL100
KAL250
MIL-R-26 Ref.
RE-60
RE-65
RE-70
RE-75
RE-77
RE-80
Power Rating
(Watts @ 25ºC)
Commercial
MIL
7.5W
5W
12.5W
10W
25W
20W
50W
30W
100W
75W
250W
120W
Dielectric
Withstanding
Voltage
1,000 VAC
3,000 VAC
2,500 VAC
Ohmic Range (Ω) and Tolerance
0.1%
-
1 - 1K
0.5%
-
1 - 1K
0.4 - 50K
-
1%
-
3%
-
0.05 - 30K
0.05 - 51.1K
0.05 - 150K
0.4 - 50K
0.6 - 80K
5%
1 - 50K
-
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 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:
100
Percent Rated Power (%)
75
50
25
0
25
50
100
150
200
250
275
300
Ambient Temperature (ºC)
Rev Date: 03/25/2011
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
KAL Series
Aluminum Housed Surface Mount Resistor
KAL 5 - 50
Stackpole Electronics, Inc.
Resistive Product Solutions
KAL 100
KAL 250
Mechanical Specifications
Type
Tolerance
KAL5
KAL10
KAL25
KAL50
KAL100
KAL250
A
±0.005
±0.1
0.394
10
0.562
14.3
0.719
18.3
1.563
39.7
2.75
69.9
3.87
98.4
B
±0.005
±0.1
0.492
12.5
0.625
15.9
0.781
19.8
0.844
21.4
2.25
57.2
2.5
63.5
C
±0.031
±0.8
0.591
15
0.75
19
1.062
27
1.968
50
3.5
88.9
4.5
114.3
D
±0.062
±1.6
0.984
25
1.375
34.9
1.938
49.2
2.781
70.6
5.48
139.2
7
177.8
E
±0.015
±0.4
0.335
8.5
0.42
10.7
0.55
14
0.63
16
1.89
48
2.13
54
F
±0.015
±0.4
0.65
16.5
0.8
20.3
1.08
27.4
1.14
29
2.81
71.4
3
76.2
G
±0.031
±0.8
0.315
8
0.39
9.9
0.546
13.9
0.61
15.5
2.18
55.6
2.19
55.6
H
±0.01
±0.3
0.063
1.6
0.075
1.9
0.088
2.2
0.088
2.2
0.19
4.8
0.25
6.4
J
±0.015
±0.4
0.157
4
0.19
4.8
0.26
6.6
0.3
7.6
0.96
24.3
0.96
24.3
K
±0.01
±0.3
0.099
2.5
0.093
2.4
0.172
4.4
0.196
5
0.37
9.5
0.31
7.9
L
±0.005
±0.1
0.079
2
0.093
2.4
0.125
3.2
0.125
3.2
0.19
4.8
0.19
4.8
M
±0.015
±0.4
0.079
2
0.102
2.6
0.115
2.9
0.107
2.7
0.29
7.1
0.25
6.4
N
±0.005
±0.1
0.051
1.3
0.086
2.2
0.086
2.2
0.086
2.2
-
-
P
±0.062
±1.6
0.197
5
0.312
7.9
0.438
11.1
0.41
10.4
0.99
25.12
1.25
31.8
R
±0.01
±0.25
-
-
-
-
-
0.87
22.2
S
±0.01
±0.25
-
-
-
-
-
3
76.2
Unit
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
Rev Date: 03/25/2011
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
Non-inductive
NKAL
Size
5
10
25
50
100
250
Power
5W
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
5
10
25
Bulk
50
100
250
Resistance Value
Quantity
50
20
10
5
10
5
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
5
10
25
50
100
250
10
Wattage
5W
10W
25W
50W
100W
250W
10K
1%
Tolerance
0.1%
0.5%
1%
3%
5%
Types
KAL5
KAL10
KAL25
KAL50
KAL100
KAL250
Qty
50
20
10
5
10
5
B
Description
Code
Bulk
B
Rev Date: 03/25/2011
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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