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
Type / Code
KAL10
KAL25
KAL50
KAL100
KAL250
MIL-R-26
Ref.
RE-65
RE-70
RE-75
RE-77
RE-80
Power Rating
(Watts @ 25ºC)
Commercial
MIL
12.5W
10W
25W
50W
100W
250W
20W
30W
75W
120W
Dielectric
Withstanding
Voltage
1,000 VAC
3,000 VAC
2,500 VAC
TCR (ppm/ºC)
Ohmic Range (Ω) and Tolerance
0.1%
0.5%
1 - 1K
1 - 500
-
1%, 3%, 5%
0.05 - 30K
0.05
0.05
0.1
0.1
-
-
-
-
51.1K
150K
3K
3K
<0.1Ω
0.1Ω - 9.9Ω
10Ω - 49Ω
>50Ω
=
=
=
=
±100ppm
±50ppm
±30ppm
±20ppm
1 - 1K
-
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: 08/22/2013
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
Stackpole Electronics, Inc.
Resistive Product Solutions
Mechanical Specifications - KAL10/KAL25/KAL50
Type
KAL10
KAL25
KAL50
A
0.562 ± 0.005
14.27 ± 0.13
0.719 ± 0.005
18.26 ± 0.13
1.563 ± 0.005
39.70 ± 0.13
B
0.625 ± 0.005
15.88 ± 0.13
0.781 ± 0.005
19.84 ± 0.13
0.844 ± 0.005
21.44 ± 0.13
C
0.750 ± 0.031
19.05 ± 0.79
1.062 ± 0.031
26.97 ± 0.79
1.968 ± 0.031
49.99 ± 0.79
D
1.375 ± 0.062
34.93 ± 1.57
1.938 ± 0.062
49.23 ± 1.57
2.781 ± 0.062
70.64 ± 1.57
E
0.420 ± 0.015
10.67 ± 0.38
0.550 ± 0.015
13.97 ± 0.38
0.630 ± 0.015
16.00 ± 0.38
F
0.800 ± 0.015
20.32 ± 0.38
1.080 ± 0.015
27.43 ± 0.38
1.140 ± 0.015
28.96 ± 0.38
G
0.390 ± 0.031
9.91 ± 0.79
0.546 ± 0.031
13.87 ± 0.79
0.610 ± 0.031
15.49 ± 0.79
Unit
inches
mm
inches
mm
inches
mm
Type
KAL10
KAL25
KAL50
H
0.075 ± 0.010
1.91 ± 0.25
0.088 ± 0.010
2.24 ± 0.25
0.088 ± 0.010
2.24 ± 0.25
J
0.190 ± 0.015
4.83 ± 0.38
0.260 ± 0.015
6.60 ± 0.38
0.300 ± 0.015
7.62 ± 0.38
K
0.093 ± 0.010
2.36 ± 0.25
0.172 ± 0.010
4.37 ± 0.25
0.196 ± 0.010
4.98 ± 0.25
L
0.093 ± 0.005
2.36 ± 0.13
0.125 ± 0.005
3.18 ± 0.13
0.125 ± 0.005
3.18 ± 0.13
M
0.102 ± 0.015
2.59 ± 0.38
0.115 ± 0.015
2.92 ± 0.38
0.107 ± 0.015
2.72 ± 0.38
N
0.086 ± 0.005
2.18 ± 0.13
0.086 ± 0.005
2.18 ± 0.13
0.086 ± 0.005
2.18 ± 0.13
P
0.312 ± 0.062
7.92 ± 1.57
0.438 ± 0.062
11.13 ± 1.57
0.410 ± 0.062
10.41 ± 1.57
Unit
inches
mm
inches
mm
inches
mm
Mechanical Specifications - KAL100
Type
A
2.717 ± 0.079
69.00 ± 2.00
KAL100
B
2.362 ± 0.039
60.00 ± 1.00
C
3.504 ± 0.039
89.00 ± 1.00
D
5.315 ± 0.039
135.00 ± 1.00
E
1.811 ± 0.039
46.00 ± 1.00
F
2.756 ± 0.039
70.00 ± 1.00
Unit
inches
mm
G
1.752 ± 0.039
44.50 ± 1.00
H
0.187 ± 0.031
4.75 ± 0.79
J
0.748 ± 0.020
19.00 ± 0.50
L
0.197 ± 0.012
5.00 ± 0.30
P
0.906 ± 0.079
23.00 ± 2.00
Unit
inches
mm
Rev Date: 08/22/2013
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
Mechanical Specifications – KAL250
Type
A
3.858 ± 0.079
98.00 ± 2.00
KAL250
B
2.520 ± 0.039
64.00 ± 1.00
C
4.488 ± 0.039
114.00 ± 1.00
D
6.102 ± 0.039
155.00 ± 1.00
E
2.087 ± 0.039
53.00 ± 1.00
F
3.031 ± 0.039
77.00 ± 1.00
G
2.185 ± 0.039
55.50 ± 1.00
Unit
inches
mm
H
0.250 ± 0.031
6.35 ± 0.79
J
0.984 ± 0.020
25.00 ± 0.50
L
0.197 ± 0.012
5.00 ± 0.30
P
0.827 ± 0.079
21.00 ± 2.00
R
0.866
22.00
S
3.071
78.00
Unit
inches
mm
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
10
25
50
100
250
Power
10W
25W
50W
100W
250W
Tolerance
Code
Tol
0.1%
B
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
"L" used as multiplier
of 10
-3
for any value
under 0.1 ohm.
0.05 ohm = 50L0
0.4 ohm = R400
1 ohm = 1R00
30 Kohm = 30K0
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: 08/22/2013
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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