Rev Date: 01/11/2013 1 www.seielect.com
This speci fication ma y be chang ed at a n y time witho ut pri or noti c e marketing@seielect.com
Please confirm technical specifications before you order and/or use.
KAL Series
Aluminum Housed Surface Mount Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
100
75
50
25
0
50
100
Ambient Temperature (ºC)
150
200
250
300
Percent Rated Power (%)
275
25
Test Test Conditions Results
Short time Overload 5x wattage rating - 5 seconds ∆R ± (0.5% + 0.05Ω) MAX
Moisture resistance Temp 40ºC moisture 95% CDC 100V for 500 hours ∆R ± (0.5% + 0.05Ω) MAX
Load rating (chasis is mounted)
1.5 hours ON, 0.5 hours OFF. Repeated for 1000 hours
Load life
∆R ± (1.5% + 0.05Ω) MAX
Dielectric
Type / Code Withstanding
Commercial MIL Voltage 0.1% 0.5% 1% 3% 5%
KAL10 RE-65 12.5W 10W 1,000 VAC
KAL25 RE-70 25W 20W
KAL50 RE-75 50W 30W
KAL100 RE-77 100W 75W 0.4 - 50K
KAL250 RE-80 250W 120W -
1 - 1K
0.6 - 80K
-
MIL-R-26 Ref.
Ohmic Range (Ω) and Tolerance
Power Rating
(Watts @ 25ºC)
Temperature Coefficient Standard: ±100ppm below 0.1Ω, ±50ppm from 0.1Ω - 9.9Ω, ±30ppm from 10Ω - 49Ω, & ±20ppm above 50Ω
0.05 - 30K
0.05 - 51.1K
0.05 - 150K
0.4 - 50K
1 - 1K
2,500 VAC
3,000 VAC
Features:
Power Derating Curve:
• 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-induct ive winding avail abl e (NKAL)
• 100–250W threaded terminals
• RoHS compliant / lead-free
Electrical Specifica tions
Performance Characteristics
Rev Date: 01/11/2013 2 www.seielect.com
This speci fication ma y be chang ed at a n y time witho ut pri or noti c e marketing@seielect.com
Please confirm technical specifications before you order and/or use.
KAL Series
Aluminum Housed Surface Mount Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
Type A B C D E F G H J K L M N P R S Unit
±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
±0.10 ±0.10 ±0.80 ±1.60 ±0.40 ±0.40 ±0.80 ±0.30 ±0.40 ±0.30 ±0.10 ±0.40 ±0.10 ±1.60 ±0.25 ±0.25 mm
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 inches
14.27 15.88 19.05 34.93 10.67 20.32 9.91 1.91 4.83 2.36 2.36 2.59 2.18 7.92 mm
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
18.26 19.84 26.97 49.23 13.97 27.43 13.87 2.24 6.60 4.37 3.18 2.92 2.18 11.13 mm
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 inches
39.70 21.44 49.99 70.64 16.00 28.96 15.49 2.24 7.62 4.98 3.18 2.72 2.18 10.41 mm
2.750 2.250 3.500 5.480 1.890 2.810 2.180 0.190 0.960 0.370 0.190 0.290 0.990 inches
69.85 57.15 88.90 139.19 48.01 71.37 55.37 4.83 24.38 9.40 4.83 7.37 25.15 mm
3.870 2.500 4.500 7.000 2.130 3.000 2.190 0.250 0.960 0.310 0.190 0.250 1.250 0.870 3.000 inches
98.30 63.50 114.30 177.80 54.10 76.20 55.63 6.35 24.38 7.87 4.83 6.35 31.75 22.10 76.20 mm
KAL250
Tolerance
KAL10
KAL25
KAL50
-
-
-
-
-
-
-
-
-
-
KAL100
Mechanic al Spec ifications
KAL 250
KAL 100
KAL 10-50
Rev Date: 01/11/2013 3 www.seielect.com
This speci fication ma y be chang ed at a n y time witho ut pri or noti c e marketing@seielect.com
Please confirm technical specifications before you order and/or use.
KAL Series
Aluminum Housed Surface Mount Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
12345678910 11
KA L 1 0 F B 1 0 K 0
Size
KAL 10 MOQ
NKAL 25 250
50
250
100
250
250
60
30
10
250W
25
50
B
0.1%
0.5%
100W
F
1%
H
3%
50W
B
1 Mohm = 1M00
J
5%
100
10. 2 K ohm = 10K2
250
Bulk
D
25W
Product Ser ies
Power
Tolerance
Resistance Value
Packaging
Four char acter s with the
multi pli er used as the
decimal holder .
10W
Code
Description
Size
Standard
Code
Tol
Non-inductive
Nominal
Resistance Tolerance
10K 1%
Type Description Code Wattage Tolerance Types MOQ Description Code
KAL Standard 10 10W 0.1%
KAL10 250
NKAL Non-Inductive 25 25W 0.5%
KAL25 250
50 50W 1%
KAL50 250
100 100W 3%
KAL100 60
250 250W 5%
KAL250 30
Bulk
B
SEI Type
Code
Packaging
KAL
10
B
Legacy Part Number (before January 3, 2011):
How to Order
