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KAL Series

Stackpole Electronics Inc.

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Datasheet

Rev Date: 02/14/2019 1 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
KAL Series
Aluminum Housed Chassis Mount Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Dielectric
Type / Code Withstanding
Commercial MIL Voltage
KAL10 RE-65 12.5W 10W 1,000 VAC 0.05 - 30K
KAL25 RE-70 25W 20W 0.05 - 51.1K
KAL50 RE-75 50W 30W 0.05 - 150K
KAL100 RE-77 100W 75W 1 - 500 0.1 - 3K
KAL250 RE-80 250W 120W 0.1 - 3K
NKAL10 12.5W 1,000 VAC 0.05 - 15K
NKAL25 25W 0.05 - 24.9K
NKAL50 50W 0.05 - 75K
NKAL100 100W 1 - 249 0.1 - 1.5K
NKAL250 250W 0.1 - 1.5K
-
-
3,000 VAC
-
-
-
MIL-R-26
Ref.
Power Rating
(Watts @ 25ºC)
-
2,500 VAC
-
-
TCR (ppm/ºC)
Ohmic Range (Ω) and Tolerance
1%, 3%, 5%
-
0.5%
-
0.1%
2,500 VAC
3,000 VAC
<0.1Ω = ±100ppm
0.1Ω - 9.9Ω = ±50ppm
10Ω - 49Ω = ±30ppm
>5 = ±20ppm
<0.1Ω = ±100ppm
0.1Ω - 9.9Ω = ±50ppm
10Ω - 49Ω = ±30ppm
>5 = ±20ppm
Features:
Power Derating Curve:
Aluminum housing for maximum heat dissipation
Complete welded construction
10-50W tinned copper terminals
100250W threaded terminals
Centerless ground steatite or alumina cores
Molded epoxy body for heat transfer
Non-inductive winding available (NKAL)
Suitable for electrical component grade wash process and can be
conformally coated or potted
RoHS compliant, lead-free and halogen-free
Electrical Specifications
Performance Characteristics
0
50
100
100
75
50
25
Ambient Temperature (ºC)
150
200
250
300
Percent Rated Power (%)
275
25
Test Test Condition Result
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
Rev Date: 02/14/2019 2 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
KAL Series
Aluminum Housed Chassis Mount Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Type Unit
0.562 ±0.005 0.625 ±0.005 0.750 ±0.031 1.375 ±0.062 0.420 ±0.015 0.800 ±0.015 0.390 ±0.031 inches
14.27 ±0.13 15.88 ±0.13 19.05 ±0.79 34.93 ±1.57 10.67 ±0.38 20.32 ±0.38 9.91 ±0.79 mm
0.719 ±0.005 0.781 ±0.005 1.062 ±0.031 1.938 ±0.062 0.550 ±0.015 1.080 ±0.015 0.546 ±0.031 inches
18.26 ±0.13 19.84 ±0.13 26.97 ±0.79 49.23 ±1.57 13.97 ±0.38 27.43 ±0.38 13.87 ±0.79 mm
1.563 ±0.005 0.844 ±0.005 1.968 ±0.031 2.781 ±0.062 0.630 ±0.015 1.140 ±0.015 0.610 ±0.031 inches
39.70 ±0.13 21.44 ±0.13 49.99 ±0.79 70.64 ±1.57 16.00 ±0.38 28.96 ±0.38 15.49 ±0.79 mm
Type Unit
0.075 ±0.010 0.190 ±0.015 0.093 ±0.010 0.093 ±0.005 0.102 ±0.015 0.086 ±0.005 0.312 ±0.062 inches
1.91 ±0.25 4.83 ±0.38 2.36 ±0.25 2.36 ±0.13 2.59 ±0.38 2.18 ±0.13 7.92 ±1.57 mm
0.088 ±0.010 0.260 ±0.015 0.172 ±0.010 0.125 ±0.005 0.115 ±0.015 0.086 ±0.005 0.438 ±0.062 inches
2.24 ±0.25 6.60 ±0.38 4.37 ±0.25 3.18 ±0.13 2.92 ±0.38 2.18 ±0.13 11.13 ±1.57 mm
0.088 ±0.010 0.300 ±0.015 0.196 ±0.010 0.125 ±0.005 0.107 ±0.015 0.086 ±0.005 0.410 ±0.062 inches
2.24 ±0.25 7.62 ±0.38 4.98 ±0.25 3.18 ±0.13 2.72 ±0.38 2.18 ±0.13 10.41 ±1.57 mm
N
P
F
G
KAL/NKAL25
C
D
E
L
M
KAL/NKAL10
KAL/NKAL25
KAL/NKAL50
A
B
KAL/NKAL50
H
J
K
KAL/NKAL10
Type Unit
2.717 ± 0.079 2.362 ± 0.039 3.504 ± 0.039 5.315 ± 0.039 1.811 ± 0.039 2.756 ± 0.039 inches
69.00 ± 2.00 60.00 ± 1.00 89.00 ± 1.00 135.00 ± 1.00 46.00 ± 1.00 70.00 ± 1.00 mm
Unit
1.752 ± 0.039 0.187 ± 0.031 0.748 ± 0.020 0.197 ± 0.012 0.906 ± 0.079 inches
44.50 ± 1.00 4.75 ± 0.79 19.00 ± 0.50 5.00 ± 0.30 23.00 ± 2.00 mm
P
F
A
B
C
D
E
KAL/NKAL100
G
H
J
L
Mechanical Specifications KAL/NKAL10, 25, 50
Mechanical Specifications KAL/NKAL100
Rev Date: 02/14/2019 3 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
KAL Series
Aluminum Housed Chassis Mount Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
RoHS Compliance
Stackpole Electronics has joined the worldwide effort to reduce the amount of lead in electronic components and to meet the various
regulatory requirements now prevalent, such as the European Union’s directive regarding “Restrictions on Hazardous Substances”
(RoHS 3). As part of this ongoing program, we periodically update this document with the status regarding the availability of our
compliant components. All our standard part numbers are compliant to EU Directive 2011/65/EU of the European Parliament as
amended by Directive (EU) 2015/863/EU as regards the list of restricted substances.
“Conflict Metals” Commitment
We at Stackpole Electronics, Inc. are joined with our industry in opposing the use of metals mined in the “conflict region” of the
eastern Democratic Republic of the Congo (DRC) in our products. Recognizing that the supply chain for metals used in the
electronics industry is very complex, we work closely with our own suppliers to verify to the extent possible that the materials and
products we supply do not contain metals sourced from this conflict region. As such, we are in compliance with the requirements of
Dodd-Frank Act regarding Conflict Minerals.
Type Unit
3.858 ± 0.079 2.520 ± 0.039 4.488 ± 0.039 6.102 ± 0.039 2.087 ± 0.039 3.031 ± 0.039 2.185 ± 0.039 inches
98.00 ± 2.00 64.00 ± 1.00 114.00 ± 1.00 155.00 ± 1.00 53.00 ± 1.00 77.00 ± 1.00 55.50 ± 1.00 mm
Unit
0.250 ± 0.031 0.984 ± 0.020 0.197 ± 0.012 0.827 ± 0.079 inches
6.35 ± 0.79 25.00 ± 0.50 5.00 ± 0.30 21.00 ± 2.00 mm
G
H
J
L
P
R
S
A
B
C
D
E
F
KAL/NKAL250
22.00
78.00
0.866
3.071
Mechanical Specifications KAL/NKAL250
RoHS Compliance Status
KAL
Aluminum Housed Surface Mount Resistor
General Purpose/Precision
High Power Resistor
Special YES 100% Matte Sn Jan-06 06/01
Standard
Product
Series
Description
Package /
Termination
Type
Standard
Series
RoHS
Compliant
Lead-Free Termination
Composition
Lead-Free
Mfg. Effective Date
(Std Product Series)
Lead-Free
Effective Date
Code
(YY/WW)
Rev Date: 02/14/2019 4 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
KAL Series
Aluminum Housed Chassis Mount Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
1 2 3 4 5 6 7 8 9 10 11
K A L 1 0 F B 1 0 K 0
Compliance to “REACH”
We certify that all passive components supplied by Stackpole Electronics, Inc. are SVHC (Substances of Very High Concern) free
and compliant with the requirements of EU Directive 1907/2006/EC, “The Registration, Evaluation, Authorization and Restriction of
Chemicals”, otherwise referred to as REACH. Contact us for complete list of REACH Substance Candidate List.
Environmental Policy
It is the policy of Stackpole Electronics, Inc. (SEI) to protect the environment in all localities in which we operate. We continually
strive to improve our effect on the environment. We observe all applicable laws and regulations regarding the protection of our
environment and all requests related to the environment to which we have agreed. We are committed to the prevention of all forms
of pollution.
How to Order
Code Code MOQ
KAL 10 250
NKAL 25 250
50
250
100
60
250
30
250W
25
50
B
0.1%
0.5%
100W
F
1%
H
3%
50W
B
D
Four characters with the
multiplier used as the
decimal holder.
"L" used as multiplier
of 10-3 for any value
under 0.1 ohm.
10
5%
100
0.05 ohm = 50L0
250
Bulk
Product Series
Tolerance
Resistance Value
Packaging
Description
Power
Power Rating
30 Kohm = 30K0
25W
10W
Code
Description
Size
Standard
Code
Tol
Non-inductive
0.4 ohm = R400
1 ohm = 1R00
J

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