KAL Series Stackpole Electronics, Inc. Aluminum Housed Surface Mount Resistor * * * * * * * * Features: Resistive Product Solutions 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 Electrical Specifications Type / Code MIL-R-26 Ref. KAL5 KAL10 KAL25 KAL50 KAL100 KAL250 RE-60 RE-65 RE-70 RE-75 RE-77 RE-80 Power Rating (Watts @ 25C) Commercial MIL 7.5W 5W 12.5W 10W 25W 20W 50W 30W 100W 75W 250W 120W Dielectric Withstanding Voltage Ohmic Range () and Tolerance 1,000 VAC 3,000 VAC 2,500 VAC 0.1% - 0.5% - 1 - 1K 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 0.1, 50ppm from 0.1 - 9.9, 30ppm from 10 - 49, & 20ppm above 50 Performance Characteristics Test Test Conditions Results Short time Overload 5x wattage rating - 5 seconds R (0.5% + 0.05) MAX Moisture resistance Temp 40C moisture 95% CDC 100V for 500 hours R (0.5% + 0.05) MAX Load life Load rating (chasis is mounted) 1.5 hours ON, 0.5 hours OFF. Repeated for 1000 hours R (1.5% + 0.05) MAX Percent Rated Power (%) Power Derating Curve: 100 75 50 25 0 25 50 100 150 200 250 275 300 Ambient Temperature (C) 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 Stackpole Electronics, Inc. Aluminum Housed Surface Mount Resistor Resistive Product Solutions KAL 5 - 50 KAL 100 KAL 250 Mechanical Specifications Type A B C D E F G H J K L M N P R S Unit Tolerance 0.005 0.1 0.005 0.1 0.031 0.8 0.062 1.6 0.015 0.4 0.015 0.4 0.031 0.8 0.01 0.3 0.015 0.4 0.01 0.3 0.005 0.1 0.015 0.4 0.005 0.1 0.062 1.6 0.01 0.25 0.01 0.25 inches mm KAL5 0.394 10 0.492 12.5 0.591 15 0.984 25 0.335 8.5 0.65 16.5 0.315 8 0.063 1.6 0.157 4 0.099 2.5 0.079 2 0.079 2 0.051 1.3 0.197 5 - - inches mm KAL10 0.562 14.3 0.625 15.9 0.75 19 1.375 34.9 0.42 10.7 0.8 20.3 0.39 9.9 0.075 1.9 0.19 4.8 0.093 2.4 0.093 2.4 0.102 2.6 0.086 2.2 0.312 7.9 - - inches mm KAL25 0.719 18.3 0.781 19.8 1.062 27 1.938 49.2 0.55 14 1.08 27.4 0.546 13.9 0.088 2.2 0.26 6.6 0.172 4.4 0.125 3.2 0.115 2.9 0.086 2.2 0.438 11.1 - - inches mm KAL50 1.563 39.7 0.844 21.4 1.968 50 2.781 70.6 0.63 16 1.14 29 0.61 15.5 0.088 2.2 0.3 7.6 0.196 5 0.125 3.2 0.107 2.7 0.086 2.2 0.41 10.4 - - inches mm KAL100 2.75 69.9 2.25 57.2 3.5 88.9 5.48 139.2 1.89 48 2.81 71.4 2.18 55.6 0.19 4.8 0.96 24.3 0.37 9.5 0.19 4.8 0.29 7.1 - 0.99 25.12 - - inches mm KAL250 3.87 98.4 2.5 63.5 4.5 114.3 7 177.8 2.13 54 3 76.2 2.19 55.6 0.25 6.4 0.96 24.3 0.31 7.9 0.19 4.8 0.25 6.4 - 1.25 31.8 0.87 22.2 3 76.2 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 Stackpole Electronics, Inc. Aluminum Housed Surface Mount Resistor 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): Type KAL NKAL SEI Type Code Nominal Resistance Tolerance Packaging KAL 10 10K 1% B Description Standard Non-Inductive Code 5 10 25 50 100 250 Wattage 5W 10W 25W 50W 100W 250W 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. Tolerance 0.1% 0.5% 1% 3% 5% 3 Types KAL5 KAL10 KAL25 KAL50 KAL100 KAL250 Qty 50 20 10 5 10 5 Description Code Bulk B www.seielect.com marketing@seielect.com