Rev Date: 01/27/2016
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Please confirm technical specifications before you order and/or use.
Aluminum Housed Chassis Mount Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
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
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
NKAL100 100W 1 - 249 0.1 - 1.5K
Ohmic Range (Ω) and Tolerance
<0.1Ω =
±100ppm
0.1Ω - 9.9Ω
=
±50ppm
10Ω - 49Ω
=
±30ppm
>50Ω
= ±20ppm
<0.1Ω =
±100ppm
0.1Ω - 9.9Ω =
±50ppm
10Ω - 49Ω
=
±30ppm
>50Ω
=
±20ppm
Features:
Power Derating Curve:
• Aluminum housing for maximum heat dissipation
• Complete welded construction
• 10-50W tinned copper terminals
• 100–250W 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
Electrical Specifications
Performance Characteristics