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45W Thick Film Resistor TO252; TKH45 Series
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Ohmite TKH Series - 45W TO-252 Thick Film Resistor: Rated Power 45W at -55°C to 25°C backing metal temperature; 1.0W attached on simple foot print
Designed to replace any TO-252 package. The TKH45 is rated at 45 watts with a thermal resistance of 3.0°C/W in a surfacemount design capable of high wattage dissipation with the proper heatsink and thermal considerations. The Ohmite D series heatsinks with the TKH45 presents a complete solution for your surfacemount wattage requirements. The thick film construction enables non-inductive performance and is suited for pre charge and snubber applications.
Elimination of multiple thermal layers including metal header for greater thermal performance
No wire bonds or molding for increased reliability
Larger resistance area for increased surge handling
Small size, low profile, surge capable film resistor
-55°C to +175°C temperature range provides for automotive applications
Low thermal resistance under 3.0°C/W shows excellent cooling performance
Easy to replace D-PAK power resistor
Excellent rf characteristics for high speed pulse operation
Rush current protection
PV, UPS and motor control inverters