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- Ohmite Manufacturing Company has been a leading provider of resistors for high current, high voltage and high energy applications for over 80 years. Our full complement of products includes wirewound, wire element, thick film, and ceramic composition resistors, in addition to variable voltage controls and heatsinks.

Newest Products View All (51)

Image of Ohmite's PA and PV Series Heatsinks

PA and PV Series Heatsinks

Ohmite's powerful forged pin heatsink for TO-220, TO-247, and TO-264 devices is designed to be through-hole soldered to the PCB for forced convection cooling.

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Image of Ohmite's CA Series Heatsinks

CA Series Heatsinks

Ohmite's CA series heatsinks are securely mounted to PCBs with through-hole soldering of the integrated solder feet.

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Image of Ohmite's ARG Series Wirewound Resistors

ARG Series Wirewound Resistors

Ohmite's ARG series resistors in aluminum (Al) case are suitable for power electronic circuits, such as motor control, braking, and frequency converters.

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Image of Ohmite's TEH140 Series Power Resistors

TEH140 Series Power Resistors

Ohmite’s TEH140 series power resistors have a thick film construction allowing for non-inductive, high-frequency, and pulsing application consideration.

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Image of Ohmite's SMU Series Trimmers

SMU Series Surface Mount Potentiometers

Ohmite's SMU series of surface mount potentiometers offer maximum power dissipation and adjustable resistance in a low-profile package.

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Image of Ohmite's LVT Series Low Value Current Sense Resistors

LVT Series Low-Value Current Sense Resistors

Ohmite's LVT series is constructed in a flip chip style to provide an economical current sense chip solution with excellent stability.

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Product Training Modules View All (4)


Current Sensing Resistors

Duration: 5 minutes

Summary and discussion of the full range of current sensing resistors offered by Ohmite including specifications, benefits, and applications.

Resistor 0.01 Ohm 5W 1% Axial

High Voltage Resistors

Duration: 5 minutes

Ohmite’s high voltage resistor product offerings include Mini Mox, Maxi Mox, Super Mox, Slim Mox, HVF, and Macrochip series.

Cabinet Product

Cabinet Products

Duration: 5 minutes

Cabinet types and kits from Ohmite including resistor and heatsink cabinets.

Heatsink Power Dual Black TO-220

Quick Heatsink Guide

Duration: 5 minutes

Calculate heatsink and see heatsink components from Ohmite that are appropriate for applications requiring different wattage and mounting options.

Featured Videos View All (4)

Ohmite TEH140 Series Power Resistors | Digi-Key Daily

TEH140 series from Ohmite is a wholly encapsulated and insulated TO-247 package resistor. The thick film construction allows for non-inductive, high-frequency, and pulsing application consideration.

Publish Date: 2019-05-07

Ohmite Company Overview

A brief overview of services offered by Ohmite.

Publish Date: 2016-01-21

Heatsink Calculations: choosing a heat sink for industry standard package sizes

This vodcast discusses the steps taken and calculations made when choosing a heatsink for industry standard package sizes.

Publish Date: 2012-06-08

Heatsink Overview

This vodcast reviews the various types of heatsinks that Ohmite manufactures and explains their features and benefits.

Publish Date: 2012-06-08

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