Ohmite Manufacturing Co. Datasheets for Power Resistors

Power resistors are used in power generation and distribution, high-voltage applications, control systems, and other power system applications. They include load banks, grounding resistors, and dynamic braking resistors.
Power Resistors: Learn more

Product Name Notes
‘Thin’ Stackohm® Vitreous Enamel Power Resistor -- 250 Series ‘Thin’ Stackohm® Vitreous Enamel Power When limited space is a consideration, choose Ohmite’s “thin” stackable 250 Type resistors. These oval-shaped ceramic-core resistors feature a low profile to permit installation in...
Thick Film Power Resistor,120 and 200 Watt SOT227 Package -- TGH Series 120 and 200 Watt SOT227 Package Thick Film Power Due to their non-inductive design, these resistors are ideally suited for high-frequency and pulse-load applications. Available in 120- or 200-watt sizes,...
Dividohm® Vitreous Enamel Adjustable Power Resistor -- 210 Series Dividohm® Vitreous Enamel Adjustable Power Choose Ohmite’s 210 Type adjustable resistors for applications requiring settings at different resistance values. These wirewound resistors are equipped with an adjustable lug, making them...
Thick Film Power Chip Resistor -- TA Series Power Chip Thick Film on Alumina Substrate Ohmite’s original Power Chip resistors feature our thick film on alumina substrate technology. These planar packages yield space saving, 10W/in2 power densities that...
Precision Power Thick Film Resistor -- Power-Mox Series Precision Power Thick Film High Voltage/High Resistance Tubular The heavy duty construction of the Power-Mox series make them durable in most high voltage industrial applications. This product is well known...
Modular Heat Sinkable Thick Film Power Resistor -- TL Series TL Series Modular Heat Sinkable Thick Film Power The TL Series add heat sinkable options to the thick film resistor family. The resistor element is packaged with plastic insulators, and...
Vitreous Enamel Power Resistor -- 270 Series Vitreous Enamel Power Select 270 Type fixed resistors for applications requiring wattage ratings from 12 to 1000 watts. The 270 Type resistors are equipped with lug terminals suitable for soldering...
Aluminum Housed Wirewound Power -- WFH Series Aluminum Housed Wirewound Power Ohmite’s new flat core winding technology allows for wirewound heatsinkable resistors affording a very low profile, and superior thermal transfer characteristics when compared to conventional aluminum...
ARCOL 100W TO-247 High Power Resistors -- AP101 Series Features: 100 watts at 25°C case temperature heat sink mounted TO-247 style power package Single screw mounting to heat sink Mou lded case for protection Elec trically isolated case Non-Inductive...
Ultra Low Profile Power Resistor -- IS Series Resistor Ultra Low Profile Power Resistors The Ohmite IS series offers up to 270 watts in a heatsinkable design. Thick film construction provides low inductance. Thick film is printed on flat...
ARCOL 30 Watts TO-220 High Power Resistors -- AP830 Series A high power TO-220 style resistor package designed for high frequency emitter circuits in switching power supplies. Also used in voltage regulation and low energy pulse loading. 30 Watts at...
ARCOL 35 Watts TO-220 High Power Resistors -- AP836 Series A high power TO-220 style resistor package designed for high frequency emitter circuits in switching power supplies. Also used in voltage regulation and low energy pulse loading. 35 Watts at...
ARCOL 35 Watts TO-220 High Power Resistors -- AP851 Series A high power TO-220 style resistor package designed for high frequency emitter circuits in switching power supplies. Also used in voltage regulation and low energy pulse loading. 50 Watts at...
Thick Film Power Surface Mount Resistor, 35 Watt DPAK Package -- TDH35 Series Designed from the TCH35 series, the TDH35 is a surfacemount device capable of high wattage dissipation with the proper heatsink and thermal considerations. The Ohmite D series heatsinks with the...
Thick Film Power Resistor for High Frequency and Pulse Loading Applications, 100 Watt -- TEH100 Ohmite offers the totally encapsulated and insulated TO-247 package for low ohmic value and non-inductive design for high-frequency and pulsing applications. Ideal use is for power supplies. This series is...
Brown Devil® Vitreous Enamel Power Resistor -- 200 Series Ohmite’s 200 series Brown Devil® is a small, exceptionally durable power resistor. It features all-welded construction and rugged, flame resistant conformal lead free vitreous enamel coating to ensure successful performance...
Thick Film Power Resistor, 20 Watt TO220 Package -- TAH20 Series Ohmite’s TAH20 TO220 package resistor provides 20W of steady state power when properly used in today’s well defined heat sink applications. The TAH20 is completely encapsulated and insulated from the...
Thick Film Power Resistor, 25 Watt TO220 Package -- TBH25 Series Ohmite’s TBH25 TO220 package resistor provides 25W of steady state power when properly used in today’s well defined heat sink applications. The TBH25 series is created with low inductance and...
Thick Film Power Resistor, 35 Watt TO220 Package -- TCH35 Series Ohmite’s TCH35 TO220 package resistor provides 35W of steady state power when properly used in today’s well defined heat sink applications. These very low induction resistors are built under proprietary...
650 Watt Heat Sinkable Planar Resistor -- TAP650 Series Ohmite's TAP650 delivers 650 watts of reliable power to a variety of power conditioning, power transmission, and power control applications. These resistors can be designed for liquid or air cooled...
High Power SMD Wirewound Resistor -- RW5 and RW7 Series Omite has used its thermal management expertise to produce a unique resistor design. The resistor body incorporates fins identical to a heatsink. These fins, as with a heatsink, increase the...
ARCOL 20W TO-263 Power Resistor -- AP101 Series
ARCOL 20W TO-263 Power Resistor -- AP725 Series
The ARCOL AP725 provides power dissipation up to 20 watts with a proper heatsink. The thick film on substrate design contains low inductance. This substrate is molded in to a...
Current Sensing Metal Chip Resistors -- LVM Series The LVM series of SMD resistors are designed for current sense circuits in power elecrtronics.The LVM series is designed for automatic insertion and carry a high overload rating. Metal foil...
ARCOL Stainless Steel Power Resistors -- TFBR Series The TFBR series provides high power density in a low profile package. Designed for easy assembly and supplied with a variety of terminal styles, the film technology lends itself to...
Ceramic Housed Axial Terminal Power Resistor -- TUM/TUW Series The TUM/TUW Series resistors are Ohmite’s most economical power resistors. Sizes up to 15 watts and resistance values up to 150K ohms are available. Two constructions are used to obtain...
Ceramic Housed Radial Terminal Power Resistor -- TWM/TWW Series The TWM/TWW series radial terminal power resistors offer significant board space savings over axial terminal products and keep generated heat away from the circuit board. They are recommended for commercial...
Low-TCR Current Sense Chip Resistors -- LVR Series Using specialized material compositions, the LVR Series current sense chips achieve great stability that exceeds the competition. This advantage is produced in industry standard 0201 and 0402 chip sizes.The LVR...