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 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...
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 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...
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 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...
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 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 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...
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 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...
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...
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...
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...
Available in three sizes (1206, 2512, and 2728) the PCS Series offers low resistance values to 0.50mΩ. This product provides users with high precision current sensing and voltage division. It...
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...
F e a t u r e s Low Resistance / TCR / Inductance Excellent long-term stability High precision current sensing High power capability Halogen free and lead free RoHs...
Ohmite has the solution for high wattage surface mount chips. The ALN series thick film chips offer 3.5 watts of power dissipation in a 2512 package size. This is accomplished...
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...
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...
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...
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...
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...
Ohmite's FK/GK Series is a low-resistance, 4-terminal element resistor with a power rating up to 5W. This product offers excellent long-term stability and is ideal for mounting on DCB/IMS substrates.
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...
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...
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...
The CS10 Series utilizes state of the art technology to achieve highly reliable non-inductive performance. The CS10 is ideal for current monitoring and control applications. The 4 terminal Kelvin connect...
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...
The Ohmite FSR series exhibits the unique characteristic of dynamic resistance related to the amount of applied force. In general, the more force applied to the surface of the sensor,...
The Ohmite JR series high current jumpers are rated up to 100 amps and provides a max resistance range of 0.5m to 0.2m ohms. This minimizes effects on the designed...
The Ohmite LVT series is s metal alloy strip resistor providing good TCR ratings. Low value stability is important when using a current sense resistor. The LVT offers TCR ratings...
The TDH50 is a D2PAK surface mount device capable of high wattage dissipation with the proper heatsink and thermal considerations. The Ohmite D series heatsinks with the TDH50 presents a...
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...
The TGHD series features a ceramic flat type base. The 100W power dissipation require an air-cooled heatsink or water-cooling to reach peak performance. Look for the Ohmie VX series heatsinks...
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...
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...
The TX series is the first thermistor released by Ohmite. The TX series is avaiable in 3 sizes (0402,0603, and 0805). The B-constant of the TX series is taken at...
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...
Using the SOT-227 package, the TGHD series features flat type, 100W high power resistors that require an air-cooled heatsink or water-cooling to reach peak performance. These resistors are offered either...
When precision and stability are required, look for the MOX700 series from Ohmite. The MOX700 is an axial leaded resistor with molded construction with standard tolerances down to 0.1% with...