frequently asked questions

Ohmite primarily manufactures power resistors in wirewound, ceramic, and thick film constructions. We have both standard and custom products available for customers. We also sell heatsinks that complement many of our resistor offerings. 

Ohmite's corporate headquarters is in Warrenville, Illinois. Our primary manufacturing facility is in Matamoros, Mexico, and we have a shipping facility in Brownsville, Texas. Our Arcol brand operates out of Truro, England. 

Ohmite datasheets can be found on our product detail pages or in our catalog. Please search the part you're looking for or use the menus above.

Ohmite's product catalog covers from fractions of one watt all the way up to thousands of watts, and our load banks can handle many more. If you don't see a product with a power rating for your design, reach out to Ohmite and we can help you find a solution.

Yes, Ohmite has broad ranges of customizations for our resistor offerings. If you need a customization, please contact us directly.

On Ohmite's contact us page, there is an option to reach out to our technical support team, and they will get back to you as soon as possible.

Many of Ohmite's products are RoHS compliant. Any Ohmite part number that ends with the letter E is RoHS compliant. You can also view our compliance page to find more information about other certifications for our products.

Ohmite is certified in ISO 9001:2015, IATF 16949, AS9100D, and is compliant for both RoHS and Reach standards.

Ohmite products can be used in many applications. But most customers work with us because of our wide range of solutions for high power, high energy, and high voltage applications.

Ohmite serves many industries. But we primarily work with customers in the Transportation, Industrial, Medical, Military/Aerospace, and Energy industries. But if you're not in those industries, our products can still work for you.

Yes, Ohmite offers customization options for most of our resistor catalog. We are also able to develop brand new products for our customers depending on the situation. Please contact Ohmite if you're interested in a custom resistor solution.