Ohmite Manufacturing Co.

Radial-Fin Heat Sink Extrusions target LED light engines.
Electronic Components & Devices

Radial-Fin Heat Sink Extrusions target LED light engines.

Made of black anodized aluminum, 19000 Series features radial-fin geometry optimized for natural convection. Five models are available with power ratings of 42.8, 26.3, 9, 4.5, and 24 W and corresponding thermal resistances of 0.68, 1.15, 2.38, 3.27, and 1.15 C/W. Expected temperature rise above ambient ranges from 14.7°C max for 4.5 W model to 29.2°C for 42.8 W unit. Available in...

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Electronic Components & Devices

Adaptable Heatsinks accommodate TO-264 devices.

C-series heatsinks feature camming clips that eliminate need for mounting holes and screws and provide same amount of force after repeated use. They are now offered in 30, 58, and 85 mm for TO-264 packages. Series is also offered in 25, 50, and 75 mm lengths for TO-220 and TO-247 devices, and TO-126 heatsinks are offred in 25 mm for single clip and 40 mm for 2 clips. Custom lengths and clip...

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Heatsinks are designed for TO-264 devices.
Electronic Components & Devices

Heatsinks are designed for TO-264 devices.

At 27 mm long, MV/MA 101 and 301 heatsinks hold 2 TO-264 devices with single spring clip. This eliminates need for mounting holes and screws and provides same amount of force after repeated use. At 38 mm tall, R2 Series is offered in TO-264 configuration with cam-clip that secures device without mounting holes or screws. W Series, featuring integrated spring clip, is also designed to secure...

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Aluminum Heatsinks incorporate extra fins on rear.
Electronic Components & Devices

Aluminum Heatsinks incorporate extra fins on rear.

Measuring 38 mm tall x 35.2 mm wide, R Series Heatsinks utilize cam-clip, which eliminates need for screw hole. Since no screws are required for device mounting, additional fins can be added to rear side of heatsink for maximum total surface area and optimal thermal performance. Designed to attach TO-220 or TO-247 components, clip has self-aligning features and provides same amount of force after...

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Thick Film Chip Resistors handle up to 3,000 V.
Electronic Components & Devices

Thick Film Chip Resistors handle up to 3,000 V.

Supplied in 0805, 1206, and 2512 package sizes, HVC Series includes 23 models with resistance values from 100 kW to 100 GW, standard TCR of 100 ppm, and standard tolerance of 5%. Voltage coefficients range from 10-100, depending on resistance value. Operating from -55 to +155°C, wrap around terminal chip resistors have matte tin contact with nickel barriers. Units do not contain organic...

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Heat Sinks suit high power density applications.
Electronic Components & Devices

Heat Sinks suit high power density applications.

Measuring 2.2 in. across x 1.71 in. tall, MV/MA 302 Series uses 2 internal spring clips for mounting up to four TO-247 or TO-264 devices, eliminating need for mounting holes and screws. Units are constructed of aluminum alloy 6063-T5 or equivalent with either degreased or black anodized finish. Four models are available with thermal resistance of 6.0, 5.2, 3.6, and 3.0°C/W.

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Mergers & Acquisitions

Ohmite Manufacturing Acquires Arcol UK, Ltd

Chicago, IL – Ohmite Manufacturing Company headquartered in Chicago Illinois, a wholly owned subsidiary of Heico Company, LLC, has acquired Arcol UK, Ltd of Truro, England. The acquisition solidifies Ohmite’s global presence in the power resistors market and establishes a manufacturing presence in Europe upon which to grow. Ohmite’s President Greg Pace says of the acquisition, “The...

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Radial-Fin Heat Sink Extrusions target LED light engines.
Electronic Components & Devices

Radial-Fin Heat Sink Extrusions target LED light engines.

Made of black anodized aluminum, 19000 Series features radial-fin geometry optimized for natural convection. Five models are available with power ratings of 42.8, 26.3, 9, 4.5, and 24 W and corresponding thermal resistances of 0.68, 1.15, 2.38, 3.27, and 1.15 C/W. Expected temperature rise above ambient ranges from 14.7°C max for 4.5 W model to 29.2°C for 42.8 W unit. Available in...

Read More »
Electronic Components & Devices

Adaptable Heatsinks accommodate TO-264 devices.

C-series heatsinks feature camming clips that eliminate need for mounting holes and screws and provide same amount of force after repeated use. They are now offered in 30, 58, and 85 mm for TO-264 packages. Series is also offered in 25, 50, and 75 mm lengths for TO-220 and TO-247 devices, and TO-126 heatsinks are offred in 25 mm for single clip and 40 mm for 2 clips. Custom lengths and clip...

Read More »
Heatsinks are designed for TO-264 devices.
Electronic Components & Devices

Heatsinks are designed for TO-264 devices.

At 27 mm long, MV/MA 101 and 301 heatsinks hold 2 TO-264 devices with single spring clip. This eliminates need for mounting holes and screws and provides same amount of force after repeated use. At 38 mm tall, R2 Series is offered in TO-264 configuration with cam-clip that secures device without mounting holes or screws. W Series, featuring integrated spring clip, is also designed to secure...

Read More »
Aluminum Heatsinks incorporate extra fins on rear.
Electronic Components & Devices

Aluminum Heatsinks incorporate extra fins on rear.

Measuring 38 mm tall x 35.2 mm wide, R Series Heatsinks utilize cam-clip, which eliminates need for screw hole. Since no screws are required for device mounting, additional fins can be added to rear side of heatsink for maximum total surface area and optimal thermal performance. Designed to attach TO-220 or TO-247 components, clip has self-aligning features and provides same amount of force after...

Read More »
Thick Film Chip Resistors handle up to 3,000 V.
Electronic Components & Devices

Thick Film Chip Resistors handle up to 3,000 V.

Supplied in 0805, 1206, and 2512 package sizes, HVC Series includes 23 models with resistance values from 100 kW to 100 GW, standard TCR of 100 ppm, and standard tolerance of 5%. Voltage coefficients range from 10-100, depending on resistance value. Operating from -55 to +155°C, wrap around terminal chip resistors have matte tin contact with nickel barriers. Units do not contain organic...

Read More »
Heat Sinks suit high power density applications.
Electronic Components & Devices

Heat Sinks suit high power density applications.

Measuring 2.2 in. across x 1.71 in. tall, MV/MA 302 Series uses 2 internal spring clips for mounting up to four TO-247 or TO-264 devices, eliminating need for mounting holes and screws. Units are constructed of aluminum alloy 6063-T5 or equivalent with either degreased or black anodized finish. Four models are available with thermal resistance of 6.0, 5.2, 3.6, and 3.0°C/W.

Read More »
Mergers & Acquisitions

Ohmite Acquires 2 Vishay Businesses

Rolling Meadows, Illinois - January, 2007 - Ohmite Manufacturing Company announced today that they have acquired both the Ultronix Precision Wirewound Resistor and Angstrohm Rheostat Businesses of Vishay Intertechnology, Inc. Ultronix is a Pennsylvania-based manufacturer of precision wirewound resistors. Angstrohm, based in Hagerstown, MD, is a manufacturer of wirewound rheostats. It is...

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