Details

RB Series Thick Film Power Resistors:If you are using popular aluminum housed resistors, look no further than the RB series extruded heatsinks to complete your design. Each heatsink is drilled and tapped to the standard pattern for these popular resistor types.

Features

• Extruded aluminium housing provides superior heat conduction.
• Housing deep finned for maximum heat dissipation at natural or forced air convection.
• Gold anodized finish for maximum resistance to environmental conditions.
• Special thermosetting compound with high thermal conductivity.
• Winding designed to give maximum core coverage and uniformity for even heat dissipation.
• Core centerless ground for maximum winding uniformity.
• Marking at top surface for easy identification after mounting.
• Complete welded construction terminal to terminal.

ATE Electronics RB resistors are heatsink-cooled power resistors in extruded aluminum housings that provide superior heat conduction. A gold-anodized finish delivers maximum resistance to adverse environmental conditions. The resistor housings feature deep fins for natural and forced-air convection-enhanced cooling. When operating at maximum values, RB resistors require a heatsink.

RB resistors feature a wire-wound construction with unique thermosetting compounds for high thermal conductivity. The main resistive element is Copper-Nickel or Nickel-Chrome alloy. The resistor winding is designed for maximum core coverage and provides uniform heat dissipation.

When mounted on a heatsink, power ratings for the RB series range from 12 to 250 Watts. The peak voltage limit varies with resistance and ranges from 265 Volts for the 6 Watts rated convection cooled resistors to 2300 Volts for the 250 Watts rated heatsink cooled resistors. RB resistors can sustain five times the rated power for 5 seconds.

Much smaller than standard parts of the same wattage, Heatsinkable resistors release their heat in one plane. The single side is attached to a heatsink and the heat generated is absorbed. Once the heat is absorbed it is released into the air through the heatsink. Although much smaller, they require the use of a heatsink to achieve the wattage advertised. The mass required by adding a heatsink is often similar to that of a resistor designed for use without the aid of a heatsink.

ATE Electronics RB resistors meet or exceed the requirements of MIL - PRF - 18546 G specifications. RB resistors are IP00 rated and are designed for control cabinet mounting.

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