Ohmite TEH100 Resistors

Ohmite 100 Watt TO-247 Thick Film Power Resistor
TEH 100 Series
for high frequency and pulse loading applications, ideal for power supplies

The Ohmite TEH100 Series 100 Watt TO-247 Thick Film Power Resistors offer low ohmic value and non-inductive design for high frequency and pulse loading application, especially power supplies. 100 Watt power rated at 25ºC case temperature, the TEH100 series features non-inductive performance and low thermal resistance. The resistors were designed for non-induction, RoHS compliance, and the resistor package is totally insulated from the heat sink. The Ohmite TEH100 Series 100 Watt TO-247 Thick Film Power Resistors have a molded housing for environmental protection and single screw mounting simplifies attachment to the heat sink.

Features

100 Watt power rating at 25ºC case temperature
Non-inductive performance
Low thermal resistance
RoHS compliant design
TO-247 package configuration
Single screw mounting simplifies attachment to the heat sink
A totally molded housing for environmental protection
Non-inductive design
Resistor package totally insulated from heat sink

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Test Data

Specifications

Material

Resistor: thick film on alumina
Case: high temperature plastic
Lead material: tinned copper
Installation, max. Torque: 0.9Nm using an M3 screw and a compression washer

Electrical

Derating: linear, 100% at 25ºC to 0% at 175ºC
Resistance range: 0.05Ω to 1MΩ, other values on request
Resistance tol.: ±1%, ±2%, ±5%, ±10%
Max. working voltage: 350V
Temperature Coefficient: ±50ppm/ºC for >10Ω, referenced to 25ºC, ΔR taken at +105ºC; others on request
Insulation Resistance: 10GΩ
Dielectric Strength: 1,800 VAC

W Series Heatsinks for TO-247

The unique design (patent pending) of the Ohmite W Series heat sinks combines a tin plated, solderable, integral spring clip with an extruded aluminum heat sink body for an all-in-one solution to through-hole mounting of TO-220 or TO-247 packages. These self-aligning heat sinks feature solderable feet and an integrated clip with 13.2 (lbf) of force on the center of the device to enhance thermal performance.

Heatsink 588-WA-T247-101E
Black anodized
Natural convection -
thermal resistance: Rs-a=7ºC/W

Heatsink 588-WV-T247-101E
Degreased
Natural convection -
thermal resistance: Rs-a=9ºC/W