TFR Thermal-Fuse Built-in Cement Resistors

TFR Thermal-Fuse Built-in Cement Resistors
TFR 5W / 7W

TFR Thermal-Fuse Built-in Cement Resistors

A thermal fuse connected in series inside the cement body opens at a specified temperature if the resistor overheats due to a circuit fault, preventing fire at the source. An essential safety component for power supplies and motor drive stages.

Rated Power
5W / 7W
Operating Temp.
-55℃ ~ +155℃
T.C.R
Max ±260 ppm/℃
Dielectric Withstanding V.
500VAC

Features

  • Dual safety: series thermal fuse built in
  • Flame-proof cement filling
  • Standard 5W and 7W lineup

General Specifications

Type Rated Wattage Dimensions
TFR 5W5WW14 × L9.5 × H29 mm
TFR 7W7WW14 × L9.5 × H40 mm

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