TOKEN
FKU/FRU Thermal Cut-offs Resistors
Thermal Cut-offs
Resistors
Cement Resistors with Thermal Cut-offs - FKU/FRU Series
Ultimate Protection Thermal Cutoffs
for High Power Applications
Preview
Fast-acting protection device for high-power applications combines thermal fuse element and resistor on a single
substrate.
Token offers FKU (Wirewound Resistor + Thermal Cut-offs) and FRU (Metal Oxide Film Resistor + Thermal
Cut-offs) two Series, both are a new concept in thermal fuse technology and are designed to protect against over-
heating in electrical products.
The two active components, a thermal cutoff is a fusible alloy and a resistor is a voltage divider, both are
surrounded by a ceramic cement with special resin. Under normal operating temperatures the fusible alloy joins
the two lead wires within the body of the cutoff and the power resistor acts as a normal function resistor. When
the preset temperature of the cutoff is reached, the fusible alloy melts and with the aid of the special resin,
complete cutoff is ensured.
By combining a thermal fuse element and resistor on a single substrate, Token has created a fast-acting ultimate
protection device for high power applications up to 10A/250V.
Resistance range of FKU Wirewound Type Thermal Cut-offs is 1Ω~100Ω and FRU Metal Oxide Film Type
Thermal Cut-offs is 110Ω~10KΩ. Both standard precision tolerance is J(±5%).
Our custom solutions are designed to address your need for technical and economic success in a timely manner.
Contact us with your specific needs.
Features
- Miniature size
- Radial leaded form
- Accurate fusing temperature
- Various temperature settings
- Current Rating: Up to 10Amp
- Products with Pb-free Terminations and RoHS compliant
- Economical by combining both function of a thermal fuse
and a pulse resistor
Applications
- Motors - fans, copiers, washing machines, air conditioners, compressors.
- Electronics - TVs, tape recorders, stereos, video recorders, fluorescent lamps, transformers, surge
suppressors, computers, telecommunication equipment.
- Appliances - electric blankets, space heaters, stoves, irons, hair dryers, cookers, toaster ovens, clothes
dryers, toasters, mixers, microwave ovens, crock pots.
Version 2010
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