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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 overheating 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 http://www.token.com.tw/ rfq token.com.tw 01 of 03 TOKEN W FKU/FRU Thermal Cut-offs Resistors D Rated Power (%) Power Derating Curve General Specifications (Unit: mm) 120 100 80 60 40 20 25°C H 5MM 5MN ФD1 RM ФD2 h 0 -40 -20 0 20 40 60 80 100 120 140 160 Ambient Temperature (°C) Type FKU/FRU-5M FKU/FRU-7M FKU/FRU-10M W±1 13 13 16 D±1 9 9 12 H ± 1.5 25 38 35 Dimension (mm) RM+2/-1 h D1(R terminal) 5 5 4.5 ±1 0.8±0.1 7.5 D2(F terminal) 2A:0.6 ±0.110A:1.0 ±0.1 Electrical Performance Fusing Temperature Protector MARK A B C D E F G H N M Fusing Standard Standard Temperature(°C) Current(A) Voltage(V) 109+1/-3 129±4 152±4 10 188+3/-1 226+1/-3 250 95+3/-0 110±4 2 126±4 130±4 145±4 Rated Power at 25°C (W) 5M 1.2 1.6 1.6 2.0 2.0 0.8 1.2 1.4 1.6 2.1 Resistance Range(Ω) FKU FRU Tolerance(%) FKU FRU 7M 1.4 2.0 2.0 2.4 2.4 1.2 1.4 1.6 2.0 2.4 10M 2.0 2.5 2.5 3.5 3.5 1~100 110~10K J(±5) K(±10) J(±5) 02 of 03 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN How to Order FKU/FRU Thermal Cut-offs Resistors FRU   Part Number Code 5M  Resistance Value A  10R  Code 1R 10R 100R 1K K  P   Resistance Value (Ω) Metal Oxide type Thermal Cut-offs Wirewound type Thermal Cut-offs Resistance Value (Ω) FRU FKU 1Ω 10Ω 100RΩ 1000Ω  Rated Power (W): 5M, 7M, 10M  Thermal Cut-offs (Ω) Code Thermal Cut-offs  Resistance Tolerance (%) Code J Resistance Tolerance (%) A B C D E F G H N M 109+1/-3°C 129±4°C 152±4°C 188+3/-1°C 226+1/-3°C 95+3/-0°C 110±4°C 126±4°C 130±4°C 145±4°C K  Package Code P ±5% ±10% Package Bulk Back to 1st Page - Thermal Cut-offs Resistors (FKU/FRU) Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 03