THERMAL CUT-OFFS RESISTORS

Cement Thermal Cut-offs Resistors

FKU/FRU

Thermal cutoffs are the fuse component for overheat protection, FKU (Wirewound Type), FRU (Metal Oxide Type) Series from Tokenchina are designed to detects the heat produced by excess current which is created by short circuit or any other troubles of the components in circuits.

FKU, FRU Series is RoHS compliant. Detailed specifications, both mechanical and electrical, please contact our sales representative for more information.

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Features

  • Excellent anti-surge characteristics
  • Accurate fusing characteristics
  • A Low cost and easy handling
  • Space saving design

Applications

  • Video adapters
  • Switching regulators
  • Safety circuit in electrical equipment

Specifications - Thermal Cutoff FKU/FRU

thermal cut-offs,fusible,resistor,metal oxide,wirewound thermal cut-offs,fusible,resistor,metal oxide,wirewound
Type Dimension (mm)
W ± 1 D ± 1 H ± 1.5 RM+2/-1 h D1(R terminal) D2(F terminal)
FKU/FRU-5M 13 9 25 5 4.5±1 0.8±0.1 2A:0.6 ±0.1
10A:1.0 ±0.1
FKU/FRU-7M 13 9 38 5
FKU/FRU-10M 16 12 35 7.5

Electrical Characteristics - Thermal Cut-offs FKU/FRU

Fusing Temperature Protector Rated Power
at 25°C (W)
Resistance Range
(Ω)
Tolerance
(%)
MARK Fusing
Temperature(°C)
Standard Current(A) Standard Voltage(V) 5M 7M 10M FKU FRU FKU FRU
A 109+1/-3 10 250 1.2 1.4 2.0 1~100 110~10K J(±5)
K(±10)
J(±5)
B 129±4 1.6 2.0 2.5
C 152±4 1.6 2.0 2.5
D 188+3/-1 2.0 2.4 3.5
E 226+1/-3 2.0 2.4 3.5
F 95+3/-0 2 0.8 1.2  
G 110±4 1.2 1.4  
H 126±4 1.4 1.6  
N 130±4 1.6 2.0  
M 145±4 2.1 2.4  

How to Order - Thermal Cut-offs FKU/FRU

FRU - 5M A 5R K P
Product Type
FRU Metal Oxide type
Thermal Cut-offs
FKU Wirewound type
Thermal Cut-offs
Dimension Style
5M
7M
10M
Thermal Cut-offs
A109+1/-3°C
B129±4°C
C152±4°C
D188+3/-1°C
E226+1/-3°C
F95+3/-0°C
G110±4°C
H126±4°C
N130±4°C
M145±4°C
Resistance Value
1R
10R 10Ω
100R 100Ω
1KR 1000Ω
Resistance Tolerance
J ±5%
K ±10%
Packaging
P Bulk

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FKU/FRU Series - Cement Thermal Cut-offs Resistors