FKU, FRU Series Cement Resistor with Thermal Cut-offs include Metal Oxide type and Wirewound type, Cement Resistor with Thermal Cut-offs is specially sharp fusing characteristics, low cost and easy handling for one box type, space saving type, excellent anti-surge characteristics. Applications are widely used in Switching regulators, Video adapters or safety circuit in electrical equipment, etc..

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General Specifications
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
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Electrical Performance
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
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 1Ω
10R 10Ω
100R 100Ω
1KR 1000Ω
Resistance Tolerance
J ±5%
K ±10%
Packaging
P Bulk

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