Through-hole resistors
Circuit Breaker &
Axial Lead Type
Fiberglass Cement Resistors
Normal Style [ FSP Series ]
FEATURES
Power Rating
1.2W, 1.5W, 2W, 2.5W, 3W, 4W, 6W
Resistance Tolerance
±5%, ±10%
T.C.R.
-80~+500ppm/°C
DERATING CURVE
TEMPERATURE RISE
INTRODUCTION
150
The FSP Series Fiberglass Cement Resistors
are wound on fibre glass core, have a special
internal direct contact to virtually eliminate
resistance changes caused by varying, often high
temperatures. It offers a circuit-breaker function
when overload is applied.
25
120 150 250 200 300 400
600
150 °C
Temperature Rise
Rated Load (%)
100
80
60
40
20
100
50
(°C)
20
40
60
80
0
100 120 140 160
2
4
6
8
10
12
14
Power Rating
Ambient Temperature (°C)
DIMENSIONS
16
[W]
Unit: mm
+0,2
2
10,000M
Solderability
IEC 60115-1 4.17
245±5°C for 3±0.5 Sec.
95% Min. coverage
Solvent Resistance of Marking
IEC 60115-1 4.30
IPA for 5±0.5 Min. with ultrasonic
No deterioration of
coatings and markings
Robustness of Terminations
IEC 60115-1 4.16
Direct load for 10 Sec. in the direction of the terminal leads
≥50N
Periodic-pulse Overload
IEC 60115-1 4.39
4 times RCWV 10,000 cycles (1 Sec. on, 25 Sec. off)
±2.0%+0.05Ω
Damp Heat Steady State
IEC 60115-1 4.24
40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV
±2.0%+0.05Ω
Endurance at 70°C
IEC 60115-1 4.25
70±2°C at RCWV (or Umax., Whichever less) for 1,000 Hr. (1.5Hr.on, 0.5Hr. Off) ±3.0%+0.05Ω
Temperature Cycling
IEC 60115-1 4.19
-55°C Room Temp. +155°C Room Temp. (5 cycles)
±2.0%+0.05Ω
Resistance to Soldering Heat
IEC 60115-1 4.18
260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body
±0.2%+0.05Ω
Note: RCWV(Rated Continuous Working Voltage) = Power Rating x Resistance Value or Max. working voltage listed above, whichever less.
Revision: 2020
Product specification
Through Hole Resistors
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