Datasheet Summary
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Vishay BCponents
PTC Thermistors, Overload Protection for Telemunication
QUICK REFERENCE DATA
PARAMETER
VALUE
Maximum voltage (RMS or DC)
220 to 600
Maximum holding current (Int) Resistance at 25 °C (R25) Tolerance on R25 value Maximum overload current Iol Tripping time at 1 A
100 to 175 8 to 50 15 to 25
0.6 to 10.0 1 to 40
Operating temperature range at max. voltage
0 to 70 (95)
UNIT VRMS mA
Ω % A s
°C
Features
- Wide resistance range in tele area from 4 Ω to 70 Ω
- Fast protection against power contact faults
- Withstand high overload currents of up to 10 A
- High voltage withstanding capabilities for the larger sized thermistors (up to 600 V)
-...
