J201, J204 Series
Self-Protecting Power Resistors
EPCOS Inc
PTC thermistors in plastic case.
Datasheets:
Product Training Modules:
Features
- Self-protecting in case of malfunction of short-circuit relay or internal short-circuit of capacitor
- Encased thermistor disk with clamp contacts
- For high pulse currents and a high number of operating cycles
- Flame-retardant plastic case
- Case material UL-listed
- Sn-plated lead-free solder pins
- Manufacturer's logo and type designation stamped on in white
- Inrush current limiter (charging resistor) for smoothing and DC link capacitors
- To replace high-power fixed resistors for capacitor charging
Specifications
- Current - Steady State Max:20A ~ 50A
- Lead Spacing:0.400" (10.16mm)
- Packaging:Bulk
- R @ 25°C:20 Ohm ~ 100 Ohm
Parts
![]() | B59201J0140B010 | THERMISTOR PTC 20 OHMS 550V | 20 Ohm | - | 50A | ±30% | ![]() |
![]() | B59204J0130B010 | THERMISTOR PTC 100 OHMS 800V | 100 Ohm | - | 20A | ±25% | ![]() |
Comments

Quick Links:












