PTC Resettable Fuse JK250-400V        

PTC Resettable Fuse JK250-400V        

The JK250-400V is a resettable PTC (Positive Temperature Coefficient) fuse designed for overcurrent protection in high-voltage applications up to 400V. It automatically resets after fault conditions are cleared, eliminating the need for manual fuse replacement. Ideal for use in AC power supplies, LED lighting, and industrial equipment, this device helps protect circuits from overcurrent and short-circuit faults. Compact and reliable, it offers long-term thermal stability and fast response to overcurrent events.

DNA solutions, Nashik has various types of Fuse's. Check out our complete collection of Fuse's.

• Resettable Protection: No need to replace after tripping

• High Voltage Rating: Up to 400V AC

• Current Ratings Available: Various hold/trip currents 

• Fast Response: Quickly limits current during faults

• Wide Temperature Range: Typically –40°C to +85°C

• Compact Design: Suitable for PCB mounting

• RoHS Compliant: Environmentally friendly component

Specifications of PTC Resettable Fuse JK250-400V        

• Hold Current: 250 mA

• Trip Current: ~500–600 mA

• Maximum Voltage: 400V AC

• Maximum Current: 3-10A

• Mounting Type: Radial lead or SMD 

• Reset Time: Seconds to minutes

Applications of PTC Resettable Fuse JK250-400V        

• LED driver and lighting circuits

• Power adapters and chargers

• Industrial control systems

• Telecom equipment

• Consumer electronics

Package Includes 

      1 x PTC Resettable Fuse JK250-400V