TRF250-400 PPTC Resettable Fuse 250V 400mA – Tyco Raychem Polyfuse for Circuit Protection

TRF250-400 PPTC Resettable Fuse 250V 400mA – Tyco Raychem Polyfuse for Circuit Protection

The TRF250-400 PPTC Resettable Fuse from Tyco Raychem is a reliable solution for low-to-medium current, high-voltage circuit protection. With a 250V voltage rating and 400mA hold current, it effectively limits excess current during overloads or short circuits and automatically resets once the fault condition is cleared.

Built using advanced PPTC (Polymeric Positive Temperature Coefficient) technology, this polyfuse provides a maintenance-free and cost-effective alternative to traditional fuses. Its compact, PCB-friendly design ensures easy integration into modern electronic systems, making it suitable for industrial, telecom, and consumer applications.

Key Features

• Hold current: 400mA (0.4A)
• Voltage rating: 250V
• PPTC resettable fuse technology
• Automatic reset after fault removal
• Fast response to overload and short circuits
• Compact PCB mounting design
• High reliability and long service life
• Trusted Tyco Raychem quality

Applications

• Power supply and protection circuits
• Telecom and communication systems
• Industrial control equipment
• Signal and interface protection
• Consumer electronics
• DIY and embedded projects

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Raychem Little Fuse Datasheet

*Product image for illustration purposes only, actual product may vary.