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TRF250-040 250V 40mA Tyco Raychem PPTC Resettable Fuse

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Description

The TRF250-040 is a Polymeric Positive Temperature Coefficient (PPTC) resettable fuse designed to protect circuits operating at 250V AC. It features a hold current of 40mA and provides reliable protection against overcurrent conditions. This fuse automatically resets once the overcurrent condition is cleared, making it a cost-effective and maintenance-free solution for protecting sensitive electronic components. It is ideal for applications where overcurrent protection is essential, yet the circuit requires a relatively low current.

Features

  • Self-Resetting: After the overcurrent condition is cleared, the fuse resets automatically, eliminating the need for manual intervention or replacement.
  • High Voltage Rating: Rated for 250V AC, suitable for high-voltage applications and offering enhanced protection for a range of devices.
  • Moderate Hold Current: The fuse has a 40mA hold current, providing protection for circuits with a higher current requirement than the 30mA variant, while still protecting against overcurrent events.
  • Quick Response: Designed to respond rapidly to overcurrent events, ensuring that sensitive components are protected from excessive current quickly.
  • Compact Design: Small and efficient, this fuse fits into a variety of designs where space is limited.
  • Durability: Offers long-term protection and reliability, capable of withstanding multiple overcurrent incidents without requiring replacement.
  • Certified: UL, CSA, and other standard certifications ensure that the fuse meets industry safety and performance requirements.

Specifications

  • Type: PPTC Resettable Fuse
  • Voltage Rating: 250V AC
  • Hold Current (I_hold): 40mA
  • Trip Current (I_trip): 80mA
  • Maximum Fault Current (I_max): 5A
  • Initial Resistance (Râ‚€): 0.10Ω (typical)
  • Resistance Post-Trip (Râ‚œ): 1Ω (typical)
  • Power Dissipation (P_d): 0.6W (maximum)
  • Operating Temperature: -40°C to +85°C
  • Form Factor: Radial leads for through-hole mounting
  • Certifications: UL recognized, CSA certified, RoHS compliant

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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