Littelfuse TRF600 PolySwitch Resettable PPTCs

Littelfuse TRF600 600V PolySwitch resettable Polymeric Positive Temperature Coefficients (PPTC) are designed for telecom protection and offer a quick time-to-trip. These PPTCs are available in chip, surface-mount, and radial-leaded forms and protect against damage from power cross and induction surges. With a maximum temperature of operation at 85°C and an interrupt current rating of 3A, the Littelfuse TRF600 PPTCs are ideal for use in a wide range of network equipment and systems, as well as modems, telephones, and fax machines.

Features

  • Available in resistance-matched devices
  • Compliant with CSA TIL No. CA-3A and EN 60730-1
  • Faster time-to-trip
  • Low parasitic capacitance and flat impedance with frequency
  • Resettable current protection
  • Recognized to UL 1434 standards

Applications

  • Access network hardware
  • Alarm systems
  • Analog and digital line cards
  • Customer premise equipment
  • Fax machines

Technical Specifications

Parameters Values
Hold current range 0.4A to 0.25A
Trip current range 0.3A to 1A
Maximum voltage range 60V to 250V
Interrupt current 3A
Interrupt voltage 600V