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TRF250-145U - Radial Leaded Resettable PPTC

Download the TRF250-145U datasheet PDF. This datasheet also covers the TRF250-055T variant, as both devices belong to the same radial leaded resettable pptc family and are provided as variant models within a single manufacturer datasheet.

General Description

Our PolySwitch® families of telecommunications and networking devices help meet the growing demand for resettable overcurrent protection.

Key Features

  • & Benefits.
  • Resettable overcurrent protection.
  • Fast time-to-trip.
  • Resistance sorted and matched devices available.
  • Low parasitic capacitance/flat impedance with frequency.
  • Recognized to UL 1434, approved to CSA TIL No. CA-3A and EN 60730-1. Electrical Characteristics Part Number Ordering IH Part Number (A) IT VMAX Operating Interrupt IMAX Interrupt PD Typ Max Time-to-trip RMIN RMAX R1MAX (A) (VDC) (VRMS) (A) (W) (A) (s) (Ω) (Ω) (Ω) TRF250-055T RF1968.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TRF250-055T-Littelfuse.pdf) that lists specifications for multiple related part numbers.

Other Datasheets by Littelfuse

Part Number Description
TRF250-145U Radial Leaded Resettable PPTC
TRF250-145 Radial Leaded Resettable PPTC
TRF250-145 Radial Leaded Resettable PPTC
TRF250-145T Radial Leaded Resettable PPTC
TRF250-145T Radial Leaded Resettable PPTC
TRF250-110U Radial Leaded Resettable PPTC
TRF250-110U Radial Leaded Resettable PPTC
TRF250-120 Radial Leaded Resettable PPTC
TRF250-120 Radial Leaded Resettable PPTC
TRF250-120S-B-0.5 Radial Leaded Resettable PPTC

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TR Series Radial Leaded Additional Information Resources Accessories Samples Agency Approvals Agency Agency File/Certificate Number E74889* 78165* 72161780* * See Electrical Characteristic Table for approved part numbers. PolySwitch® Resettable PPTC Datasheet RoHS Description Our PolySwitch® families of telecommunications and networking devices help meet the growing demand for resettable overcurrent protection. These product families help provide protection against damage caused by power cross and power induction surges as defined in ITU, Telcordia GR1089 and IEC 62368-1. Our offering includes chip, surface-mount and radial-leaded configurations.