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. 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
Win Source Part Number: 1361723-TRF250-120U
Category: Circuit Protection - PTC Resettable Fuses
Temperature Range - Operating: -40°C ~ 85°C
Fake Threat In the Open Market: 34 pct.
Type: Polymeric
MSL Level: 1 (Unlimited)
Mfr: Littelfuse Inc.
Series: PolySwitch®, TRF250
Package: Bag
Product Status: Active
Package / Case: Radial, Disc
Mounting Type: Through Hole
HTSUS: 8533.40.8070
Lead Spacing: 0.197" (5.00mm)
Size / Dimension: 0.236" L x 0.150" W (6.00mm x 3.80mm)
Height - Seated (Max): 0.394" (10.00mm)
ECCN: EAR99
Current - Max: 3 A
Approval Agency: CSA, TUV, UL
Current - Hold (Ih) (Max): 120 mA
Voltage - Max: 60V (250V Int)
Current - Trip (It): 240 mA
Time to Trip: 1 s
Resistance - Initial (Ri) (Min): 6 Ohms
Resistance - Post Trip (R1) (Max): 16 Ohms
California Prop 65: Warning Information
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT Product overview: TRF250-120U from Littelfuse is a Circuit Protection Fuse for overcurrent protection, power input protection, equipment safety, automotive electronics, and industrial control panels. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Through-Hole. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, Through-Hole, Circuit Protection Fuse, PTC Resettable Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 150-TRF250-120U can be used for catalog matching and distributor lookup.
PTC RESET FUSE 60V 120MA RADIAL
| Littelfuse, Inc. | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses |
| Product Number | TRF250-120U | 1361723-TRF250-120U | 150-TRF250-120U | TRF250-120U |
| Product Name | 250V PolySwitch® Lead-Free Radial Leaded Resettable PPTC for Telecom Protection | Circuit Protection - PTC Resettable Fuses | Through-Hole Circuit Protection Fuse | Circuit Protection - PTC Resettable Fuses |
| Approvals / Standards | RoHS |
