The 250R Series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements specified in ITU K.20 and K.21. 80–180 mA hold current range and 60 V dc operating voltage Interrupting rating at 250 V ac Fast time–to-trip Binned and sorted narrow resistance ranges available Lead-free, halogen-free, and RoHS compliant
PTC Resettable Fuse 3A 60VDC Product overview: 250R120 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 3A. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 3A, Circuit Protection Fuse, Unclassified. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 48-250R120 can be used for catalog matching and distributor lookup.
| Littelfuse, Inc. | ERSAELECTRONICS PTE. LTD. | |
|---|---|---|
| Product Category | Fuses | Fuses |
| Product Number | 250R120 | 48-250R120 |
| Product Name | 250V PolySwitch® Lead-Free Radial Leaded Resettable PPTC for Telecom Protection | 3A Circuit Protection Fuse |
| Mounting | Solderable (with leads) |
