385 Series - Telecom Interface Protector

Roll Over to Zoom
Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The 385 Series are TE5, protector, time-Lag type, 125V rated fuses, that are designed in accordance to UL 248-14. 

  • Lead-free/RoHS Compliant
  • Surge proof for telecom applications
  • Reduced PCB space requirements
  • Highly defined cut-off times
  • Irreversible physical separation
  • Low internal resistance
  • Flame resistant encapsulated casing

Access specifications, certifications, check availability and order parts below

Catalog #VAC (V)Resistance
Nominal Melting I2T (A2sec)Min Operating Temp (°C)Max Operating Temp (°C)MSLOpeningPartner ECAD ModelsStockSamplesCompare
385035000001250.4540.6-4085MIL-STD-202 Method 106Transient Tolerant(T)38503500000CheckOrder
385035004401250.4540.6-4085MIL-STD-202 Method 106Transient Tolerant(T)38503500440CheckOrder
385050000001250.271.2-4085MIL-STD-202 Method 106Transient Tolerant(T)38505000000CheckOrder
385050004401250.271.2-4085MIL-STD-202 Method 106Transient Tolerant(T)38505000440CheckOrder
385080000001250.1354.4-4085MIL-STD-202 Method 106Transient Tolerant(T)38508000000CheckOrder
385080004401250.1354.4-4085MIL-STD-202 Method 106Transient Tolerant(T)38508000440CheckOrder
385110000001250.0886.8-4085MIL-STD-202 Method 106Transient Tolerant(T)38511000000CheckOrder
385110004401250.0886.8-4085MIL-STD-202 Method 106Transient Tolerant(T)38511000440CheckOrder
385112500001250.0649.8-4085MIL-STD-202 Method 106Transient Tolerant(T)38511250000CheckOrder
385112504401250.0649.8-4085MIL-STD-202 Method 106Transient Tolerant(T)38511250440CheckOrder
385115000001250.06212-4085MIL-STD-202 Method 106Transient Tolerant(T)38511500000CheckOrder
385115004401250.06212-4085MIL-STD-202 Method 106Transient Tolerant(T)38511500440CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
38505000000 PRTCR 125V TL TE5/TIP TELECOM AMMO .500A RoHS No 12/16/2004 PbFree No 12/16/2004 CoC_RoHS10_38505000000_03-23-2020 REACH205_Declaration_38505000000_03-23-2020 Yes
Does not Contain
38511500000 PRTCR 125V TL TE5/TIP TELECOM AMMO 1.5A RoHS No 12/16/2004 PbFree No 12/16/2004 CoC_RoHS10_38511500000_08-17-2017 Yes
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.

pdf icon Fuse 385 Datasheet

The 385 Series are TE5®, protector, time-Lag type, 125V rated fuse...

385 Series Multiple TC Curve

pdf icon Fuse Accessories Selection Guide

A quick reference guide to selecting holders blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...