LR4-600F

Description：PTC RESET FUSE 20V 6A STRAP
Series：PolySwitch®, LR4
Mfr：Littelfuse Inc.
Package：Bag

SKU:71a9d6844cb0 Category: PTC Resettable Fuses Brand: Littelfuse Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LR4-600F is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 20V 6A STRAP. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for LR4-600F

Description：PTC RESET FUSE 20V 6A STRAP
Series：PolySwitch®, LR4
Mfr：Littelfuse Inc.
Package：Bag
Type：Polymeric
Voltage - Max：20V
Current - Hold (Ih) (Max)：6:00 AM
Current - Trip (It)：11.7 A
Current - Max：100 A
Time to Trip：5 s
Resistance - Initial (Ri) (Min)：7 mOhms
Resistance - Post Trip (R1) (Max)：19 mOhms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：User Defined
Package / Case：Strap
Size / Dimension：0.984" L x 0.559" W (25.00mm x 14.20mm)
Height - Seated (Max)：-
Thickness (Max)：0.039" (1.00mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for LR4-600F

LR4-600F

Ptc Resettable Fuses Overview

The Littelfuse LR4-600F is a strap-mount self-resetting polymeric positive temperature coefficient (PPTC) device designed for circuit protection. It operates with a maximum voltage of 20 VDC and maintains a holding current of 6 A. The trip current is specified at 11.7 A, while the maximum rated current is 100 A. The device exhibits a resistance of 14 mΩ and functions within an operating temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

Provides automatic resettable overcurrent protection via PPTC technology
Designed for strap mounting configurations
Features low on-resistance for efficient power handling

Ptc Resettable Fuses Applications

Battery pack protection
Portable electronic devices
Automotive electronics

Ptc Resettable Fuses Procurement Notes

Verify the exact suffix against official Littelfuse documentation to confirm specific tolerance or packaging variations. Ensure the selected component matches the required 20 VDC maximum voltage and 6 A holding current specifications for the target application. Confirm compliance with RoHS directives as indicated in manufacturer records.

Ptc Resettable Fuses Selection Notes

Select this component when a resettable fuse is required for low-voltage DC circuits. The 6 A holding current and 11.7 A trip threshold define the protection boundary. Consider the 14 mΩ resistance for thermal management and the strap-mount style for high-current interconnection needs.

Ptc Resettable Fuses Part Context

This part belongs to the LR4 series of resettable fuses from Littelfuse. These devices utilize polymer technology to provide reliable circuit protection without manual replacement after a fault event clears.