1210L450SLWR

$1.86

Description：PTC RESET FUSE 6V 4.5A 1210
Series：POLY-FUSE®, LoRho
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:dd5001074ad0 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

1210L450SLWR is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 6V 4.5A 1210. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for 1210L450SLWR

Description：PTC RESET FUSE 6V 4.5A 1210
Series：POLY-FUSE®, LoRho
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：6V
Current - Hold (Ih) (Max)：4.5 A
Current - Trip (It)：9:00 AM
Current - Max：50 A
Time to Trip：2 s
Resistance - Initial (Ri) (Min)：1 mOhms
Resistance - Post Trip (R1) (Max)：14 mOhms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Surface Mount
Package / Case：1210 (3225 Metric), Concave
Size / Dimension：0.127" L x 0.102" W (3.22mm x 2.58mm)
Height - Seated (Max)：-
Thickness (Max)：0.047" (1.20mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for 1210L450SLWR

1210L450SLWR

Ptc Resettable Fuses Overview

The Littelfuse 1210L450SLWR is a surface-mount polymer PTC resettable fuse from the Low Rho series. It features a 6 VDC maximum voltage rating and a 4.5 A hold current. The device trips at 9 A and withstands up to 50 A fault current. Initial resistance is typically 14 mΩ, with a maximum post-trip resistance of 14 mΩ. Operating temperature ranges from -40°C to +85°C. The component measures 3.22 mm by 2.56 mm in a 1210 package.

Ptc Resettable Fuses Feature Summary

Low on-resistance design for minimal power loss
Automatic circuit restoration after fault clearance
Surface mount construction for automated assembly

Ptc Resettable Fuses Applications

Portable electronic devices
Battery pack protection
Data communication circuits

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix SLWR against official Littelfuse documentation to confirm reel packaging and tape specifications. Confirm RoHS compliance status through the manufacturer's current datasheet. Ensure the selected variant matches the required hold current and voltage ratings for the target application circuit.

Ptc Resettable Fuses Selection Notes

Select this component based on the 4.5 A hold current and 6 VDC rating. Evaluate the low resistance value for efficiency requirements. Consider the 1210 footprint constraints and operating temperature range. Verify compatibility with reflow soldering profiles and standard surface mount assembly processes.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse POLY-FUSE LoRho series, designed for low resistance applications. The series provides overcurrent protection in compact surface mount packages. These components are engineered for high reliability in consumer electronics and industrial equipment requiring efficient circuit protection.