1812L110ZR

$0.21

Description：PTC RESET FUSE 8V 1.1A 1812
Series：POLY-FUSE®, 1812L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR)

SKU:b4b711dd0b1d Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

1812L110ZR is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 8V 1.1A 1812. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for 1812L110ZR

Description：PTC RESET FUSE 8V 1.1A 1812
Series：POLY-FUSE®, 1812L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR)
Type：Polymeric
Voltage - Max：8V
Current - Hold (Ih) (Max)：1.1 A
Current - Trip (It)：2.2 A
Current - Max：100 A
Time to Trip：300 ms
Resistance - Initial (Ri) (Min)：40 mOhms
Resistance - Post Trip (R1) (Max)：210 mOhms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Surface Mount
Package / Case：1812 (4532 Metric), Concave
Size / Dimension：0.179" L x 0.128" W (4.55mm x 3.24mm)
Height - Seated (Max)：-
Thickness (Max)：0.028" (0.71mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for 1812L110ZR

1812L110ZR

Ptc Resettable Fuses Overview

The Littelfuse 1812L110ZR is a surface-mount polymer PTC resettable fuse from the 1812L series. It features a maximum voltage of 8 VDC and a hold current (Ih) of 1.1 A. The trip current (It) is specified at 2.2 A with a typical trip time of 0.5 s. Initial resistance ranges from 60 mΩ to 210 mΩ, while post-trip resistance reaches up to 200 mΩ. The device supports a maximum fault current of 100 A and operates within a temperature range of -40°C to +85°C. Power dissipation is rated at 0.8 W.

Ptc Resettable Fuses Feature Summary

Polymer positive temperature coefficient construction for automatic circuit protection
Surface mount package design compatible with standard reflow soldering processes
RoHS compliant manufacturing ensuring environmental safety standards

Ptc Resettable Fuses Applications

Portable electronic devices requiring compact overcurrent protection
Consumer electronics circuits needing low-voltage safeguarding
Battery-powered equipment interface protection

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix ZR against official Littelfuse documentation to confirm material composition or marking variations. Ensure compatibility with RoHS3 directives if required by target markets. Cross-reference datasheet electrical limits with system operating conditions before integration.

Ptc Resettable Fuses Selection Notes

Select this component when designing low-voltage circuits requiring 1.1 A continuous current handling. Verify that the 8 VDC rating aligns with the system's maximum operational voltage. Consider the 1812 footprint constraints and thermal management requirements for high-current applications.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse 1812L series of resettable fuses. The series offers various voltage and current ratings in a standardized 1812 surface-mount package. These components are widely used for protecting sensitive electronic circuits from overcurrent events without permanent damage.