1210L110/12WR

$0.88

Description：PTC RESET FUSE 12V 1.1A 1210
Series：POLY-FUSE®, 1210L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:c387c636ebcb Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

1210L110/12WR is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 12V 1.1A 1210. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for 1210L110/12WR

Description：PTC RESET FUSE 12V 1.1A 1210
Series：POLY-FUSE®, 1210L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：12V
Current - Hold (Ih) (Max)：1.1 A
Current - Trip (It)：2.2 A
Current - Max：100 A
Time to Trip：100 ms
Resistance - Initial (Ri) (Min)：60 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：1210 (3225 Metric), Concave
Size / Dimension：0.127" L x 0.102" W (3.22mm x 2.58mm)
Height - Seated (Max)：-
Thickness (Max)：0.049" (1.25mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for 1210L110/12WR

1210L110/12WR

Ptc Resettable Fuses Overview

The Littelfuse Inc. 1210L110/12WR is a POLY-FUSE® PTC resettable fuse designed for surface mount applications. It belongs to the 1210L series and features a polymer construction within a 1210 (3225 metric) recessed package. The component provides overcurrent protection with a maximum voltage rating of 8V and a hold current (Ih) of 1.1A. It trips at a current of 2.2A with a typical trip time of 100 ms. Initial resistance is a minimum of 60 mOhms, while post-trip resistance has a maximum of 210 mOhms. It supports a maximum fault current of 100 A and operates between -40°C and +85°C.

Ptc Resettable Fuses Feature Summary

Provides self-resetting overcurrent protection for space-constrained circuit boards
Utilizes polymer technology for rapid response to overcurrent conditions
Designed for surface mount installation in recessed packages

Ptc Resettable Fuses Applications

Portable electronic devices requiring compact circuit protection
Consumer electronics with limited board space
Data port overcurrent protection

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS 3 compliance status and check for specific ordering suffixes that may affect packaging or lead times. Ensure the part number matches the exact specification required for the design, as variations exist within the 1210L series.

Ptc Resettable Fuses Selection Notes

Select this component when a surface mount PTC fuse with a 1.1A hold current and 8V rating is required. Consider the 1210L series for its balance of size and performance. Evaluate thermal derating requirements based on the operating temperature range of -40°C to +85°C. Compare against other series if higher voltage ratings or different package sizes are needed.

Ptc Resettable Fuses Part Context

The 1210L110/12WR is part of the POLY-FUSE® 1210L series from Littelfuse Inc. This series focuses on providing resettable protection for applications where space is at a premium. The components are manufactured using multilayer polymer technology to offer reliable overcurrent protection in a small footprint suitable for modern surface mount assembly processes.