1210L Series - PolySwitch® Lead-Free Surface Mount Resettable PPTC

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 1210L series device provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired.


  • RoHS compliant and lead-free
  • Fast response to fault currents
  • Compact design saves board space
  • Low resistance
  • Low-profile
  • Compatible with high temperature solders

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Max Volts
Trip Time
(deg C)
1210L0050.050.1530100.63.6500.251.5-40¦C - + 85¦C1210 (3225)25Surface MountCheckOrder
1210L0100.10.330100.61.6150.51.5-40¦C - + 85¦C1210 (3225)7Surface MountCheckOrder
1210L0200.20.430100.60.8580.02-40¦C - + 85¦C1210 (3225)2.9Surface MountCheckOrder
1210L0350.350.761000.60.321.380.2-40¦C - + 85¦C1210 (3225)0.81Surface MountCheckOrder
1210L035/300.350.730400.60.321.380.2-40¦C - + 85¦C1210 (3225)Surface MountCheckOrder
1210L0500.5113.21000.60.250.980.1-40¦C - + 85¦C1210 (3225)0.55Surface MountCheckOrder
1210L050/300.5130400.60.220.980.15-40¦C - + 85¦C1210 (3225)Surface MountCheckOrder
1210L0750.751.561000.60.130.480.1-40¦C - + 85¦C1210 (3225)0.29Surface MountCheckOrder
1210L075/240.751.5241000.60.130.480.1-40¦C - + 85¦C1210 (3225)Surface MountCheckOrder
1210L110/121.12.2121000.60.060.2180.1-40¦C - + 85¦C1210 (3225)Surface MountCheckOrder
1210L110/161.12.2161000.60.060.2180.1-40¦C - + 85¦C1210 (3225)Surface MountCheckOrder
1210L110TH1.12.261000.60.060.2180.3-40¦C - + 85¦C1210 (3225)0.14Surface MountCheckOrder
1210L150/161.53161000.80.040.1180.3-40¦C - + 85¦C1210 (3225)Surface MountCheckOrder
1210L150TH1.5361000.80.040.1180.5-40&C - + 85&C1210 (3225)0.07Surface MountCheckOrder
1210L1751.753.561000.80.020.0880.6-40¦C - + 85¦C1210 (3225)0.04Surface MountCheckOrder
1210L2002461000.80.0150.0781-40¦C - + 85¦C1210 (3225)0.04Surface MountCheckOrder

pdf icon Data Center Solutions Selection Guide

Today’s datacenters must handle the vastly higher volumes of data being produced by millions of mobile devices and the objects that make up the Internet of Things

pdf icon Automotive Electronics Circuit Protection Applications Matrix

Littelfuse portfolio of AEC-Q101 (TVS Diodes and Diode Arrays) and AEC-Q200 (Varistors, Multi Layer Varistors and PPTCs) qualified components help to protect the growing number of electronic applications in modern vehicles.

pdf icon Resettable PTC 1210L Datasheet

The 1210L Series PTC provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired...

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...