72R Series - 72V PolySwitch® Lead-Free Radial Leaded Resettable PPTC

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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 72R Series is designed to provide overcurrent protection to 72Vdc maximum voltage with a maximum 40A short circuit rating.

Features:
  • RoHS compliant and lead-free
  • 72Vdc Max Voltage w/max 40A Short Circuit rating
  • Resettable feature
  • Ideal for a broad range of general electronics using a low voltage power supply


Applications:
  • Load protection on wide range of low voltage power supplies
  • Computers
  • Computer peripherals
  • General electronics

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
(A)
Max Volts
(V)
IMAX
(A)
PDMAX
(W)
RMIN
(Ω)
R1max
(Ω)
Max
Time
To
Trip
(A)
Max
Time
to
Trip Time
(Sec)
Temp
(deg C)
MountingStockSamplesCompare
72R020X0.20.472400.411.834.412.2-40¦C - + 85¦CThrough HoleCheckOrder
72R025X0.250.572400.451.2531.252.5-40¦C - + 85¦CThrough HoleCheckOrder
72R030X0.30.672400.490.882.11.53-40¦C - + 85¦CThrough HoleCheckOrder
72R040X0.40.872400.560.551.2923.8-40¦C - + 85¦CThrough HoleCheckOrder
72R050X0.5172400.770.51.172.54-40¦C - + 85¦CThrough HoleCheckOrder
72R065X0.651.372400.880.310.723.255.3-40¦C - + 85¦CThrough HoleCheckOrder
72R075X0.751.572400.920.250.63.756.3-40¦C - + 85¦CThrough HoleCheckOrder
72R090X0.91.872400.990.20.474.57.2-40¦C - + 85¦CThrough HoleCheckOrder
72R110X1.12.272401.50.150.385.58.2-40¦C - + 85¦CThrough HoleCheckOrder
72R135X1.352.772401.70.120.36.759.6-40¦C - + 85¦CThrough HoleCheckOrder
72R160X1.63.272401.90.090.22811.4-40¦C - + 85¦CThrough HoleCheckOrder
72R185X1.853.772402.10.080.199.2512.6-40¦C - + 85¦CThrough HoleCheckOrder
72R250X2.5572402.50.050.1312.515.6-40¦C - + 85¦CThrough HoleCheckOrder
72R300X3672402.80.040.11519.8Through HoleCheckOrder
72R375X3.757.572403.20.030.0818.7524-40¦C - + 85¦CThrough HoleCheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
72R020XU PTC 72V POLYFUSE RADIAL LEADS .200A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R020XU_12-12-2019 REACH201_Declaration_72R020XU_12-12-2019 Yes
01/01/2010
Does not Contain
72R020XPR PTC 72V POLYFUSE AMMO RADIAL LEADS .200A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R020XPR_10-04-2018 REACH191_Declaration_72R020XPR_10-04-2018 Yes
01/01/2010
Does not Contain
72R025XU PTC 72V POLYFUSE RADIAL LEADS .250A RoHS No 07/01/2006 PbFree No 07/01/2006 Yes
01/01/2010
72R025XPR PTC 72V POLYFUSE AMMO RADIAL LEADS .250A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R025XPR_03-26-2018 REACH197_Declaration_72R025XPR_02-27-2019 Yes
01/01/2010
Does not Contain
72R030XU PTC 72V POLYFUSE RADIAL LEADS .300A RoHS No 07/01/2006 PbFree No 07/01/2006 Yes
01/01/2010
72R030XPR PTC 72V POLYFUSE AMMO RADIAL LEADS .300A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R030XPR_07-27-2017 Yes
01/01/2010
72R050XU PTC 72V POLYFUSE RADIAL LEADS .500A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R050XU_09-26-2018 REACH191_Declaration_72R050XU_09-26-2018 Yes
01/01/2010
Does not Contain
72R050XPR PTC 72V POLYFUSE AMMO RADIAL LEADS .500A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R050XPR_08-29-2017 REACH197_Declaration_72R050XPR_04-17-2019 Yes
01/01/2010
Does not Contain
72R065XU PTC 72V POLYFUSE RADIAL LEADS .650A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R065XU_06-29-2020 REACH209_Declaration_72R065XU_06-29-2020 Yes
01/01/2010
Does not Contain
72R065XPR PTC 72V POLYFUSE AMMO RADIAL LEADS .650A RoHS No 07/01/2006 PbFree No 07/01/2006 Yes
01/01/2010
72R090XU PTC 72V POLYFUSE RADIAL LEADS .900A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R090XU_01-21-2020 REACH205_Declaration_72R090XU_01-21-2020 Yes
01/01/2010
Does not Contain
72R090XPR PTC 72V POLYFUSE AMMO RADIAL LEADS .900A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R090XPR_09-28-2020 REACH209_Declaration_72R090XPR_09-28-2020 Yes
01/01/2010
Does not Contain
72R110XU PTC 72V POLYFUSE RADIAL LEADS 1.10A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R110XU_3-7-2019 REACH197_Declaration_72R110XU_3-7-2019 Yes
01/01/2010
Does not Contain
72R110XMR PTC 72V POLYFUSE AMMO RADIAL LEADS 1.10A RoHS No 07/01/2006 PbFree No 07/01/2006 Yes
01/01/2010
72R135XF PTC 72V POLYFUSE RADIAL LEADS 1.35A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R135XF_4-30-2020 REACH205_Declaration_72R135XF_4-30-2020 Yes
01/01/2010
Does not Contain
72R135XMR PTC 72V POLYFUSE AMMO RADIAL LEADS 1.35A RoHS No 07/01/2006 PbFree No 07/01/2006 Yes
01/01/2010
72R160XF PTC 72V POLYFUSE RADIAL LEADS 1.60A RoHS No 07/01/2006 PbFree No 07/01/2006 Yes
01/01/2010
72R160XMR PTC 72V POLYFUSE AMMO RADIAL LEADS 1.60A RoHS No 07/01/2006 PbFree No 07/01/2006 REACH209_Declaration_72R160XMR_09-13-2020 Yes
01/01/2010
Does not Contain
72R185XF PTC 72V POLYFUSE RADIAL LEADS 1.85A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R185XF_10-05-2017 Yes
01/01/2010
72R185XMR PTC 72V POLYFUSE AMMO RADIAL LEADS 1.85A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R185XMR_01-27-2020 REACH205_Declaration_72R185XMR_01-27-2020 Yes
01/01/2010
Does not Contain
72R250XF PTC 72V POLYFUSE RADIAL LEADS 2.50A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_REACh181_72R250XF_03-09-2018 REACH209_Declaration_72R250XF_09-23-2020 Yes
01/01/2010
Does not Contain
72R250XMR PTC 72V POLYFUSE AMMO RADIAL LEADS 2.50A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_REACh174_72R250XMR_09-15-2017 Yes
01/01/2010
72R300XF PTC 72V POLYFUSE RADIAL LEADS 3A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R300XF_06-29-2020 REACH209_Declaration_72R300XF_06-29-2020 Yes
01/01/2010
Does not Contain
72R300XMR PTC 72V POLYFUSE AMMO RADIAL LEADS 3A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R300XMR_05-24-2017 REACH197_Declaration_72R300XMR_02-18-2019 Yes
01/01/2010
Does not Contain
72R375XH PTC 72V POLYFUSE RADIAL LEADS 3.75A RoHS No 07/01/2006 PbFree No 07/01/2006 CoC_RoHS10_72R375XH_12-20-2018 REACH197_Declaration_72R375XH_04-29-2019 Yes
01/01/2010
Does not Contain
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pdf icon Resettable PTC 72R Datasheet

The 72R Series is designed to provide overcurrent protection to 72Vdc maximum voltage with a maximum 40A short circuit rating...

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...