polyswitch? ptc devices overcurrent protec tion device product: lr4 - 1300ssf document: scd 25627 rev letter: f rev date: july 26 , 2016 page no.: 1 of 2 ? 2016 littelfuse, inc. specifications are subject to change without notice. l ittelfuse.com revised july 26 , 2016 specification status : r elease d maximum electrical rating operating voltage: 20 vdc interrupt current: 100 a chip size: 9.5x50 mm leads: nickel 1/2 h 0.3 mm nominal thickness solder: lead - free tape: polyester (white) 51.5 mm nominal width marking: (color: green) 1 d ? dimension values on the drawing are for reference only. table i. dimensions: a b c d e f min max min max min max min max min max min max mm: 61.5 66.5 9.4 10.0 0.9 1.3 5.0 7.5 5.0 7.5 5.9 6.1 in*: (2.42) (2.62) (0.37) (0.39) (0.04) (0.05) (0.20) ( 0.30) (0.20) (0.30) (0.23) (0.24) *rounded off approximation table ii. performance ratings: as measured in mueller kelvin clips model bu - 75k. i hold current trip limits time to trip reference resistance one - hour post - trip resistance tripped - state power d issipation amps 20c amps at 0c amps at 20c amps at 60c amps at 70c seconds at 20c, 50 .0a ohms at 20c ohms at 20c watts at 20c, 20v hold hold trip hold trip hold trip hold trip min max min max min max max 13.0 14.5 23.5 13.0 21.2 9.5 15.7 8.6 1 4.4 --- 10 0.0035 0.0065 0.0035 0.0090 4.5 agency recognition: ul, tuv, csa reference document : ps300 precedence: this specification takes precedence o ver documents referenced herein. effectivity: reference documents shall be the issue in effect on the date of invitation for bid. caution: operation beyond the rated voltage or current may result in rupture, electrical arcing or flame. materials information rohs compliant elv compliant pb - free manufacturer's mark ex3 lot identification part identification
polyswitch? ptc devices overcurrent protec tion device product: lr4 - 1300ssf document: scd 25627 rev letter: f rev date: july 26 , 2016 page no.: 2 of 2 ? 2016 littelfuse, inc. specifications are subject to change without notice. l ittelfuse.com revised july 26 , 2016 information furnished is believ ed to be accurate and reliable. however, users should independently evaluate the suitability of and test each product selected for their own applications. littel fuse products are not designed for, and shall not be used for, any purpose (including, without limitation, 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 documentati on. warranties granted by litt elfuse 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 li ttelfuse 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.
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