polyswitch? ptc devices overcurrent protection device product: lr4 - 190f document: scd 25564 pcn: e24709 rev lette r: d rev date: july 26, 2016 page no.: 1 of 2 ? 2016 littelfuse, inc. littelfuse.com specifications are subject to change without notice. revis ed july 26,2016 specification status: released maximum electrical rating operating voltage: 15 vdc max interrupt current: 100a max chip size: 5 x 7mm leads: nickel 1/4h 0.125mm nominal thickness solder: lead - free tape: polyester (white) 8mm nominal width mark ing: (color: green) table i. dimensions: a b c d e f min max min max min max min max min max min max mm: 19.9 22.1 4.9 5.5 0.6 1.0 5.5 7.5 5.5 7.5 3.9 4.1 in*: (0.78) (0.87) (0.19) (0.22) (0.02) (0.04) (0.22) (0.30) (0.22 ) (0.30) (0.15) (0.16) *rounded off approximation table ii. performance ratings: as measured in mueller kelvin clips model bu - 75k. i hold current trip limits time to trip referenc e resistanc e one - hour post - trip resistance tripped - state power dissipatio n amps 20c amps at 0c amps at 20c amps at 60c amps at -- c seconds at 20c,9.5a ohms at 20c ohms at 20c watts at 20c, 15v hold hold trip hold trip hold trip hold trip typ max min max min max typ max 1.9 2.3 4.6 1.9 3.9 1.4 2.8 -- - - - - 5 0.039 0.072 0.039 0.102 -- 1.2 agency recognitions: ul, tuv, csa reference documents: ps300 precedence: this specification takes precedence over 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 e19 lot identification part identification
polyswitch? ptc devices overcurrent protection device product: lr4 - 190f document: scd 25564 pcn: e24709 rev lette r: d rev date: july 26, 2016 page no.: 2 of 2 ? 2016 littelfuse, inc. littelfuse.com specifications are subject to change without notice. revis ed july 26,2016 information furnishe d is believed to be accurate and reliable. however, users should independently evaluate the suitability of and test each prod uct selected for their own applications. littelfuse products are not designed for, and shall not be used for, any purpose (includi ng, without limitation, military, aerospace, medical, lifesaving, 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 pr oduct 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 se t 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.
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