fuses / sicherungen pfme resettable fuses www.schurter.com 15 t ypical time to trip at 23 ?c time to trip (s) dimensions / abmessungen solder pad layouts applications ? attery cell protection t est procedures and requirements for model pfme series t est / t est t est conditions / bedingungen accept/reject criteria v isual/mech. / visuell/mech. v erify dimensions and materials / kontrolle abmess./mat. per mf physical description resistance / widerstand in still air @ 23 ? / bei ruhiger luft 23 ? r min r r max time to trip / t rip-zeit at specified current, v max 23 ? / bei entspr. strom t max. time to trip (sec.) hold current / haltestrom 30 min. at i hold / bei haltestrom no trip t rip cycle life / t rip-zyklen v max , i max , 100 cycles / zyklen no arcing or burning t rip endurance / zeit im tripzustand v max , 48 hours / stunden no arcing or burning environmental characteristics operating/storage temperature / einsatz/lagertemp. -40 ? to +85 ? maximum device surface temperature in tripped state / 125 ? passive aging / passive alterung +85 ?, 1000 hours / std. 5% typ. resist. change humidity aging / feuchtigkeitsalterung +85 ?, 85% r.h. 1000 hours / std. 5% typ. resist. change thermal shock / thermischer schock +85 ?/?0 ? 20 times / zyklen ?0% t yp. resist. change solvent resistance / l?sungsmittel-best?ndigkeit mil-std-202, method 215 no change v ibration mil-std-883c, method 2007.1, no change condition a t ypical part marking layout may vary manufacturer s t rademark part identification date code week 1 of 2000 = 0a (year and week) week 27 of 2000 = a0 (week and year) 50 75 100 100 10 1 0.1 0.01 0.001 pfme.190.2 ac d 4.75 (0.187) 1.45 (0.057) 9.57 (0.377) fault current (a) surface mount ptc-fuses t ype pfme 5,3 x 11,5 mm fast tripping packaged per eia 481-1 100 ? trip temperature agency recognition: ul, csa, t?v 0.1 1 10 100
fuses / sicherungen pfme resettable fuses www.schurter.com 16 t ype / typ i max v max i hold i trip initial 1 hour (r1) post- max. time tripped power resistance / reflow resistance / to trip at 23 ?c/8a / dissipation amperes at 23 ?c / ohms at 23 ?c / amperes / seconds / watts at 23 ?c av hold trip r min. r 1 max. at / bei 23 ?c at 23 ?c pfme.190.2 100 16 1.9 3.8 0.017 0.08 10 2.0 1.5 electrical characteristics soldering profile how to order pf me .xxx .x ptc-fuse style me = 11.5 mm surface mount component hold current, i hold 190 (1.9 a) packaging packaged per eia 481-1 2 = t ape and reel note pfme models can be wave soldered and reworked. thermal derating chart-i hold (amps) t ype / typ ambient operating temperature e40 ?c e20 ?c 0 ?c 23 ?c 40 ?c 50 ?c 60 ?c 70 ?c 85 ?c pfme.190.2 3.04 2.7 2.2 1.9 1.44 1.23 1.00 0.78 0.49 type / typ abcd min. max. min. max. min. max. min. max. pfme.190.2 11.15 11.51 4.83 5.33 0.33 0.63 0.53 1.02 (0.439) (0.453) (0.190) (0.210) (0.013) (0.025) (0.021) (0.040) dimensions dimensions in mm/inches maximum package body temperature (220 ?c) melting temperature of solder (183 ?c) 2 minutes or more preheat flux activation reflow cool 10? to 20 c per second less than 120 ?c per second 300 250 200 150 100 50 0 0 30 60 100 150 200 250 t emperature (? c) time (seconde) (s) packaging: 2000 pcs. per reel
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