tyco / electronics raychem circuit protection 308 constitution drive menlo park, ca 94025 phone: 800-227-4856 fax: 800-227-4866 polyswitch? ptc devices overcurrent protection device product: SMD075 document: scd 21843 pcn: 111067 rev letter: e rev date: may 31, 2002 page no.: 1 of 1 specification status: released maximum electrical ratings operating voltage / interrupt current 30v / 40a 12v / 60a 5v / 125a marking: manufacturer?s mar k part identification 075 notes: 1. all metal surfaces are tin plated. 2. devices cannot be wave soldered. 3. drawing not to scale. h d a e b c g f table i. dimensions: a b c d e f g h min max min max min max min max min max min max min max min mm: 6.73 7.98 -- 3.18 4.8 5.44 0.56 0.71 0.56 0.71 2.16 2.41 0.66 1.37 0.43 in*: (0.265) (0.314) -- (0.125) (0. 19) (0.214) (0.022) (0.028) (0.022) (0.028) (0.085) (0. 095) (0.026) (0.054) (0.017) *rounded off approximation table ii. performance ratings: current ratings** time to trip** resistance values tripped-state power dissipation** amps at 0c amps at 20c amps at 60c seconds at 20c, 8.0a ohms at 20c watts at 20c hold trip hold trip hold trip max min max* max 0.84 1.68 0.75 1.50 0.49 0.98 0.3 0.35 1.0 1.7 * maximum resistance is measured 1 hour after reflow. ** values specified were determined using pcb?s with 0.070?x1.5 ounce copper traces. reference documents: ps300, e.n. smd 1.0x precedence: this specification takes pr ecedence 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 volt age or current may result in ruptur e, electrical arcing or flame.
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