raychem corporation 300 constitution drive menlo park, ca 94025 800-227-4856 fax 800-227-4866 r polyswitch? ptc devices resettable fuse product: RUE250U document: scd 22793 pcn: 613961 rev letter: i rev date: august 31, 1999 page no.: 1 of 1 specification status: released electrical rating voltage: 30v max current: 40a max lead material: 20 awg tin/lead plated copper marking: none table i. dimensions: a b c d e min max min max typical min min max mm: 7.1 8.1 -- 2.8 5.0 7.6 15.0 16.8 in*: (0.28) (0 . 32) -- (0.11) (0.2) (0.3) (0.59) (0.66 ) *rounded off approximation table ii. performance ratings: i hold current ratings time to trip resistance one-hour post-trip resistance standard trip nominal tripped power dissipation amps 20c amps at 0c amps at 20c amps at 50c seconds at 20c, 8a ohms at 20c ohms at 20c watts at 20c hold hold trip hold trip hold trip max min max max 2.5 -- -- 2.5 4.9 2.0 3.7 5.0 0.031 0.044 0.080 1.75 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.
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