3 . 2 - 1 3 . 2 8 09 r0 (cots) commercial off-the-shelf schottky center-tap rectifier in a t0-258 p ackage features ? v ery low forward v oltage ? fast switching speed ? hermetic metal package, t o-258 outline ? standard of f-the-shelf ? isolated package ? a vailable screened to mil-s-19500, tx, txv and s levels description this product is specifically designed for use at power switching frequencies in excess of 100 khz. the product combines two schottky-barrier diodes in a center-tap configuration in a single package, simplifying installation, reducing heat sink hardware, and the need to obtain matched components. the device is ideally suited for hi-rel applications where small size and hermetically sealed package is required. absolute maximum ra tings ( t c = 25 c) per diode peak inverse v oltage ............................................ 45, 60, 100 v maximum a verage dc output current, per leg ............................ 20 a non-repetitive peak surge current (8.3 ms) ............................. 400 a peak reverse t ransient current ........................................... 2 a storage t emperature range ................................ - 55 c to + 175 c junction operating t emperature range ...................... - 55 c to + 150 c package thermal resistance, junction-to-case ........................ 1.7 c/w COM4220C com4213c com4219c 40 amp, 45 to 100 v olt schottky rectifier schematic common cathode is standard. glass feedthroughs are standard. pin connection 123 common cathode 1 3 2
com4213c, com4219c, COM4220C 3 . 2 205 craw ford street, leominster, ma 01453 usa (978) 534-5776 fax (978) 537-4246 maximum forward maximum part no. piv v oltage @ i f = 20a ( 1 ) reverse current t c = 25? t c = 125? t c = 25? t c = 125? com4213c 45 .72 v .64 v com4219c 60 .85 v .75 v 2 m a 40ma COM4220C 100 .90 v .82 v electrical characteristics (per diode) (1) pulse test: pulse width 300 s, duty cycle 2.0%. mechanical outline to-258 typical forward voltage com4213c .707 .697 .750 .500 .835 .815 .695 .685 .165 .155 .200 typ. .550 .530 .270 .240 .045 .035 .140 typ. .092 max. .065 .055 .005 .5 .6 .7 .8 .9 1.0 100 50 30 20 10 5 2 .5 .6 .7 .8 .9 1.0 100 40 20 10 4.0 2.0 1.0 0.4 0.2 0.1 0.04 0.02 0.01 0.004 0.002 0.001 010 20 30 40 50 typical reverse current com4213c v f - instantaneous voltage (volts) i r - reverse currrent (ma) v r - reverse voltage (volts) i f - instantaneous forward currrent (amps) t c = 125? t j = 150? t j = 100? t j = 25? t c = 25? t c = -55? typical forward voltage com4219c .5 .6 .7 .8 .9 1.0 100 50 30 20 10 5 2 .5 .6 .7 .8 .9 1.0 v f - instantaneous voltage (volts) i f - instantaneous forward currrent (amps) t c = 125? t c = 25? t c = -55? typical forward voltage COM4220C .5 .6 .7 .8 .9 1.0 100 50 30 20 10 5 2 .5 .6 .7 .8 .9 1.0 v f - instantaneous voltage (volts) i f - instantaneous forward currrent (amps) t c = 125? t c = 25? t c = -55?
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