io aucti, vnc. 20 stern ave. springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212) 227-6005 fax: (973) 376-8960 damper diode BY328 features ? glass passivated ? high maximum operating temperature ? low leakage current ? excellent stability ? available in ammo-pack ? also available with preformed leads for easy insertion. applications ? damper diode in high frequency horizontal deflection circuits up to 38 khz. description rugged glass package, using a high temperature alloyed construction. this package is hermetically sealed and fatigue free as coefficients of expansion of all used parts are matched. -h- fig.1 simplified outline (sod64) and symbol. limiting values in accordance with the absolute maximum rating system (iec 134). symbol vrsm vrrm vr ifwm ifrm ifsm tstg tj parameter non-repetitive peak reverse voltage repetitive peak reverse voltage continuous reverse voltage working peak forward current repetitive peak forward current non-repetitive peak forward current storage temperature junction temperature conditions ttp = 55 c; lead length = 10 mm see fig. 2 tgmb = 55 c; pcb mounting (see fig. 5); see fig.2 tamb = 55 c; pcb mounting (see fig.4); see fig 2 t = 1 0 ms half sinewave; tj = tj max prior to surge; vr = vrrmmax min. - - - - - ? - -65 -65 max. 1500 1500 1400 6.0 4.7 3.0 10 60 +175 +150 unit v v v a a a a a c c nj semi-conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. information furnished by nj semi-conductors is believed to be both accurate and reliable at the time of going to press. however, nj semi-conductors assumes no responsibility for any errors or omissions discovered in its use. nj semi-conductors encourages customers to verify that datasheets are current before placing orders. quality semi-conductors
damper diode BY328 electrical characteristics tj = 25 c; unless otherwise specified. symbol vf ir trr tfr parameter forward voltage reverse current reverse recovery time forward recovery time conditions lf = 5a;tj = tjmax;seefig.3 if = 5 a; see fig.3 vr = vrmax;tj = 150c when switched from if = 0.5 a to ir = 1 a; measured at ir = 0.25 a; see fig. 6 when switched to if = 5 a in 50 ns; tj = tj max; see fig. 7 max. 1.35 1.45 150 500 500 unit v v ha ns ns thermal characteristics symbol rtn j-tp rth j-a parameter thermal resistance from junction to tie-point thermal resistance from junction to ambient conditions lead length = 10 mm note 1 mounted as shown in fig. 5 value 25 75 40 unit k/w k/w k/w
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