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| RB441Q-40 diodes schottky barrier diode RB441Q-40 ! ! ! ! applications low current rectification ! ! ! ! features 1) glass sealed envelope for high reliability. (msd) 2) small pitch enables insertion on pcbs. 3) low v f .(v f =0.45v typ. at 100ma) ! ! ! ! construction silicon epitaxial planar ! ! ! ! external dimensions (units : mm) 1.8 0.2 0.4 0.1 a c 29 1 2.7 0.3 29 1 rohm : msd eiaj : ? jedec : do-34 cathode band (black) product identification number is stamped on body of main unit. s ? 3 ! ! ! ! absolute maximum ratings (ta = 25 c) parameter symbol limits unit peak reverse voltage v rm 40 v dc reverse voltage v r 40 v mean rectifying current i o 0.1 a peak forward surge current i fsm 1a junction temperature tj 125 c storage temperature tstg c ? 40 ~ + 125 ! ! ! ! electrical characteristics (ta = 25 c) parameter symbol min. typ. max. unit conditions forward voltage v f1 ?? 0.34 v i f = 10ma forward voltage v f2 ?? 0.55 v i f = 100ma reverse current i r ?? 100 av r = 40v capacitance between terminals ? 6.0 ? pf v r = 10v, f = 1mhz note) esd sensitve product handling required. c t
RB441Q-40 diodes ! ! ! ! electrical characteristic curves (ta = 25 c) 0 1 100m 10m 1m 100 10 0.1 0.2 0.3 0.4 0.5 0.6 0.7 ta = 125 c 75 c 25 c ? 25 c pulse measurement typ. forward current : i f ( a) forward voltage : v f ( v) fig. 1 forward characteristics fig. 2 reverse characteristics 0 5 10 15 20 25 30 35 10m 1m 100 10 1 0.1 pulse measurement reverse current : i r ( a) reverse voltage : v r ( v) 40 typ. ta = 125 c 75 c 25 c 0 5 10 15 20 25 1 10 100 1000 capacitance between terminals : c t ( pf) reverse voltage : v r ( v) fig. 3 capacitance between terminals characteristics 0 10 20 2 4 6 8 12 14 16 18 22 24 26 28 1 10 100 1000 forward surge current : i f surge (a) pulse width (ms) fig. 4 forward surge current characteristics p = 50% 0 0.5 0.1 0.2 0.3 0.4 0.5 power dissipation : p f ( w) average forward current : i o ( a) fig. 5 mean rectifying current characteristics sine wave (tj = 25 c) dc (tj = 25 c) 0 0 20 40 60 80 100 25 50 75 100 125 io current (%) ambient temperature : ta ( c ) fig. 6 derating curve (mounting on glass epoxy pcbs) |
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