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| HRF503A silicon schottky barrier diode for rectifying ade-208-401 (z) rev. 0 oct. 1995 features low forward voltage drop and suitable for high effifiency rectifying. do-214 is suitable for high density surface mounting and high speed assembly. ordering information type no. laser mark package code HRF503A 503a do-214 outline 12 1. cathode 2. anode cathode mark mark 503a absolute maximum ratings (ta = 25c) item symbol value unit repetitive peak reverse voltage v rrm * 1 35 v average forward current i o * 2 5a non-repetitive peak forward surge current i fsm * 3 100 a junction temperature tj 125 c storage temperature tstg C40 to +125 c notes: 1. see fig.5 & fig.7 2. see fig.4 & fig.6 3. 10msec sine wave 1 pulse
HRF503A 2 electrical characteristics (ta = 25c) item symbol min typ max unit test condition forward voltage v f1 0.38 v i f = 3a v f2 0.45 i f = 5a reverse current i r 1.0 ma v r = 35v thermal resistance rth (j-a) 75 c/w glass epoxy substrate* rth (j-c) 35 c/w note: glass epoxy pcb 6.8 unit: mm 2.0 3.5 land size forward voltage v (v) f forward current i (a) f 10 10 ? 10 ? 10 ? 10 2 1.0 0 0.2 0.4 0.6 0.1 0.5 0.3 ta = 75 c ta = 25 c pulse test fig.1 forward current vs. forward voltage HRF503A 3 reverse voltage v (v) r 0 10 10 10 ? 10 ? reverse current i (a) r ? 50 40 10 ? 10 ? 30 20 ta = 75 c ta = 25 c pulse test fig.2 reverse current vs. reverse voltage reverse voltage v (v) r 10 10 capacitance c (pf) 1.0 40 10 3 f = 1mhz pulse test 10 2 fig.3 capacitance vs. reverse voltage HRF503A 4 0 150 50 100 25 75 125 ambient temperature ta ( c) average forward current (a) 0 2 1 3 4 duty = 2/3 duty = 1/2 rth (j-a) = 75 c/w vout = 3v duty = 1/3 5 6 dc (forward bias) fig.4 average forward current vs. ambient temperature 0 150 50 100 25 75 125 ambient temperature ta ( c) repetitive peak reverse voltage (v) 0 40 20 50 30 10 fm rth (j-a) = 75 c/w i = 5a duty = 2/3 5 15 25 35 45 dc (reverse bias) duty = 1/2 fig.5 repetitive peak reverse voltage vs. ambient temperature HRF503A 5 0 150 50 100 25 75 125 case temperature tc ( c) average forward current (a) rth (j-c) = 35 c/w vout = 3v duty = 1/3 duty = 1/2 0 2 1 3 4 5 6 duty = 2/3 dc (forward bias) fig.6 average forward current vs. case temperature 0 150 50 100 25 75 125 cace temperature tc ( c) repetitive peak reverse voltage (v) 0 40 20 50 30 10 fm rth (j-c) = 35 c/w i = 5a 5 15 25 35 45 dc (reverse bias) duty = 2/3 duty = 1/2 duty = 1/3 fig.7 repetitive peak reverse voltage vs. case temperature HRF503A 6 package dimensions 0.25 8.0 0.3 3.0 0.2 4.0 0.2 1.2 0.3 7.0 0.2 2.1 0.2 cathode mark 503a lot no. 2 1 hitachi code jedec code eiaj code weight (g) do-214 do-214 0.16 1 2 cathode anode unit: mm |
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