ds30196 rev. 4 - 2 1 of 3 1N4448HWS www.diodes.com diodes incorporated 1N4448HWS surface mount fast switching diode features case: sod-323, plastic case material - ul flammability rating classification 94v-0 moisture sensitivity: level 1 per j-std-020a polarity: cathode band leads: solderable per mil-std-202, method 208 marking: t5 weight: 0.004 grams (approx.) mechanical data a b c d e g h j characteristic symbol 1N4448HWS unit non-repetitive peak reverse voltage v rm 100 v peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 80 v rms reverse voltage v r(rms) 57 v forward continuous current i fm 500 ma average rectified output current i o 250 ma non-repetitive peak forward surge current @ t = 1.0 s @ t = 1.0s i fsm 4.0 2.0 a power dissipation (note 2) p d 200 mw thermal resistance junction to ambient air (note 2) r ja 625 c/w operating and storage temperature range t j ,t stg -65 to +150 c maximum ratings @ t a = 25 c unless otherwise specified notes: 1. short duration test pulse used to minimize self-heating. 2. part mounted on fr-4 pc board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. characteristic symbol min max unit test condition reverse breakdown voltage (note 1) v br(r) 80 v i r = 100 a forward voltage (note 1) v fm 0.62 0.72 0.855 1.0 1.25 v i f = 5.0ma i f = 10ma i f = 100ma i f = 150ma peak reverse current (note 1) i rm 100 50 30 25 na a a na v r = 80v v r = 75v, t j = 150 c v r = 25v, t j = 150 c v r = 20v total capacitance c t 3.5 pf v r = 0, f = 1.0mhz reverse recovery time t rr 4.0 ns i f = i r = 10ma, i rr = 0.1 x i r ,r l = 100 electrical characteristics @ t a = 25 c unless otherwise specified fast switching speed ultra-small surface mount package for general purpose switching applications high conductance t c u d o r p w e n sod-323 dim min max a 2.30 2.70 b 1.60 1.80 c 1.20 1.40 d 1.05 typical e 0.25 0.35 g 0.20 0.40 h 0.10 0.15 j 0.05 typical 0 8 all dimensions in mm
ds30196 rev. 4 - 2 2 of 3 1N4448HWS www.diodes.com t c u d o r p w e n t5 cathode band type cod e marking information notes: 3. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. device packaging shipping 1N4448HWS-7 sod-323 3000/tape & reel ordering information (note 3) 0 100 300 025 50 75 125 125 150 p o wer dissipati o n, milliwatts ambient temperature ( c) fig. 1 forward current derating curve 200 10 100 1 0.1 0 1000 800 200 400 600 i,f o rward current (ma) f v , forward voltage (mv) f fig. 2 typical forward characteristics ta = - 3 0 c ta = 5 0 c ta = 0 c ta = 8 5 c ta=25 c 0.10 1.0 10.0 0.01 0.001 0 20 40 60 80 v , reverse voltage (v) r fig. 3 typical reverse characteristics ta=100 c ta=0 c ta=75 c ta = 5 0 c ta=25 c ta=-30 c 04 6 8 2 10 i , forward current (ma) f fig. 4 reverse recovery time vs. forward current t , reverse recovery time (ns) rr 0 0.5 1.0 1.5 2.0 2 .5
ds30196 rev. 4 - 2 3 of 3 1N4448HWS www.diodes.com t c u d o r p w e n 04 3 2 5 1 6 v , reverse voltage (v) r fig. 5 total capacitance vs. reverse volta g e c , total capacitance (pf) t 0 1 2 3 4 f= 1mhz
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