dimensions in inches and (millimeters) maximum ratings and electrical characteristics for capacitive load, derate current by 20%. single phase, half wave, 60hz, resistive or inductive load. rating at 25 o c ambient temperature unless otherwise specified. notes : -55 to +150 smb/do-214aa hers201g HERS202G hers203g hers205g hers206g hers207g hers208g symbol v rrm v rms v dc if (av) i fsm v f i r trr c j t j , t stg 50 100 200 140 200 600 35 70 420 50 100 600 800 560 800 1000 700 1000 2.0 5.0 60 1.3 1.0 1.7 50 75 100 50 55 unit v v v v a a ua ua o c pf o cw ns 400 280 400 maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified peak forward surge current, 8.3ms single maximum instantaneous forward voltage maximum dc reverse current @t j =25 o c typical junction capacitance (note 2) operating junction and storage current t a =90 o c half sine-wave superimposed on rated load (jedec method) @ 2.0 a at rated dc blocking voltage @t j =125 o c maximum reverse recovery time (note 1) typical thermal resistance (note 3) features ? l o w forward voltage drop ? fast switching for high efficiency ? high current capability ? case: molded plastic smb/do-214aa ? glass passivated chip ? high surge current capability ? weight: 0.093 gram ? polarity:color band denotes cathode method 2026 ? mounting position: any ? terminals: solderable per mil-std-750 mechanical data ? low reverse leakage current r ja temperature range (1) reverse recovery test conditions i f = 0.5a, i r = 1.0a, irr = 0.25a. (2) measured at 1.0 mhz and applied reverse voltage of 4.0 volts dc. (3) thermal resistance junction to ambient. ? epoxy: ul 94v-0 rate flame retardant .160(4.06) .185(4.70) .006(.152) .012(.305) .130(3.30) .155(3.94) .075(1.91) .083(2.11) .083(2.13) .096(2.44) .200(5.08) .220(5.59) .030(0.76) .060(1.52) .002(.051) .008(.203) 2.0amps surface mount glass passivated ultra fast rectifiers hers201g~208g m e c h a n ic a l d im e n s io n s d e s c r ipt io n
ratings and characteristic curves hers201g thru hers208g fig.1 - forward current derating curve fig.3 - typical instantaneous forward characteristics average forward rectified current, amperes 2.0 1.2 0.8 0.4 1.6 iinstantaneous forward current, amperes 0.1 1.0 10 0.01 0.6 0.4 0.8 1.0 1.2 1.4 1.6 1.8 0 0 50 100 150 ambient temperature, o c instantaneous forward voltage, volts fig.2 - maximum non-repetitive peak forward surge current peak forward surge current, amperes number of cycles at 60hz 0 10 20 30 40 50 60 1 10 100 fig.4 - typical reverse characteristics percent of rated peak reverse voltage,% instantaneous reverse current, microamperes 0.1 0 1 10 1000 100 20 40 60 80 100 fig.5 - typical junction capacitance reverse voltage, volts 0.1 10 junction capacitance, pf 1000 1.0 4.0 10 100 100 60 hz resistive or inductive load pulse width 8.3ms single half-sire-wave (jedec method) t j =25 o c pulse width=300us 1% duty cycle t j =125 o c t j =25 o c t j = 25 o c f = 1.0 mhz vsig = 50mvp-p us2a-us2d us2j-us2m us2g 2.0amps surface mount glass passivated ultra fast rectifiers
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