1 maximum ratixgs and electrical characteristics us 2a th ru u s2 m features mechanical data u n i t s 0 c 0 c - 5 5 t o + 1 5 0 - 5 5 t o + 1 5 0 p f n s symbol v o l t s v o l t s v o l t s a m p s a m p s v o l t s v rrm v rms v dc i (av) i fsm v f i r c j 2.0 50 1.0 1.3 1.7 .0 9 8 (2 .5 0 ) .1 1 4 (2 .9 0 ) .0 0 6 (. 1 5 2 ) .0 1 2 (. 3 0 5 ) .1 8 8 (4 .8 0 ) .0 0 4 (. 1 0 2 ) .1 5 7 (4 .0 0 ) .0 5 5 (1 .4 0 ) .0 6 2 (1 .6 0 ) .0 7 8 (2 .0 0 ) .0 9 6 (2 .4 4 ) .0 3 0 (0 .7 6 ) .0 6 0 (1 .5 2 ) .1 8 1 (4 .6 0 ) .0 0 8 (. 2 0 3 ) .2 0 8 (5 .2 8 ) s m a / d o - 2 1 4 a c dime nsion s in in ches and ( millim eters ) o ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60hz, resistive or inductive load for capacitive load, derate current by 20% t j t stg t j t rr 50 35 50 100 70 100 200 300 140 210 200 300 400 280 400 600 420 600 800 560 800 1000 700 1000 5.0 100 50 30 50 75 a surface mount reverse vol tage 50 to 1000 vol ts surface mount reverse vol tage 50 to 1000 vol ts ultra fast rectifiers forward current - 2.0 amperes for surface mounted applications low profile package built-in strain relief easy pick and place ultrafast recovery times for high efficiency plastic package has underwriters laboratory flammability classification 94v-0 glass passivated junction high temperature soldering o 260 c/10seconds at terminals case jedec do-214ac molded plastic t erminals solder plated, solderable per mil-std-750, method 2026 polarity indicated by cathode band standard packaging 12mm tape (ela-481) weight 0.064grams maximum repetitive peak reverse voltage maximum rms voltage maximum dc blocking voltage 0 maximum average forward rectified current @ t l =100 c peak forward surge current 8.3ms single half sine- wave 0 superimposed on rated load (jedec method) t a =55 c maximuminstantaneous forward voltage at 2.0a dc 0 maximum dc reverse current @t a =25 c 0 at rated dc blocking voltage @t a =100 c typical junctionn capacitance (no te 2) 0 maximum reverse recovery time (note 1) t j =25 c maximum thermal resistance (note 3) operating and storage temperature range notes 1. rverse recovery test condibons i f =5a, i r =1a, l rr =0.25a 2. measured at 1 mhz and applied reverse voltag of 4.0vdc 3. measured on p .c.board with 0.2 x0.2 (5mmx5mm) copper pad area. us2a us2b us2d us2f US2G us2j us2k us2m www.paceleader.tw
2 ratings and characteristic curves us2aa thru us2ma us 2a th ru u s2m surface mount reverse vol tage 50 to 1000 vol ts surface mount reverse vol tage 50 to 1000 vol ts set time base for 10ns/cm 1cm -1.0 -0.25 0 +0.5a t rr 50 noninductive 1 non- inductive notes:1. rise time=7ns max. input impedance=1 megohm. 22pf 2. rise time=10ns max. source impedance=50 ohms. 10 noninductive d.u.t. oscilloscope note 1 pulse generator note 2 25 vdc (approx) (+) (+) () () fig. 6 - reverse recovery time characteristic and test circuit diagram 1 0 0 1 0 5 1.0 10 100 reverse volt age, volts fig. 5 - typical junction capacitance per bridge element 0 t =2 5 c j f= 1.0 m hz vs ig= 50 mv p- p c a p a c i t a n c e , p f 8.3ms single half since-wave jedec method 1 2 5 10 20 50 100 fig. 3 - maximum forward surge current fig. 1 - derating curve for output rectified current fig. 4 - typical reverse characteristics number of cycles at 60hz percent of rated peak reverse volt age p e a k f o r w a r d s u r g e c u r r e n t , a m p e r e s 60 50 40 30 20 10 20 40 60 80 100 120 140 i n s t a n t a n e o u s r e v e r s e c u r r e n t m i c r o a m p e r e s 10 1.0 0.1 0.01 0 t =2 5 c j 0 20 40 60 80 100 120 140 160 o lead temperature, c a v e r a g e f o r w a r d r e c t i f i e d c u r r e n t , a m p e r e s 2.4 2.0 1.6 1.2 0.8 0.4 0 sing le ph ase half w ave 60h z resi stive or indu ctiv e lo ad p.c.b m ount ed on 0 .3x0.3 "(8.0x 8.0m m) copp er pa d are as fig . 2 - t yp ica l f or wa rd ch ar ac te ris tic s pe r e le me nt 1.0 0.8 0.4 0.4 1.2 1.4 10 1.0 0.1 0.01 US2G us2m instantaneous for ward volt age, volts i n s t a n t a n e o u s f o r w a r d c u r r e n t , a m p e r e s ua2a 0 t =2 5 c j pu lse w idt h= 30 0 s 2% d uly c yc le www.paceleader.tw
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