maximum ratings and electrical chara cteristics rating 25 c ambient temperature uniess otherwies specified. single phase half wave, 60hz, resistive or inductive load.for capacitive load, derate current by 20%. type number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 2.0a maximum dc reverse current t a=25 c at rated dc blocking voltage t a=100 c maximum reverse recovery time (note 1) typical junction capacitance (note 2) notes: 1. reverse recovery time test condition: if=0.5a, ir=1.0a, irr=0.25a 2. measured at 1mhz and applied reverse voltage of 4.0v d.c. smh201a thru SMH208A vol t age range current 2.0 amp surf ace mount high efficiency rectifiers mechanical da t a * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * metallurgically bonded construction * polarity: color band denotes cathode end * mounting position: any fea tures * ideal for surface mount applications * easy pick and place * built-in strain relief * fast switching speed operating and storage t emperature range t j , t stg at t l =75 c dimensions in inches and (millimeters) do-214ac(sma) .205(5.20) .189(4.80) .177(4.50) .157(3.99) .012(0.31) .006(0.15) .058(1.47) .052(1.32) .087(2.20) .071(1.80) .060(1.52) .030(0.76) .110(2.79) .100(2.54) .005 (.127) max. 2.0 60 5.0 100 25 -65 +150 a a pf c v 50 100 200 300 400 600 800 1000 50 100 200 300 400 600 800 1000 35 70 140 210 280 420 560 700 v v 1.0 1.3 1.85 v ns 50 75 units smh smh smh smh smh smh smh smh 201a 202a 203a 204a 205a 206a 207a 208a a a 50 to 1000 volts 462 2.0 amperes
0.01 0.1 .001 1.0 10 fig.1-typical forward characteristics fig.2-typical forward current dera ting curve a v e r a g e f o r w a r d c u r r e n t , ( a ) 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 ) forward volt age,(v) pulse width 300us 1% duty cycle 0.4 0.8 1.2 1.6 2.0 2.4 (+) (+) 25vdc (approx.) ( ) ( ) pulse generator (note 2) oscilliscope (note 1) 1 non-inductive w notes: 1. rise time= 7ns max., input impedance= 1 megohm.22pf. 2. rise time= 10ns max., source impedance= 50 ohms. +0.5a 0 -0.25a -1.0a | || | | | | | 1cm set time base for 50 / 10ns / cm trr d.u.t. .4 .6 .8 1.0 1.2 1.4 1.6 1.8 fig.3- test circuit diagram and reverse recovery time characteristics 10 noninductive 50 noninductive w w tj=25 c single phase half wave 60hz resistive or inductive load 0 20 40 60 80 100 120 140 160 180 200 0 s m h 2 0 1 a ~ s m h 2 0 3 a s m h 2 0 4 a ~ s m h 2 0 5 a s m h 20 6a ~ s m h 20 8a lead temperature ( c) fig.5-typical junction capacit ance reverse voltage,(v) j u n c t i o n c a p a c i t a n c e , ( p f ) .01 .05 .1 .5 1 5 10 50 100 70 60 50 40 30 20 10 0 fig.4-maximum non-repetitive forward surge current 0 20 40 80 100 60 number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method p e a k f o r w a r d s u r g e c u r r e n t , ( a ) rating and characteristic curves (smh201a thru SMH208A) 463
|
