dated : 24/09/20 03 semtech electronics ltd. ( subsidiary of semtech internati onal holdings limited, acompany listed on the hong kong stock exchange, stock code: 724 ) ? HER801 thru her808 glass passivated high efficiency rectifiers reverse voltage ? 50 to 1000 volts forward current ? 8.0 amperes features ? plastic package has underwriters laboratory flammability classification 94v-0 utilizing flame retardant epoxy molding compound ? low power loss, high efficiency ? low forward voltage, high current capability ? high surge capacity ? ultra fast recovery times, high voltage mechanical data ? case: molded plastic to-220a ? mounting position: any ? terminals: leads solderable per mil-std-202, method 208 guaranteed ? polarity: as marked maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specifi ed. single-phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. symbols her 801 her 802 her 803 her 804 her 805 her 806 her 807 her 808 units maximum recurrent peak reverse voltage v rrm 50 100 200 300 400 600 800 1000 v maximum rms voltage v rms 35 70 140 210 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 300 400 600 800 1000 v maximum average forward rectified current .375?(9.5mm) lead length at t c = 100 o c i (av) 8.0 a peak forward surge current , 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 150 a maximum forward voltage @ 8.0a v f 1.0 1.3 1.7 v maximum reverse current @ t a = 25 o c at rated dc blocking voltage @ t a = 125 o c i r i r 10 500 ua ua typical junction capacitance (note 1) c j 80 50 pf maximum reverse recovery time (note 2) t rr 50 80 ns typical thermal resistance (note3) r jc 3.0 o c/w operating temper ature range t j -55 to +150 o c storage temperature range t s -55 to +150 o c note: 1. measured at 1 mhz and appli ed reverse voltage of 4.0 volts d.c. 2. reverse recovery test conditions: i f = 0.5a, i r = 1.0a , i rr = 0.25a. 3. thermal resistance from junction to case mounted on heat sink. case negative suffix "r" case positive pin 1 pin 2 case pin 2 pin 1 case
dated : 24/09/20 03 semtech electronics ltd. ( subsidiary of semtech internati onal holdings limited, acompany listed on the hong kong stock exchange, stock code: 724 ) ? HER801 thru her808 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 ) 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 , ( ) 60 percent of rated peak reverse voltage, (%) 20 0 0.1 1 10 40 140 100 80 t j =25 c o 120 t j =125 c typical reverse characteristics 100 1000 o forward voltage, (v) 0.01 0.4 1 0.1 0.6 0.8 her806-her808 1.0 1.2 1.4 1.6 1.8 fig. 4-typical forward characteristics HER801-her804 10 100 h e r 8 0 5 number of cycles at 60hz 8.3ms single half sine wave jedec method fig. 5-maximum non-repetitive forward surge current p e a k f o r w a r d s u r g e c u r r e n t ( a ) 90 1 30 60 5 2 120 150 50 10 20 100 200 reverse voltage. (v) fig. 6-typical junction capacitance 90 j u n c t i o n c a p a c i t a n c e ( p f ) 1 0 30 60 HER801-her805 her806-her808 10 100 120 150 1cm reverse recovery time characteristic and test circuit diagram 10 noninductive notes:1. rise time=7ns max. input impedance= 1 megohm 22 pf 2. rise time=10ns max. sourse impedance= 50 ohms ratings and characteristic curves 1 non inductive 50 noninductive (+) 50vdc (appox) (-) dut oscilloscope (note 1) -1.0a pulse generator (note 2) +0.5a -0.25a 0 trr case temperature, c maximum forward current derating curve a v e r a g e f o r w a r d c u r r e n t ( a ) set time base for 5/10ns/cm 4 0 50 20 16 12 8 100 o 150
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