dated : 10/07/2003 semtech electronics ltd. ( subsidiary of semtech internati onal holdings limited, acompany listed on the hong kong stock exchange, stock code: 724 ) ? sr1020ct thru SR1060CT schottky barrier rectifiers reverse voltage ? 20 to 60 volts forward current ? 10 amperes features ? plastic package ha s underwriters labo ratory flammability classification 94v-0 ? metal of silicon rectif ier, majority carrier conduction ? guard ring for transient protection ? high capability ? low power loss, high efficiency ? high current capability, low forward voltage ? high surge capacity ? for use in low voltage, high frequency inverters free wheeling, and polarity protection applications mechanical data ? case: molded plastic body, to-220 ? terminals: axial leads, solderable per mil-std-202, method 208 ? polarity: as marked ? mounting position: any absolute maximum ratings and characteristics ratings at 25 0 c unless otherwise specified. single phase, half wave, resist ive or inductive load. for capacitive load, derate by 20% symbols sr1020ct sr1030ct sr1040ct sr1050ct SR1060CT units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 v maximum rms voltage v rms 14 21 28 35 42 v maximum dc blocking voltage v dc 20 30 40 50 60 v maximum average forward rectified current i (av) 10 a peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 175 a maximum instantaneous forward voltage at 5.0 a v f 0.55 0.70 v maximum reverse current t c = 25 o c at rated reverse voltage t c = 100 o c i r 0.5 50 ma typical junction capacitance (note 1) c tot 400 pf typical thermal resistance (note 2) r jc 3.0 o c/w operating junction temperature range t j -55 to +125 -55 to +150 o c storage temperature range t s -55 to +150 o c notes: (1) measured at 1mh z and applied reverse voltage of 4 volts (2) thermal resistance from junction to case per leg negative ct suffix "a" positive ct case pin 2 pin 3 pin 1 pin 3 pin 1 case pin 2 pin 3 pin 1 case pin 2 doubler suffix "d"
dated : 10/07/2003 semtech electronics ltd. ( subsidiary of semtech internati onal holdings limited, acompany listed on the hong kong stock exchange, stock code: 724 ) ? sr1020ct thru SR1060CT 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 sr1020ct-sr1040ct instantaneous forward voltage, v 0.1 0.2 1 10 0.8 0.6 0.4 11.1 sr1050ct-SR1060CT 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 a percent of rated peak reverse voltage, % typical forward characteristics per leg 50 0.001 0 0.01 0.1 40 80 120 140 tj=25 c tj=75 c typical reverse characteristics per leg 10 1 tj=125 c a v e r a g e f o r w a r d c u r r e n t , a case temperature( c) maximum non-repeitive peak forward surge current number of cycles at 60hz p e a k f o r w a r d s u r g e c u r r e n t , a 0 1 200 100 300 0 10 100 50 100 150 forward current derating curve 2.5 7.5 12.5 s r 1 0 2 0 c t - s r 1 0 4 0 c t s r 1 0 5 0 c t - s r 1 0 6 0 c t reverse voltage,v typical junction capacitance per leg j u n c t i o n c a p a c i t a n c e , p f 0.1 100 1 1000 4000 100 10 tj=25 c f=1mhz vsig=50mvp-p
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