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2045ct srf2060ct maximum ratings and electrical characteristics (ratings at 25 c ambient temperature unless otherwise specified ,single phase ,half wave ,resistive or inductive load. for capacitive load, derate by 20%.) features mechanical data case : jedec ito-220ab molded plastic body terminals : lead solderable per mil-std-750,method 2026 polarity : as marked mounting position : any weight : 0.08ounce, 2.24 gram dimensions in inches and (millimeters) plastic package has underwriters laboratory flammability classification 94v-0 metal silicon junction ,majority carrier conduction guard ring for overvoltage protection low power loss ,high efficiency high current capability ,low forward voltage drop high surge capability for use in low voltage ,high frequency inverters, free wheeling ,and polarity protection applications dual rectifier construction high temperature soldering guaranteed:260 c/10 seconds,, 0.25"(6.35mm)from case component in accordance to rohs 2002 / 95 / ec and weee 2002 / 96 / ec notes : 1.pulse test: 300 s pulse width,1% duty cycle 2.thermal resistance from junction to case srf2020ct thru srf20200ct schottky barrier rectifier reverse voltage - 20 to 200 volts forward current - 20amperes maximum repetitive peak reverse voltage v rrm v olts v olts v olts v olts m a a mps a mps v rms v dc i (av) i fsm t stg v f i r r jc maximum rms voltage maximum dc blocking voltage maximum instantaneous forward voltage at 20.0 a t =25 c t =125 c c c typical thermal resistance (note 2) operating junction temperature range storage temperature range maximum instantaneous reverse current at rated dc blocking voltage(note 1) peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) -65 to+150 -65 to+150 3.0 0.2 30 50 0.85 c/w c c t j 20 14 20 30 21 30 50 35 50 60 42 60 80 56 80 100 70 150 10.0 20.0 200.0 symbols units srf 2020ct srf 2030ct srf srf 2050ct srf 2060ct srf 2080ct srf 20100ct srf 20150ct srf 20200ct 150 105 200 140 200 100 0.60 0 . 90 0.75 0 . 95 ito-220ab 1.161(29.5) 0.177(4.50) 0.104(2.64) 0.029(0.73) 0.111(2.83) 0.140(3.55) 0.110(2.80) 0.187(4.75) 0.138(3.50) 0.551(14.00) 0.029(0.73) 1.083(27.5) 0.138(3.50) 0.096(2.44) 0.019(0.47) 0.101(2.57) 0.128(3.25) dia 0.102(2.60) 0.167(4.25) 0.130(3.30) 0.512(13.00) 0.019(0.47) pin 1 2 3 0.130(3.31) 0.111(2.81) 0.056(1.43) 0.043(1.10) 0.410(10.41) 0.390(9.91) 0.067(1.70) 0.059(1.50) maximum average forward rectified current(see fig.1) per leg total device 1/2 45 45 31.5
0.001 0.01 1 0.1 10 50 80 120 160 100 140 20 0 40 60 80 100 1 10 100 fig.1-forward current derating curve fig.2-maximum non-repetitive peak forward surge current fig.3-typical instantaneous forward characteristics fig.4-typical reverse characteristics 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 ) 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 ) 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 ) instantaneous forward voltage (volts) reverse voltage. volts t, pulse duration ,sec. percent of rated peak reverse voltage% number of cycles at 60hz t j =t j max 8.3ms single half sine-wave (jedec method) t j =125 c t j =25 c t j =75 c 1 10 0.1 0.1 0.1 0.01 1 1 10 10 100 100 100 1000 4000 100 fig.5-typical junction capacitance fig.6-typical transient thermal impedance j u n c t i o n c a p a c i t a n c e ( p f ) t r a n s i e n t t h e r m a l i m p e d a n c e , c / w t j =25 c f=1.0mh z vsig=50mvp-p 0 50 100 150 0 4 12 8 20 16 a v e r a g e f o r w a r d c u r r e n t a m p e r e s lead temperature ( c) inductive or resistive load 0.01 0.1 1 50 10 0 0.2 0.1 0.3 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 pulse width=300 s 1% duty cycle t j =125 c t j =25 c 180 200 2/2 srf2020ct thru srf20200ct schottky barrier rectifier reverse voltage - 20 to 200 volts forward current - 20amperes

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