metal-semiconductor junction with guard ring epitaxial construction low forward voltage drop,low switching losses high surge capability case:jedec do--27,molded plastic polarity: color band denotes cathode weight: 0.041ounces,1.15 grams mounting position: any ratings at 25 ambient temperature unless otherwise specified. single phase,half wave,60 hz,resistive or inductive load. for capacitive load,derate by 20%. sr530 SR540 sr550 sr560 sr580 sr5a0 units maximum recurrent peak reverse voltage v rrm 30 40 50 60 80 100 v ma x i mu m rms v o lt ag e v rms 21 28 35 42 56 70 v maximum dc blocking voltage v dc 30 40 50 60 80 100 v maximum average forw ard rectif ied current 9.5mm lead length, (see fig.1) peak f orw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @t j =125 maximum reverse current @t a =25 at rated dc blocking voltage @t a =100 typical junction capacitance (note2) c j pf typical thermal resistance (note3) r ja /w operating junction temperature range t j storage temperature range t stg - 55 ---- + 125 - 55 ---- + 150 500 400 maximum instantaneous f orw ard voltage @ 5.0a (note 1) v f 2.5 50.0 25.0 v 0.55 0.7 0.85 150.0 20 sr520 14 20 5.0 3.thermal resistance junction to ambient ma i r i fsm note: 1. pulse test:300us pulse width,1% duty cy cle. 2. measured at 1.0mhz and applied rev erse v oltage of 4.0v dc. a 25 - 55 ---- +150 a for use in low voltage,high frequency inverters free wheeling,and polarity protection applications i f(av) voltage range: 20 --- 100 v current: 5.0a do - 27 the plastic material carries u/l recognition 94v-0 maximum ratings and electrical characteristics dimensions in millimeters sr520-sr5a0 s chottky barrier rectifiers features m echani cal d ata http://www.luguang.cn mail:lge@luguang.cn
amperes amperes amperes capacitance,pf reverse voltage,volts instantaneous forward current fig.3 -- typical instantaneous forward xxxxxxx ---- characteristics peak forward surge current fig.4 -- typical junction capacitance lead temperature, number of cycles at 60hz instantaneous forward voltage, volts fig.1 -- forward current derating curve fig.2 -- peak forward surge current average forward rectified current 0.01 50 0.1 1 0 0.2 0.4 0.6 1.2 1.4 0.8 1.0 1.6 10 sr520 - SR540 sr550 - sr560 tj=25 pulse width=300 s 1% duty cycle 1000 4000 0.1 1 10 100 100 sr520 - SR540 sr550 - sr5a0 t j =25 ?? f=1.0mhz vsig=50mvp-p 100 1 10 100 50 125 75 0 150 25 t j =t j max 8.3ms single half sine-wave 2.0 4.0 0 0 3.0 1.0 5.0 25 50 75 100 125 150 175 sr520 - SR540 sr550 - sr5a0 resistive or inductive load 0.375"(9.5mm) lead length sr580-sr5a0 sr520-sr5a0 s chottky barrier rectifiers ratings and charactieristic curves http://www.luguang.cn mail:lge@luguang.cn
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