ds23025 rev. 5 - 3 1 of 2 sr302-sr306 www.diodes.com diodes incorporated low forward drop high surge current capacity guard ring for transient protection low power loss, high efficiency mechanical data case: do-201ad, molded plastic plastic package: ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020a terminals: axial lead, solderable per mil-std-202, method 208 polarity: cathode band weight: 1.2 grams (approx.) notes: 1. lead temperature t l measured 9.5mm lead length from body. 2. thermal resistance from junction to ambient vertical pc board mounting, 1.27mm lead length. 3. measured at 1.0mhz and applied reverse voltage of 4.0v. features sr302 - sr306 high current schottky barrier rectifier characteristic symbol sr302 sr303 sr304 sr305 sr306 unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 20 30 40 50 60 v rms reverse voltage v r(rms) 14 21 28 35 42 v average rectified output current (note 1) t l = 95 c t l = 100 c i o 3.0 3.0 a non-repetitive peak forward surge current 8.3ms half sine-wave superimposed on rated load (jedec method) i fsm 80 a forward voltage @i f = 3.0a v f 0.55 0.72 v peak reverse current at @ t a = 25 c rated dc blocking voltage @ t a = 100 c i r 1.0 20 ma typical thermal resistance (note 2) r ja 20 c/w typical total capacitance (note 3) c t 300 pf operating and storage temperature range t j ,t stg -65 to +150 c do-201ad dim min max a 25.40 b 7.20 9.50 c 1.20 1.30 d 4.80 5.30 all dimensions in mm a a b c d maximum ratings and electrical characteristics @ t a = 25 c unless otherwise specified single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. not recommended for new designs, use sb3x0 series
ds23025 rev. 5 - 3 2 of 2 sr302-sr306 www.diodes.com 0 1.0 2.0 3.0 single phase half wave 60hz resistive or inductive load 4.0 20 40 60 80 100 120 140 i , average rectified output current (a ) o t , lead temperature (c) fi g . 1, forward current deratin g curve l sr302 sr303 sr304 sr305 sr306 0 20 40 60 80 100 1 10 100 i , peak forward surge current (a) fsm number of cycles at 60 hz fi g . 4, max non-repetitive peak fwd sur g e current 8.3ms single half sine-wave jedec method 10 100 1000 0.1 1.0 10 100 c,t o tal capacitance (pf) t v , reverse voltage (volts) fig. 3, typical total capacitance r t = 25c j 0.1 1.0 10 4 0 0.1 0.5 0.7 0.9 1.1 0.3 i , instantaneous fwd current (a) f v instantaneous fwd voltage (v) fi g .2, t y pical forward characteristics f, sr302 sr303 sr304 sr305 sr306 important notice life support diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes witho ut further notice to any product herein. diodes incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on our website, harmless against all damages. diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written appr oval of the president of diodes incorporated.
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