20a/45v ultra low vf schottky rectifier features machanical data ? high current capability, low forward voltage ? excellent high temperature stability ? low power loss, and high efficiency ? high forward surge capability ? rohs compliant, and halogen free ? case: to-277 small outline plastic package ? terminal: matte tin plated, solderable per mil-std-750, method 2026 ? molding compound flammability rating:ul94-0 ? high temperature soldering guaranteed: 260 /10second ? packed with frp substrate and epoxy underfilled ordering information applications ? device: SD20U45SL ? package: to-277 ? marking: 20u45 ? material: halogen free ? packing: tape & 13?? reel ? quantity per reel: 3,000pcs ? switching mode power supply applications ? portable equipment battery applications ? high frequency rectification ? dc/dc converter ? designed as bypass diodes for solar panels pin configuration package outline absolute maximum rating (tamb=25 c, unless otherwise specified) symbol parameter value units v rrm repetitive peak reverse voltage 45 v i f(av) average forward current 20 a i fsm peak forward surge current, 8.3ms single half sine-wave 280 a t j & t stg junction and storage temperature -40~+150 c http://www.luguang.cn email:lge@luguang.cn SD20U45SL
electrical characteristics (tamb=25 c, unless otherwise specified) symbol parameter test condition min typ max units v f forward voltage (note 1) i f = 2a 0.31 0.35 v i f = 8a 0.37 0.38 v i f = 10a 0.39 0.41 v i f = 15a 0.45 0.48 v i f = 20a 0.51 0.54 v v br reverse breakdown voltage i r = 0.5ma 45 v i r reverse leakage current v r = 45v 0.3 ma v r = 45v, @100 40 ma r th(ja) thermal resistance (note 2) 31 /w note 1: pulse test width pw=300usec, 1% duty cycle note 2: polymide pcb, 2oz. copper. cathode pad dim ensions 18.8x14.4mm. anode pad dimensions 5.6x14.4mm electrical characteristics curve http://www.luguang.cn email:lge@luguang.cn SD20U45SL
no dimensions (mm) no dimensions (mm) a 1.25 0.10 e 1.84 typ a2 0.25 0.05 e1 5.30 0.10 b1 0.90 0.10 e2 3.50 0.10 b2 1.80 0.10 l 0.80 0.15 d 3.95 0.10 l1 0.60 0.10 d2 3.00 typ w 1.30 0.20 e 1.25 0.10 to-277 package outline dimensions http://www.luguang.cn email:lge@luguang.cn SD20U45SL
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