4008-378-873 1 1045 to-277b 10a, 45v ?? low vf schottky rectifier smd t j =100 i f =8a i f =2a test condition fo rward voltagedrop -- 0.31 r qja 31 storage temperature t j =25 i r 75 v f 0.30 -- ma v 0.06 t j =25 mako semiconductor co., limited 17 0.36 i f =10a v r =max.v rrm -- 0.41 reverse leakagecurrent -- 1/4 max unit rating t j =125 0.37 0.38 0.47 -- 0.41 -- 0.35 rating electrical characteristics symbol characterisrtic min typ unit thermal resistance, junction-to-ambiene junction temperature t j 150 averageforward current i f(av) 10 tstg -55~+150 i fsm 530 278 a maximum dc blocking voltage v rm 45 http://www.makosemi.hk/ /w v mj surge non repetitive forward current (8.3ms single half sine- wave) characteristic repetitive peak reverse voltage features high current capability, low forward voltage excellent high temperature stability low power loss, and high ef ficiency high forward surge capability patented package technology applications switching mode power supply applications portable equipment battery applications high frequency rectification dc/dc converter designed as bypass diodes for solar panels absolute maximum ratings (t a =25c,unless otherwise specified) unit v rrm 45 ????? thermal characteristics characteristic symbol single pulse davalanche energy (i as =12a, l=10mh) e as rating symbol right pin bottomside heat sink package: to-277b top viewbottom view left pin
t a , derated ambient temperature ( ) v r , dc revetse voltage (v) i f , instantaneous foreard current (a) fig-3.forward current derating curve i r , instantaneous reverse current ( a) c t , total capacitance (pf) i f , average foreard current (a) t a , ambient temperature ( ) fig-5. total capacitance vs. reverse voltage v f , instantaneous forward voltage (v) v r , instantaneous reverse voltage (v) fig-2.typical reverse characteristics fig-1.typical forward characteristics v r , dc revetse voltage (v) fig-4.operating temperature derating curve 1045 to-277b 10a, 45v ?? low vf schottky rectifier smd 2 makos 24 http:// z z z p d n r v h p l k n
suggested pad layout pcb ?? smd ? to-277 to-277b qfn5 6 powerdi5 a 0.260(6.60) 0.055(1.40) g f e d 0.035(0.90) 0.031(0.80) 0.142(3.60) 0.152(3.87) c b 0.185(4.70) to-277btape & reel ?5000 ?5kpcs/reel ? 10000 ? 10kpcs/box 0.264 (6.70) 0.248 (6.30) 2 1 3 0.073 (1.85) 0.069 (1.75) 0.028 (0.71) 0.016 (0.41) 0.124 (3.15) 0.112 (2.85) 0.014 (0.35) 0.010 (0.25) 0.077 (1.98) 0.069 (1.76) 0.028 (0.71) 0.016 (0.41) 0.037 (0.95) 0.033 (0.85) 0.037 (0.95) 0.033 (0.85) 0.069 (1.74) 0.057 (1.44) 0.049 (1.25) 0.037 (0.95) 0.145 (3.69) 0.133 (3.39) 0.216 (5.48) 0.208 (5.28) 0.163 (4.13) 0.151 (3.83) 1045 to-277b 10a, 45v ?? low vf schottky rectifier smd 4008-378-873 3 mako semiconductor co., limited 3/4 http://www.makosemi.hk/
?????? makosemi ???????et?? 1045 to-277b 10a, 45v ?? low vf schottky rectifier smd 4 makos 4/4 http:// z z z p d n r v h p l k n
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