??? single pulse davalanche energy (i as =12a, l=10mh) e as rating symbol 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 50 v mj surge non repetitive forward current (8.3ms single half sine- wave) a maximum dc blocking voltage v rm 50 averageforward current i f(av) 15 tstg -55~+150 i fsm 530 295 junction temperature t j 150 0.36 electrical characteristics symbol characterisrtic min typ max unit rating t j =125 0.41 0.46 0.47 -- 0.41 -- 0.40 i f =15a v r =max.v rrm -- 0.43 -- 0.076 t j =25 16 reverse leakagecurrent t j =25 i r 60 v f 0.30 -- ma v test condition fo rward voltagedrop -- 0.33 r qja (1) 73 storage temperature t j =100 i f =10a i f =3a note: 1. fr-4 pcb, 2oz. copper. note: 2. polymide pcb, 2oz. copper. cathode pad dimensions 18.8mm 14.4mm. anode pad dimensions 5.6mm 14.4mm. r qja (2) 31 thermal resistance, junction-to-ambiene /w right pin bottomside heat sink symbol package: to-277b (smd) top viewbottom view left pin 1550 to-277b 15a, 50v ?? low vf schottky rectifier smd 4008-378-873 1 mako semiconductor co., limited 1/4 http:// www.makosemi.hk/
fig-4. operating temperature derating curve v f , instantaneous forward voltage (v) v r , instantaneous reverse voltage (v) fig-2. typical reverse characteristics fig-1. typical forward characteristics i f , average foreard current (a) t a , ambient temperature ( ) i r , instantaneous reverse current ( a) fig-3. forward current derating curve c t , total capacitance (pf) i f , instantaneous foreard current (a) p d , power dissipation (w) average forward current, i f(av) (a) fig-5. total capacitance vs. reverse voltage v r , dc revetse voltage (v) 1550 to-277b 15a, 50v ?? low vf schottky rectifier smd 4008-378-873 2 mako semiconductor co., limited 24 http://www.makosemi.hk/
to-277b ???tape & reel ? 5000 ? 5kpcs/reel ? 10000 ? 10kpcs/box 0.185(4.70) 0.031(0.80) 0.142(3.60) 0.152(3.87) c bf e d 0.035(0.90) smd ? to-277 to-277b qfn5 6 powerdi5 a 0.260(6.60) to-277bpackage dimensionsinch (millimeters) 0.055(1.40) g suggested pad layout pcb ?? 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) 1550 to-277b 15a, 50v ?? low vf schottky rectifier smd 4008-378-873 3 mako semiconductor co., limited 3/4 http:// www.makosemi.hk/
?????? makosemi ???????et?? 4008-378-873 4 mako semiconductor co., limited 4/4 http://www.makosemi.hk/ 1550 to-277b 15a, 50v c(6j(m
?h#` u1u ?? : low vf schottky rectifier smd
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