elektronische bauelemente UMMD022~ummd024 20v~ 40v, 200 ma surface mount small signal schottky barrier rectifiers 24-dec-2009 rev. a page 1 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed i ndividually. cathode band g e e d a c b f rohs compliant product a suffix of -c specifies halogen & lead-free features lead less chip form, no lead damage lead-free solder joint, no wire bond & lead frame low power loss, high efficiency high current capability, low v f plastic package has underwriters laboratory flamma bility classification 94v-0 application switching mode power supply applications portable equipment battery applications high frequency rectification dc / dc converter telecommunication mechanical data case: packed with frp substrate and epoxy underfil led terminals: pure tin-plated (lead-free), solderable per mil-std-750, method 2026. polarity: laser cathode band marking weight : 0.003 gram marking absolute maximum ratings (t a = 25c unless otherwise specified) value parameter symbol UMMD022 ummd024 unit test condition repetitive peak reverse voltage v rrm 20 40 v average forward current i f(av) 200 ma peak forward surge current i fsm 2.0 a @ 8.3 ms half sine-wave junction temperature t j 125 operating and storage temperature t opr , t stg -40 ~ 125 c electrical characteristics (t a = 25c unless otherwise specified) type number symbol min typ max unit test condition - 0.30 - v i f = 50ma - 0.40 - i f = 100ma forward voltage v f - 0.43 0.45 i f = 200ma - 1.5 30 v r = 10v, t a = 25c repetitive peak reverse current i rrm - 8 50 a v r = max. v rrm , t a =25c junction capacitance c j - 35 - pf v r = 4v, f = 1.0 mhz typical thermal resistance, junction to ambient r ja - 160 - typical thermal resistance, junction to lead r jl - 110 - c / w 0603 millimeter millim eter ref. min. max. ref. min. max. a 1.50 1.70 e 0.30 0. 4 0 b 0.80 1.00 f r 0.20 c 0.70 typ. g 0.05 ref. d 0.50 0.80 d halogen-free type
elektronische bauelemente UMMD022~ummd024 20v~ 40v, 200 ma surface mount small signal schottky barrier rectifiers 24-dec-2009 rev. a page 2 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed i ndividually. ratings and characteristic curves 0 10 1 100 5 10 15 20 1000 reverse voltage, (v) juction capacitance (pf) fig. 5 - typical junction capacitance 0 0.10 0.150.05 0.20 0.25 50 75 100 150 25 125 0 average forward current, (a) lead temperature, ( o c) fig. 1 - typical forward current derating curve fig.2 - maximum non-repetitive peak forward surge current peak forward surge current, (a) number of cycles at 60hz 8.3ms single half sine-wave (jedec method) 0 1.51.0 2.00.5 2.5 1 10 100 fig.4 - typical reverse characteristics percent of rated peak reverse voltage v r (v) instantaneous reverse current, microamperes 0.100.01 0 1.0 10 100 1000 t j =100 o c t j =25 o c 10 20 30 40 0 0.1 1000 1 10 100 0.1 0.2 0.3 0.4 0.5 0.7 0.6 iinstantaneous forward current, (ma) forward voltage, (v) fig.3 - typical instantaneous forward characteristics ta=25 o c
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