zowie (45v / 5.0a) SCD545UH absolute maximum ratings (ta = 25 o c) v rrm v i f(av) a i fsm a t j, t stg 8.3ms single half sine-wave item average forward current symbol conditions unit peak forward surge current rating 45 80 -55 to +150 5 repetitive peak reverse voltage operating junction and storage temperature range schottky barrier diode * halogen-free type * compliance to rohs product * lead less chip form, no lead damage * low power loss, high efficiency * high current capability, low vf * plastic package has underwriters laboratory flammability classification 94v-0 features * switching mode power supply applications * portable equipment battery applications * high frequency rectification * dc / dc converter * telecommunication application * 3,000 pieces per 7" (178mm 2mm) reel * 4 reels per box * 6 boxes per carton packing case : packed with frp substrate and epoxy underfilled terminals : pure tin plated (lead-free), solderable per mil-std-750, method 2026. polarity : laser cathode band marking weight : 0.02 gram mechanical data o c electrical characteristics (ta = 25 o c) v f i f = 5.0a item symbol conditions min. typ. v - 0.49 0.54 max. unit forward voltage (note 1) o c/w - 102 - r th(ja) junction to ambient (note 2) thermal resistance o c/w - 18 - r th(jc) junction to case (note 2) pf - 120 - c j v r = 4v, f = 1.0 mhz junction capacitance ma - 0.05 0.20 i rrm repetitive peak reverse current v r = max. v rrm , ta = 25 o c t c = 83 o c 2013/09 rev. 0 notes : (1) pulse test width pw=300usec , 1% duty cycle. (2) mounted on p.c. board with 0.2 x 0.2"(5.0 x5.0mm) copper pad areas. uni t : mm outline dimensions marking equivalent : sma do-214ac case : 2010 2.20 0.1 0. 5 0 0.95 0.2 0.95 0.2 4.5 0.1 0.96 + 0.2 - 0.1 scd 545u .
zowie (45v / 5.0a) SCD545UH 2013/09 rev. 0 fig.1 - forward current derating curve average forward rectified current, amperes 6 4 5 3 2 1 0 0 25 50 125 175 150 75 100 resistive or inductive load p.c.b. mounted on 0.2x0.2"(5.0x5.0mm) copper pad areas case temperature, o c fig.4 - typical reverse characteristics percent of rated peak reverse voltage,% instantaneous reverse current, milliamperes 0.01 .001 0 20 0.10 1.0 10 100 t j =100 o c t j =125 o c t j =150 o c t j =25 o c 40 60 80 100 fig.5 - typical junction capacitance t j = 25 o c f=1.0mhz vsig=50mvp-p reverse voltage, volts .1 junction capacitance, pf 400 1.0 10 100 100 10 fig.3 - typical instantaneous forward characteristics iinstantaneous forward current, amperes instantaneous forward voltage, volts 0.10 1.00 10.00 0.01 0.2 0.1 0 0.4 0.3 0.6 0.5 t j = 125j t j = 150j t j = 100j t j = 25j fig.2 - maximum non-repetitive peak forward surge current peak forward surge current, amperes number of cycles at 60hz 8.3ms single half sine-wave 0 10 20 30 50 60 70 40 80 1 10 100
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