zowie (20v~40v / 1.0a) SCD12LH thru scd14lh uni t : mm absolute maximum ratings (ta = 25 o c) v rrm SCD12LH 20 scd14lh 40 v i f(av) a i fsm a t j t stg 30 -55 to +125 -55 to +150 8.3ms single half sine-wave item average forward current symbol conditions unit peak forward surge current operating junction temperature range rating 1.0 repetitive peak reverse voltage 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 forward voltage drop * 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 outline dimensions o c o c electrical characteristics (ta = 25 o c) v f item symbol conditions min. typ. i f = 0.5a i f = 1.0a v - - 0.31 0.37 - 0.38 max. unit forward voltage (note 1) o c/w - 55 - r th(ja) junction to ambient (note 2) thermal resistance o c/w - 17 - r th(jl) junction to lead (note 2) pf - 115 - c j v r = 4v, f = 1.0 mhz junction capacitance ma - 0.35 1.0 i rrm repetitive peak reverse current v r = max. v rrm , ta = 25 o c 2007/10 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. marking cathode mark amps class series code low vf voltage class scd jedec : sma do-214ac l . 1 2.20 0.1 0. 5 0 0.95 0.2 0.95 0.2 4.5 0.1 0.05 0.96 + 0.2 - 0.1 halogen-free type case : 2010
zowie (20v~40v / 1.0a) SCD12LH thru scd14lh 2007/10 rev. 0 fig.1 - forward current derating curve average forward rectified current, amperes 1.0 0.5 0 0 25 50 75 100 125 150 resistive or inductive load p.c.b. mounted on 0.2x0.2"(5.0x5.0mm) copper pad areas lead temperature, o c instantaneous forward voltage, volts 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 (jedec method) 0 5 10 15 25 20 30 1 10 100 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 40 60 80 100 120 140 fig.5 - typical junction capacitance tj = 25 o c f=1.0mhz vsig=50mvp-p reverse voltage, volts .1 junction capacitance, pf 400 1.0 10 100 100 10 tj=80 o c tj=25 o c 0 0.001 10 0.01 0.10 1.00 0.1 0.2 0.3 0.4 0.5 iinstantaneous forward current, (a) fig.3 - typical instantaneous forward characteristics ta = 2 5 o c
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