features * plastic package has underwriters laboratory flammability classification 94v-0 * low power loss,high efficiency * for use in low voltage high frequency inverters, free wheeling,and polarity protection applications * guardring for over voltage protection * high temperature soldering guaranteed: 260c/10 seconds at terminals mechanical data case: jedec do-214ac, molded plastic over glass body terminals: plated axial leads, solderable per mil-std-750, method 2026 polarity: color band denotes cathode end mounting position: any weight: 0.0026 oz., 0.075 g we declare that the material of product compliance handling precautin:none with rohs requirements 1.electrical characteristic maximum & thermal characteristics ratings at 25c ambient temperature unless otherwise specified. parameter symbol symbol sm320a sm330a sm340a sm350a sm360a sm380a sm3100 a unit device marking code s32 s33 s34 s35 s36 s38 s310 maximum repetitive peak reverse voltage v rrm 20 30 40 50 60 80 100 v maximum rms voltage v rms 14 21 28 35 42 56 70 v maximum dc blocking voltage v dc 20 30 40 50 60 80 100 v maximum average forward rectified current at ta = 75c if(av) a peak forward surge current 8.3ms single half sine- wave superimposed on rated load (jedec method) i fsm a typical thermal resistance (note 1) r ja c/w operating junction and storage temperature range tj, tstg c electrical characteristics ratings at 25c ambient temperature unless otherwise specified. parameter symbol symbol sm320a sm330a sm340a sm350a sm360a sm380a sm3100 a unit maximum instantaneous forward voltage at 3.0a v f v maximum dc reverse current ta = 25c at rated dc blocking voltage ta = 100c ir ma typical junction capacitance at 4.0v, 1mhz cj pf notes: 1. thermal resistance from junction to ambient lead length, p.c.b. mounted 50 0.85 0.5 10.0 sm320a thru sm3100a schottky barrier rectifiers reverse volta g e 20 to100v forward current 3.0a 110 ?40 to +150 0.50 0.70 3.0 100
2.ratings and characteristic curves ( ta = 25c unless otherwise noted ) sm320a thru sm3100a fig. 1 C forward current derating curve fig. 2 C maximum non-repetitive peak forward surge current fig 4. C typical reverse characteristics fig 3. C typical instantaneous forward characteristics fig 6. C typical junction capacitance average forward rectified current (a) peak forward surge current (a) instantaneous forward current (a) instantaneous reverse current (ma) junction capacitance (pf) 0 25 50 75 100 125 150 175 1 10 100 0.2 0.4 0.6 0.8 1.0 1.2 0 20 40 60 80 100 0.1 1 10 100 1000 100 10 10 1.0 0.1 0.01 0.001 10 1.0 0.1 0.01 100 3.0 1.5 0 100 50 0 60 hz resistive or inductive load tj = tj max 8.3ms single half sine-wave (jedec method) tj = 25c pulse width = 300s 1% duty cycle tj = 25c f = 1.0 mhz vsig = 50mvp-p ambient temperature, c n umber of cycles at 60hz instantaneous forward voltage (v) percent of rated peak reverse voltage (%) reverse voltage (v) tj=125 tj=75 tj=25 fig 5. C typical transient thermal impedance transient thermal impedance(c/w) 10 1.0 0.1 100 0.01 0.1 1.0 10 100 t,pulse duration,sec
3. dimension: sm320a thru sm3100a
4. update record 1 ? 2 ? sm320a thru sm3100a 1.vf 2.???150? 2010-6-8 2010-4-28 ?? ?
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