dimensions in inches and (millimeters) - 152 - version: b07 sr2020pt - sr20150pt 20.0 amps. schottky barrier rectifiers to-3p/to-247ad features dual rectifier construction, positive center-tap plastic package has underwriters laboratory flammability classifications 94v-0 metal silicon junction, majority carrier conduction low power loss, high efficiency high current capability, low vf high surge capability epitaxial construction for use in low voltage, high frequency inverters, free wheeling, and polarity protection applications guardring for transient protection high temperature soldering guaranteed: 260 o c/10seconds,0.17?(4.3mm)lead lengths at 5 lbs., (2.3kg) tension mechanical data cases: jedec to-3p/to-247ad molded plastic terminals: pure tin plated, lead free. solderable per mil-std-750, method 2026 polarity: as marked mounting position: any weight: 0.2 ounce, 5.6 grams maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol sr 2020 pt sr 2030 pt sr 2040 pt sr 2050 pt sr 2060 pt sr 2090 pt sr 2100 pt sr 2150 pt units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 90 100 150 v maximum rms voltage v rms 14 21 28 35 42 63 70 105 v maximum dc blocking voltage v dc 20 30 40 50 60 90 100 150 v maximum average forward rectified current at tc=105 o c i (av) 20 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 200 a maximum instantaneous forward voltage @10.0a (note 3) v f 0.55 0.70 0.92 1.02 v 0.5 0.1 maximum d.c. reverse current @ tc=25 o c at rated dc blocking voltage @ tc=100 o c i r 15 10 5.0 ma ma typical junction capacitance (note 2) cj 600 400 350 pf typical thermal resistance per leg (note 1) r jc 1.5 o c/w operating junction temperature range t j -65 to +125 -65 to +150 o c storage temperature range t stg -65 to +150 o c notes: 1. thermal resistance from junction to case per leg, with heatsink size of 4? x 6? x 0.25? al-plate. 2. measured at 1 mhz and applied reverse voltage of 4.0v d.c. 3. 300 us pulse width, 2% duty cycle
ratings and characteristic curves (sr2020pt thru sr20150pt) fig.1- forward current derating curve average for ward current . (a) 0 50 100 150 0 4.0 8.0 12.0 16.0 20.0 case temperature. ( c) o version: bo7 fig.4- typical reverse characteristics per leg instantaneous reverse current . (ma) 0 20 40 60 80 100 120 140 .001 .01 .10 1.0 10 percent of rated peak reverse voltage. (%) tj=100 c 0 tj=25 c 0 fig.6- typical transient thermal impedance per leg transient thermal impedance. ( c/w) o 1 0.01 0.1 10 100 0.1 10.0 1 100 t, pulse duration. (sec) fig.2- maximum non-repetitive forward surge current per leg peak for ward surge current . (a) 1 2 5 10 20 100 50 100 50 200 150 250 300 number of cycles at 60hz 8.3ms single half sine wave per leg. (jedec method) tj=tj max. sr2050pt-20150pt sr2020pt-2040pt fig.3- typical forward characteristics instantaneous for ward current . (a) .2 .3 .4 .5 .6 .7 .8 .9 0.1 1.0 10 100 instantaneous forward voltage. (v) sr2050pt -2060pt fig.5- typical junction capacitance per leg capacitance.(pf) .1 .4 1 4 10 40 100 100 200 400 600 1000 800 2000 4000 reverse voltage. (v) tj=25 c f=1.0mhz vsig=50mvp-p 0 tj=25 c pulse width=300 s 2% duty cycle o sr2020pt-2040pt sr2090pt-20100pt 1.0 sr2090pt-20150pt sr2020pt-2040pt sr2050pt-2060pt sr20150pt
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