- 158 - sr3020pt thru sr30100pt 30.0 amps. schottky barrier rectifiers voltage range 20 to 100 volts current 30.0 amperes 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 high temperature soldering guaranteed: 260 o c/10seconds,0.17?(4.3mm)lead len g ths at 5 lbs., (2.3k g ) tension mechanical data cases: jedec to-3p/to-247ad molded plastic terminals: leads solderable per mil-std-750, method 2026 polarity: as marked mounting position: any weight: 0.2 ounce, 5.6 grams to-3p/to-247ad dimensions in inches and (millimeters) maximum ratings and electrical characteristics rating at 25 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 sr30 20pt sr30 30pt sr30 40pt sr30 50pt sr30 60pt sr30 100pt units maximum recurrent peak reverse voltage v rrm 20 30 40 50 60 100 v maximum rms voltage v rms 14 21 28 35 42 70 v maximum dc blocking voltage v dc 20 30 40 50 60 100 v maximum average forward rectified current at tc=100 i (av) 30 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 300 a maximum instantaneous forward voltage @ 15.0a (note 3) v f 0.55 0.70 0.90 v maximum d.c. reverse current @ tc=25 at rated dc blocking voltage @ tc=100 i r 1.0 75 2.0 ma ma typical thermal resistance per leg (note 1) r jc 1.5 /w typical junction capacitance (note 2) cj 750 500 340 pf operating junction temperature range t j -65 to +125 -65 to +150 storage temperature range t stg -65 to +150 notes: 1 . thermal resistance from junction to case pe r leg, with heatsink size (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% dut y c y cle
- 159 - ratings and characteristic curves (sr3020pt thru sr30100pt) fig.2- maximum non-repetitive forward surge current per leg peak for ward surge current . (a) 1 2 5 10 20 100 50 0 50 200 150 100 250 300 number of cycles at 60hz fig.4- typical forward characteristics per leg instantaneous for ward current . (a) .2 .3 .4 .5 .6 .7 .8 .9 0.1 1.0 10 100 instantaneods forward voltage. (v) tj=25 c pulse width=300 s 2% duty cycle o sr3020pt -sr3040pt SR3050PT-sr3060pt fig.3- typical reverse characteristics per leg instantaneous reverse current milliamperes 0 20 40 60 80 100 120 140 0.01 .10 1.0 10 100 percent of rated peak reverse voltage. (%) tj=100 c 0 tj=25 c 0 tj=75 c 0 fig.1- forward current derating curve average for ward current . (a) 0 50 100 150 0 6 12 18 24 30 case temperature. ( c) o SR3050PT-30100pt sr3020pt-3040pt fig.5- typical junction capacitance per leg junction cap acitance.(pf) .1 .4 1.0 4 10 40 100 100 200 400 600 1000 800 2000 4000 reverse voltage. (v) SR3050PT-3060pt sr3020pt-3040pt tj=25 c f=1.0mhz vsig=50mvp-p 0 sr30100pt sr30100pt
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