- 242 - SF2004PT thru sf2005pt 20.0 amps. glass passivated super fast rectifiers voltage range 200 to 350 volts current 20.0 amperes features dual rectifier construction, positive center-tap plastic package has underwriters laboratory flammability classifications 94v-0 glass passivated chip junctions superfast recovery time, high voltage low forward voltage, high current capability low thermal resistance low power loss, high efficiency high temperature soldering guaranteed: 260 o c / 10 seconds, 0.16?(4.06mm) lead lengths at 5 lbs., (2.3kg) tesion 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 SF2004PT sf2005pt units maximum recurrent peak reverse voltage v rrm 200 350 v maximum rms voltage v rms 140 247 v maximum dc blocking voltage v dc 200 350 v maximum average forward rectified current at tc=100 i (av) 20 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 280 a maximum instantaneous forward voltage @10.0a v f 0.95 1.3 v maximum d.c. reverse current at rated dc blockin g voltage @ tc=25 i r 10.0 ua maximum reverse recovery time(note 2) t j =25 trr 35 ns typical junction capacitance (note 1) cj 175.0 pf typical thermal resistance (note 3) r jc 2.5 / w operating junction temperature range t j -55 to +150 storage temperature range t stg -55 to +150 notes: 1 . measured at 1 mhz and applied reverse voltage of 4.0v d.c. 2. reverse recovery test conditions: i f =0.5a, i r =1.0a, recover to 0.25a. 3. thermal resistance from junction to case mount on heatsink. size of 3" x 5" x 0.25" al-plate.
- 243 - fig.1- reverse recovery time characteristic and test circuit diagram 50 noninductive non inductive oscilloscope (note 1) pulse generator (note 2) dut (+) 50vdc (approx) (-) notes: 1. rise time=7ns max. input impedance= 1 megohm 22pf 2. rise time=10ns max. sourse impedance= 50 ohms (-) (+) 10 noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm ratings and characteristic curves (SF2004PT thru sf2005pt) fig.4- maximum non-repetitive forward surge current per leg peak for ward surge current . (a) 1 5 10 20 100 50 150 100 50 0 250 300 200 number of cycles at 60hz 8.3ms single half sine wave jedec method t = t max. jj fig.2- maximum forward current derating curve average for ward current . (a) 0 50 100 150 0 5 10 15 20 25 case temperature. ( c) o fig.3- typical reverse characteristics per leg instantaneous reverse current micro amperes 0 20 40 60 80 100 120 140 0.1 10 100 1000 percent of rated peak reverse voltage. (%) fig.5- typical junction capacitance per leg capacitance.(pf) .1 .5 1.0 5.0 10.0 50 100 20 10 50 100 200 500 1000 reverse voltage. (v) tj=25 c f=1mhz vsig=50mvp-p 0 fig.6- typical instantaneous forward characteristics per leg instantaneous for ward current . (a) 1.6 1.8 0.4 0.2 0.6 0.8 1.0 1.2 1.4 40 10 0.1 forward voltage. (v) pulse width=300 s 2% duty cycle 2 s f20 05p t s f2 004p t 0 20 0.2 1.0 1.0
|
