mechanical data features data sheet no. SESA-301-1B mechanical specification 3 amp ultrafast recovery diodes case: jedec do-27 molded epoxy (u/l flammability rating 94v-0) terminals: plated axial leads solderability: per mil-std 202 method 208 guaranteed polarity: color band denotes cathode mounting position: any weight: 0.04 ounces (1.12 grams) c9 (1) measured at 1 mhz and an applied reverse voltage of 4 volts. average forward rectified current @ t = 55 c a o peak forward surge current ( 8.3ms single half sine wave superimposed on rated load) maximum forward voltage at 3 amps dc i o volts amps v fm i fsm 3 160 1.25 typical thermal resistance, junction to lead junction operating and storage temperature range maximum average dc reverse current at rated dc blocking voltage i rm r q ja t j, t stg c/w c m a typical junction capacitance (note 1) c j pf @ t = 25 c c o @ t = 125 c c o 5 5020 -65 to +150 3.01 ufr300 notes: color banddenotes cathode ld (dia) bd (dia) ll bl ll do - 27 maximum reverse recovery time (i =0.5a, i =1a, i =0.25a) f r rr t rr nsec 1.7 50 45 actual size of do-27 package sym in mm minimum maximum bl bdll ld 1.00 0.048 in mm 0.3650.205 0.052 9.285.2 1.3 25.4 1.2 75 maximum ratings & electrical characteristics parameter (test conditions) maximum dc blocking voltage maximum peak recurrent reverse voltage maximum rms voltage series number v rms v rrm v rm symbol ratings units volts ufr 300 ufr 301 ufr 302 ufr 303 ufr 304 ufr 305 ufr 306 ufr 308 ufr 310 5050 100100 200200 300300 400400 35 70 140 210 280 500500 600600 800800 10001000 350 420 560 700 series ufr300 - ufr310 tel.: (310) 767-1052 fax: (310) 767-7958 diotec electronics corp. gardena, ca 90248 u.s.a 18020 hobart blvd., unit b low switching noise low thermal resistance high switching capability low forward voltage drop r proprietary junction passivation for superior reliability and performance soft glass void free vacuum die soldering for maximum mechanical strength and heat dissipation (solder voids: typical < 2%, max. < 10% of die area) rohs compliant
rating & characteristic curves for series ufr300 - ufr310 data sheet no. sesa-301-2b figure 4. typical reverse characteristics figure 3. typical forward characteristics instantaneous forward voltage (volts) 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 1.0 0.1 10 100 0.01 percent of rated peak reverse voltage figure 2. maximum non-repetitive surge current number of cycles at 60 hz 1 10 100 150 160125 175 10075 50 25 3 amp ultrafast recovery diodes 4.97bsesa3a 100 120 140 notes (1) single phase, half wave, 60 hz; lead length = 0.375" (9.5mm) (2) jedec method, 8.3 msec. single half sine wave; (3) t = 25 c, pulse width = 300 sec, 2.0% duty cycle j o m c10 t = 100 c j o t = 25 c j o 20 0 40 60 80 t = 150 c j o note 3 figure 5. typical junction capacitance reverse voltage, (volts) 1 10 100 120 8040 0 160 200 0.1 ufr300-304 ufr300-305 ufr306-310 ufr305-310 figure 1. forward current derating curve ambient temperature, c o note 1 resistive and inductive loads tel.: (310) 767-1052 fax: (310) 767-7958 diotec electronics corp. gardena, ca 90248 u.s.a 18020 hobart blvd., unit b
|
