maximum ratings & electrical characteristics mechanical data features data sheet no. sbda-302-1b mechanical specification ratings at 25 c ambient temperature unless otherwise specified. single phase, half wave, 60hz, resistive or inductive load. for capacitive loads, derate current by 20%. average forward rectified current @ t = 90 c (t measured on cathode lead, 1/32 in. from case)) ll parameter (test conditions) maximum dc blocking voltage peak forward surge current ( 8.3ms single half sine wave superimposed on rated load) maximum forward voltage at 3 amps dc maximum peak recurrent reverse voltage maximum rms voltage series number i o v rms v rrm v rm symbol sk304 sk302 ratings volts amps units volts v fm i fsm sk306 sk307 SK310 20 40 60 70 100 20 40 60 70 100 14 28 42 49 70 3 120 0.5 100 0.7 0.8 typical thermal resistance, junction to ambient junction operating temperature range maximum average dc reverse current at rated dc blocking voltage (note 1) i rm r ja t j t stg c/w c ma typical junction capacitance (note 2) c j storage temperature range pf @t = 25 c l @ t = 100 c l 0.5 20 20 250 -65 to +125 -65 to +150
-65 +150 to 3 amp schottky barrier rectifiers metal semiconductor junction with guard ring epitaxial construction low forward voltage drop high current capacity for use in low voltage, high frequency inverters, free wheeling, and polarity protection applications 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) a7 (1) lead temperature reference is cathode lead 1/32 in from case. (2) measured at 1mhz & applied reverse voltage of 4 volts notes: color band denotes cathode ld (dia) bd (dia) ll bl ll actual size of do-27 package sym in mm minimum maximum bl bd ll ld 1.00 0.048 in mm 0.365 0.205 0.052 9.28 5.2 1.3 25.4 1.2 series sk302 - SK310 do-27 tel.: (310) 767-1052 fax: (310) 767-7958 diotec electronics corp. gardena, ca 90248 u.s.a 18020 hobart blvd., unit b
rating & characteristic curves for series sk302 - SK310 data sheet no. sbda-302-2b tel.: (310) 767-1052 fax: (310) 767-7958 diotec electronics corp. gardena, ca 90248 u.s.a 18020 hobart blvd., unit b figure 4. typical reverse characteristics figure 3. typical forward characteristics instantaneous forward voltage (volts) instantaneous forward current amperes 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.1 1.0 10 2.25 0.75 1.50 3.00 3.75 0 0 50 100 150 figure 1. forward current derating curve case temperature, c average forward current, io (amperes) figure 2. maximum non-repetitive surge current number of cycles at 60 hz peak forward surge current (amperes) 1 10 100 180 150 120 90 60 3 amp schottky barrier rectifiers
note 1 note 2 note 3 a8 0.85 (2) (2) (1) (1) (1) sk302-304 (2) sk306-310 (1) sk302-304 (2) sk306-310 (1) sk302-304 (2) sk306 (3) sk307-310 (2) (3) (1) instantaneous reverse current, i r (milliamperes) percent of rated peak reverse voltage 0 60 80 100 120 0.001 0.01 0.1 1.0 10.0 40 140 20 notes (1) single phase, half wave, 60 hz, resistive or inductive load, 0.375" (9mm) lead length (2) jedec method, 8.3 msec. single half sine wave, tc = 95 c (3) t = 25 c, pulse width = 300 sec, 2.0% duty cycle (4) legend for figure 4, typical reverse characteristics: j sk302-306 sk307-310 30 .1 50 t = 125 c j o t = 75 c j o t = 25 c j o note 4
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