fast recovery rectifier voltage range 1000 to 1800 volts current 0.5 ampere rectron semiconductor technical specification features * fast switching * low leakage * low forward voltage drop * high current capability * high currenf surge * high reliability mechanical data * case: molded plastic * epoxy: device has ul flammability classification 94v-o * lead: mil-std-202e method 208c guaranteed * mounting position: any maximum ratings and electrical characteristics ratings 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%. electrical characteristics (at t a = 25 o c unless otherwise noted) ffm10w thru ffm18w smx maximum ra tings (at t a = 25 o c unless otherwise noted) notes : 1. reverse recovery test conditions: i f = 0.5a, i r = -1.0a, i rr =- 0.25a 2. measured at 1 mh z and applied reverse voltage of 4.0 volts dimensions in inches and (millimeters) 2003-1 ratings maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at t a = 25 o c peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) typical junction capacitance (note 2) operating and storage temperature range symbol v rrm v dc i o i fsm c j t j , t stg v rms units volts volts volts amps 0.5 25 15 -55 to + 150 amps pf 0 c ffm16w 1600 1120 1600 ffm10w 1000 1000 700 ffm18w 1800 1800 1260 ffm15w 1500 1050 1500 ffm12w 1200 1200 840 ffm14w 1400 1400 980 at rated dc blocking voltage t a = 25 o c characteristics maximum full load reverse current full cycle average, .375 (9.5mm) lead length at t l = 55 o c maximum reverse recovery time (note 1) v f symbol i r trr ffm10w ffm12w ffm14w ffm15w ffm16w ffm18w units 1.8 5.0 100 300 uamps uamps nsec maximum dc reverse current maximum instantaneous forward voltage at 0.5a dc volts .209 (5.31) .185 (4.70) .091 (2.31) .067 (1.70) .110 (2.79) .086 (2.18) .011 (0.28) .007 (0.18) .180 (4.57) .160 (4.06) .059 (1.50) .035 (0.89) .010 (0.25) .008 (0.20) .067 (1.70) .051 (1.30)
rectron rating and characteristic curves ( ffm10w thru ffm18w ) fig. 2 - maximum non-repetitive forward peak forward surge current, (a) number of cycles at 60hz 35 30 25 20 15 10 5 0 1 10 100 8.3ms single half sine-wave (jedec method) surge current single phase half wave 60hz inductive or resistive load fig. 1 - typical forward current average forward current, (ma) ambient temperature, ( ) derating curve 0 50 100 150 175 500 400 300 200 100 0 trr +0.5a 0 -0.25a -1.0a 1cm set time base for 50/100 ns/cm fig. 3 - test circuit diagram and reverse recovery time characteristic 50 noninductive 10 noninductive d.u.t 25 vdc (approx) ( - ) ( - ) ( + ) ( + ) 1 non- inductive oscilloscope (note 1) pulse generator (note 2) notes: 1 rise time = 7ns max. input impedance = 1 megohm. 22 pf. 2. rise time = 10ns max. source impedance = 50 ohms.
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