features * glass passivated device * ideal for surface mounted applications * low leakage current * metallurgically bonded construction * mounting position: any weight: 0.225 grams (approximate) * epoxy : device has ul flammability classification 94v-0 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%. maximum ra tings (at t a = 25 o c unless otherwise noted) electrical characteristics (at t a = 25 o c unless otherwise noted) notes : 1. measured at 1.0 mhz and applied average voltage of 4.0vdc 2. thermal resistance junction to terminal 6.0mm 2 copper pads to each terminal. 3. thermal resistance junction to ambient, 6.0mm 2 copper pads to each terminal. 4. test conditions: i f = 0.5a, i r = -1.0a, i rr = -0.25a dimensions in inches and (millimeters) ratings maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at t a = 55 o c peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) typical junction capacitance (note 1) operating and storage temperature range symbol v rrm v dc i o i fsm c j t j , t stg v rms amps 3.0 100 50 -5 5 to + 1 50 0 c/w pf 0 c units volts volts maximum thermal resistance (note 2) r q jl FFM301 ffm303 ffm302 ffm304 ffm306 ffm305 ffm307 50 100 200 400 600 800 1000 50 100 200 400 600 800 1000 35 70 140 280 420 560 700 15 volts amps 80 0 c/w (note 3) r q ja characteristics maximum reverse recovery time (note 4) v f symbol i r trr 1.3 50 250 uamps uamps nsec maximum full load reverse current,full cycle average at t a = 55 o c maximum forward voltage at 3.0a dc volts units maximum dc reverse current at rated dc blocking voltage @t a = 25 o c @t a = 100 o c FFM301 ffm303 ffm302 ffm304 ffm306 ffm305 ffm307 10 150 250 500 uamps mechanical data halogen free product for packing code suffix "h" rohs product for packing code suffix "g" product type information * willas electronic corp. 2012.12 3.0a sufrace mount fast recovery rectifiers-50-1000v smcpackage FFM301 thru ffm307 * .2 80(7.1 1) .2 57(6.5 2) .2 45(6.2 2) .2 17(5.5 2) .1 28(3.2 5) .1 08(2.7 5) .3 20(8.1 3) .3 01(7.6 4) .1 03(2.6 2) .0 78(1.9 8) .0 12(0.3 05) .0 59(0.1 50) .0 59(1.5 1) .0 28(0.7 5) .0 08(0.2 03) .0 00(0.0 00) * case: do-214ab/smc molded plastic * *
rating and characteristic curves ( FFM301 thru ffm307 ) junction capacitance, (pf) fig. 4 - typical junction capacitance reverse voltage, ( v ) 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 t j = 25 fig. 1 - typical forward current average forward current, (a) ambient temperature, ( ) derating curve 5 4 3 2 1 0 0 25 50 75 100 125 150 175 single phase half wave 60hz resistive or inductive load fig. 3 - typical instantaneous forward characteristics instantaneous forward current, (a) instantaneous forward voltage, (v) t j = 25j pulse width=300us 1% duty cycle 20 10 3.0 1.0 0.3 0.1 .03 .01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 fig. 5 - 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. 22pf. 2. rise time = 10ns max. source impedance = 50 ohms. trr +0.5a 0 -0.25a -1.0a 1cm set time base for 50/100 ns/cm fig. 2 - maximum non-repetitive forward peak forward surge number of cycles at 60hz surge current current, (a) 8.3ms single half sine-wave (jeded method) 200 100 50 30 20 10 1 5 10 50 100 willas electronic corp. 2012.12 3.0a sufrace mount fast recovery rectifiers-50-1000v smcpackage FFM301 thru ffm307
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