rectron semiconductor technical specification features * glass passivated device * ideal for surface mounted applications * low leakage current * metallurgically bonded construction * mounting position: any * weight: 0.098 gram 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%. fm301b thru fm307b do-214aa maximum ra tings (at t a = 25 o c unless otherwise noted) surface mount voltage range 50 to 1000 volts current 3.0 amperes glass passivated silicon rectifier 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, 10.0x10.0mm 2 copper pads to each terminal. 3. thermal resistance junction to ambient, 10.0x10.0mm 2 copper pads to each terminal. dimensions in inches and (millimeters) 2002-6 ratings maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current t a = 75 o c peak forward surge current i fm (surge): 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 35 -55 to + 150 0 c/w pf 0 c units volts volts typical thermal resistance fm301b fm303b fm302b fm304b fm306b FM305B fm307b 50 100 200 400 600 800 1000 50 100 200 400 600 800 1000 35 70 140 280 420 560 700 10 volts amps 60 0 c/w (note 2) r q jl (note 3) r q ja characteristics v f symbol i r 1.1 250 uamps uamps maximum full load reverse current, maximum forward voltage at 3.0a dc volts units maximum dc average reverse current at rated dc blocking voltage @t a = 25 o c @t a = 125 o c fm301b fm303b fm302b fm304b fm306b FM305B fm307b 5.0 full cycle average at t a = 7 5 o c uamps 30 mechanical data * epoxy : device has ul flammability classification 94v-0 0.012 ( 0.305 ) 0.006 ( 0.152 ) 0.008 ( 0.203 ) 0.004 ( 0.102 ) 0.220 ( 5.59 ) 0.205 ( 5.21 ) 0.030 ( 0.76 ) 0.060 ( 1.52 ) 0.084 ( 2.13 ) 0.096 ( 2.44 ) 0.160 ( 4.06 ) 0.180 ( 4.57 ) 0.130 ( 3.30 ) 0.155 ( 3.94 ) 0.083 ( 2.11 ) 0.077 ( 1.96 )
rectron rating and characteristic curves ( fm301b thru fm307b ) fig. 1 - typical forward current average forward current, (a) ambient temperature, ( ) derating curve 2.5 3.0 2.0 1.5 1.0 .5 0 0 25 50 75 100 125 150 175 single phase half wave 60hz resistive or inductive load fig. 3 - maximum non-repetitive forward peak forward surge current, (a) number of cycles at 60hz surge current 1 2 4 6 8 10 20 40 60 80100 180 150 120 90 60 30 8.3ms single half sine-wave (jeded method) junction capacitance, ( pf ) fig. 5 - 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. 2 - typical instantaneous forward characteristics instantaneous forward instantaneous forward voltage, (v) t j = 25 pulse width=300 u s 1% duty cycle current, (a) .6 .8 1.0 1.2 1.4 1.5 20 10 4 2 1.0 .4 .2 .1 .04 .02 .01 t j = 25 fig. 4 - typical reverse characteristics instantaneous reverse current, (ua) percent of rated peak reverse voltage, (%) 0 20 40 60 80 100 120 140 .01 .04 .1 .4 10 1.0 4
mounting pad layout rectron dimensions in inches and (millimeters) 0.083 min. (2.10 min.) 0.050 min. (1.27 min.) 0.220 ref 0.106 max. (2.69 max.)
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