surface mount glass passivated voltage range 50 to 400 volts current 1.0 ampere rectron semiconductor technical specification features * glass passivated device * ideal for surface mounted applications * low leakage current * metallurgically bonded construction * mounting position: any * weight: 0.057 gram * epoxy : 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%. electrical characteristics (at t a = 25 o c unless otherwise noted) UFM101 thru ufm106 do-214ac maximum ra tings (at t a = 25 o c unless otherwise noted) super fast silicon rectifier notes : 1. t est 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) 2001-2 ratings maximum recurrent peak reverse voltage maximum rms volts maximum dc blocking voltage maximum average forward current at t a = 55 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 2) operating and storage temperature range symbol v rrm v dc i o i fsm c j t j , t stg v rms volts volts volts amps 1.0 30 15 -65 to + 175 amps pf 0 c units UFM101 ufm104 ufm102 ufm105 ufm106 ufm103 50 200 100 300 400 150 35 140 70 210 280 105 50 200 100 300 400 150 10 at rated dc blocking voltage characteristics maximum reverse recovery time (note 1) v f symbol i r trr units 0.92 5.0 uamps nsec maximum dc reverse current maximum forward voltage at 1.0a dc volts @t a = 25 o c @t a =150 o c UFM101 ufm104 ufm102 ufm105 ufm106 ufm103 1.20 50 20 mechanical data 0.012 ( 0.305 ) 0.006 ( 0.152 ) 0.008 ( 0.203 ) 0.004 ( 0.102 ) 0.209 ( 5.31 ) 0.185 ( 4.70 ) 0.035 ( 0.89 ) 0.059 ( 1.50 ) 0.067 ( 1.70 ) 0.091 ( 2.31 ) 0.160 ( 4.06 ) 0.180 ( 4.57 ) 0.086 ( 2.18 ) 0.110 ( 2.79 ) 0.067 ( 1.70 ) 0.051 ( 1.29 )
rectron rating and characteristic curves ( UFM101 thru ufm106 ) fig. 1 - test circuit diagram and reverse recovery time characteristic 50 [ noninductive 10 [ non-inductive d.u.t 25 vdc (approx) ( ?v ) ( ?v ) ( + ) ( + ) 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. trr +0.5a 0 -0.25a -1.0a 1cm set time base for 5/10 ns/cm fig. 2 - typical forward current derating curve average forward curent, (a) ambient temperature ( j ) 2.0 1.0 0 25 50 75 100 125 150 175 0 single phase half wave 60hz resistive or inductive load fig. 3 - typical reverse characteristics instantaneous reverse current, (ua) percent of rated peak reverse voltage, (%) t j = 25 j t j = 100 j t j = 150 j 100 10 1.0 .1 .01 40 0 20 60 80 100 120 140 instantaneous forward current, (a) instantaneous forward voltage, (v) 0 .2 .4 .6 .8 1.0 1.2 1.4 .001 .01 .1 1.0 10 fig. 4 - typical instantaneous forward characteristics UFM101~ufm104 ufm105~ufm106 pulse width = 300us 1% duty cycle t j = 25 j fig. 6 - 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 j junction capacitance, (pf) fig. 5 - maximum non-repetitive forward surge current peak forward surge current, (a) number of cycles at 60hz 70 60 50 40 30 20 10 0 .1 .5 1 2 5 10 20 50 400 200 100 t j = 25 j
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