by296 thru BY299 page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com 2a fast recovery plastic rectifier by296 thru BY299 features z low cost z ul 94v0 flame retardant epoxy molding compound z diffused junction z high surge current capability mechanical data z case: transfer molded, do201ad, dimensions in inches and (millimeters) z leads: solderable per mil-std-202,method 208 z polarity: cathode indicated by color band z weight: 1.2 grams maximum ratings and electrical characteristics ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% ratings symbol by296 by297 by298 BY299 units maximum recurrent peak reverse voltage v rrm 100 200 400 600 v maximum rms voltage v rms 70 140 280 420 v maximum dc blocking voltage v dc 100 200 400 600 v maximum average forward rectified current 0.375?(9.5mm) lead length at ta=55 c i o 2.0 a peak forward surge current, 8.3ms single half sine-wave superimposed on rated load i fsm 70 a typical junction capacitance (note 1) c j 60 pf typical thermal resistance (note 2) r ja 25 /w storage temperature range t stg - 55 to + 150 operating temperature range t op - 55 to + 150 electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol by296 by297 by298 BY299 units maximum forward voltage at i o dc v f 1.3 v maximum reverse current at 25 i r 10 a maximum reverse current at 100 i r 100 a maximum reverse recovery time (note 3) t rr 150 250 ns note: 1. measured at 1 mhz and applied reverse voltage 0f 4.0 volts 2. both leads attached to heat sink 35 35 1t(mm) copper plate at lead length 5mm 3. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a .375(9.5) .335(8.5) 1.0(25.4) min .220(5.6) .197(5.0) 1.0(25.4) min .052(1.3) .048(1.2)
by296 thru BY299 page: 2 ratings and characteristic curve by329x-1500 thru by329x-1500s +0.5a 0 -0.25a -1.0a trr 1c m set time base for 10/20 ns/cm fig. 1 -test circuit diagram and reverse recovery time characteristic pulse generator ( note 2 ) (+) 25 v dc (approx) (-) d.u.t. 1 non inductive oscilloscope ( note 1 ) 50 no inductive 10 no inductive (-) (+) note: 1. rise time=7ns max. input impedance=1 mohms 22pf 2. rise time =10 ns max. source impedance=50 ohms average forward current (a) 9.0 7.5 6.0 4.5 3.0 1.5 0 25 50 75 100 125 150 175 case temperature ( o c) fig. 2 -typical forward current derating curve single phase half wave 60hz resistive or inductive load fig. 4 -typical reverse characteristics 20 40 60 80 100 120 140 percent of rated peak reverse voltage (%) 100 10 1 0.1 0.01 t j =25 o c t j =125 o c instantaneous reverse current (ua) fig. 5 -typical junction capacitance .1 .2 .4 1.0 2 4 10 20 40 100 reverse voltage (v) 200 100 40 20 10 6 4 2 1 junction capacitance (pf) t j =25 o c fig. 3 -typical instantaneous forward characteristics 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 instantaneous forward voltage (v) 100 10 1.0 .1 .01 instantaneous forward current (a)
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