by396 thru by399 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 3a fast recovery plastic rectifier by396 thru by399 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 by396 by397 BY398 by399 units maximum recurrent peak reverse voltage v rrm 100 200 400 800 v maximum rms voltage v rms 70 140 280 560 v maximum dc blocking voltage v dc 100 200 400 800 v maximum average forward rectified current 0.375?(9.5mm) lead length at ta=55 c i o 3.0 a peak forward surge current, 8.3ms single half sine-wave superimposed on rated load i fsm 100 a typical junction capacitance (note 1) c j 28 pf typical thermal resistance (note 2) r ja 20 /w storage temperature range t stg - 55 to + 150 operating temperature range t op - 55 to + 125 electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol by396 by397 BY398 by399 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 63.5x63.5x1t(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)
by396 thru by399 page: 2 1cm 200 100 50 10 100 10 1.0 0.1 .01 ratings and characteristic curve by396 thru by399 +0.5a 0 -0.25a -1.0a trr 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 =10ns max. source impedance=50 ohms fig. 4-typical junction capacitance t a -ambient temperature ( c) fig. 2-maximum current derating curve 0 20 40 60 80 100 120 140 160 180 200 io-average rectified current ( a ) 3.0 2.0 1.0 0 single phase half wave 60hz resistive or inductive load fig. 3-maximum forward surge number of cycles peak forward surge current amperes 1 10 100 number of cycles at 60 hz 8. 3ms single half sine-wave (jedec method) 100 10 1 capacitance, pf t j =25 o c f = 1 mhz vsig = 50 mvp-p 1 10 100 reverse voltage, volts fig. 5-typical instantaneous forward characteristics instantaneous forward voltage, (v) instantaneous forward current amperes 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 t j =25 o c pulse width =300us 1% duty cycle
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