features low cost diffused junction low leakage low forward voltage drop high current capability and s im ilar s olvents mechanical data case:jedec do-27,molded plastic terminals: axial lead ,solderable per mil- std-202,method 208 polarity: color band denotes cathode weight:0.041ounces, 1.15 grams mounting position: any maximum ratings and electrical characteristics ratings at 25 ambient temperature unless otherwise specified. single phase,half wave,60 hz,resistive or inductive load. for capacitive load,derate by 20%. b y w95b b y w95c u n i t s maximum recurrent peak reverse voltage v rrm 400 600 v max imum rms v oltage v rms 280 420 v maximum dc blocking voltage v dc 400 600 v maximum average forw ard rectified current 9.5mm lead length, @t a =75 peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @t j =125 maximum instantaneous forw ard voltage @ 3.0 a v f v maximum reverse current @t a =25 at rated dc blocking voltage @t a =100 maximium reverse recovery time (note1) t rr ns typical junction capacitance (note2) c j pf typical thermal resistance (note3) r ja <d operating junction temperature range t j storage temperature range t stg note: 1. measured with i f =0.5a, i r =1a, i rr =0.25a. 3. thermal resistance f rom junction to ambient. 32 3.0 7 0 . 0 1.5 10.0 b y w 9 5 a (z) -- - b y w 9 5 c (z) voltage range: 200 --- 600 v current: 3.0 a a f a st r ecove r y r e c t i f i er s i f(av) 200 d o - 2 7 easily cleaned with freon,alcohol,isopropanol the plastic material carries u/l recognition 94v-0 b y w95a 200 140 a i fsm 2. measured at 1.0mhz and applied rev erse v oltage of 4.0v dc. a i r -55-----+150 100.0 250 22 -55-----+150 dimensions in millimeters www.diode.kr diode semiconductor korea
pulse generator (note2) d.u.t. 1 n.1. 50 n.1. oscilloscope (note 1) (+) 50vdc (approx) (-) 10 n.1. (-) (+) - 1 . 0 a - 0 . 25a 0 + 0 . 5 a t rr 1cm t j - 25 t j - 125 0 20 40 60 80 100 120 140 0.01 0.1 1.0 10 0.6 0 .8 1.0 1 .2 1.4 1 .6 0.01 0.02 0.06 0.04 0.1 0.2 0.4 1.0 2 4 10 100 t j =25 pulse width=300 ?? 8.3ms single half sine-wave 100 40 60 80 20 0 0.6 1.2 1.8 2.4 3.0 025 100 150 0 175 50 125 75 single phase half wave 60hz resistive or inductive load amperes amperes amperes reverse current,microamperes average forward rectified current 2. rise time = 10ns max. source impedance = 50 peak forward surge current instantaneous forward current fi g. 3 --peak forward surge current fig.2 --forward derating current instantaneous forward voltage,volts percent of rated reversevoltage ,% fi g. 4--typi cal forward characteri sti c fi g. 5--typi cal reverse characteri sti cs BYW95A (z) ---byw95c (z) ambient temperature, number of cycles at 60 hz notes: 1. rise time = 7ns max. input impedance = 1m . 22pf set time base for 50/100 ns /cm fi g. 1 -- reverse recovery ti me characteri sti c and test ci rcui t di agram www.diode.kr diode semiconductor korea
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