1 of 2 features a a b c d do-15 dim min max a 25.40 b 5.50 7.62 c 0.686 0.889 d 2.60 3.60 all dimensions in mm maximum ratings and electrical characteristics @ t a = 25 c unless otherwise specified mechanical data single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. low cost diffused junction low leakage low forward voltage drop high current capability easily cleaned with freon,alcohol,isopropanol the plastic material carries u/l recognition 94v-0 and s im ilar s olvents case:jedec do-15,molded plastic terminals: axial lead ,solderable per polarity: color band denotes cathode weight: 0.014 ounces,0.39 grams mounting position: any mil- std-202,method 208 byv37-BYV38 2.0a axial leaded fast recovery rectifier units maximum recurrent peak reverse voltage v rrm v max imum rms v olta ge v r m s v maximum dc blocking voltage v dc v maximum average f orw ard rectif ied current 9.5mm lead length, @t a =75 peak f orw ard surge current 8.3ms single half -sine-w ave superimposed on rated load @t j =125 maximum instantaneous f orw ard voltage @ 1 . 0 a v f v maximum reverse current @t a =25 at rated dc blocking voltage @t a = 100 maximum reverse recovery time (note1) t rr ns typical junction capacitance (note2) c j pf typical thermal resistance (note3) r ja k/w 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. 8 00 1000 560 700 8 00 1000 byv 37 a i fsm 3 . t h e r m a l r e s i s t a n c e f r o m j u n c t i o n to a m b i e n t ,i=10mm,t l =constant. a 2. measured at 1.0mhz and applied rev erse v oltage of 4.0v dc. - 55---- +150 - 55---- +150 45 i r 300 5 0 . 0 5.0 1 0 0 1.1 1 5 byv 38 2.0 a i f(av)
0 . 6 0 . 7 0.8 0.9 1 . 0 1 . 1 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 s 1 . 2 1.3 100 0 0 50 2 5 75 200 1 50 1 25 1 75 225 1.0 0. 5 1. 5 2.0 single phase half wave 60hz resistive or inductive load pulse generator (note2) d.u.t. 1 n.1. 50 n.1. oscilloscope (note 1) (+) 50vdc (approx) (-) 10 n.1. (-) (+) -1.0a -0.25a 0 +0.5a t rr 1cm amperes current,amperes peak forward surge current amperes junction capacitance,pf fi g. 7 --typi cal juncti on capaci tance fi g. 4-- peak forward surge current average forward rectified 2. rise time = 10ns ma x. source impeda nce = 50 fi g. 1 -- reverse recovery ti me characteri sti c and test ci rcui t di agram n o t e s : 1 . r i s e t i m e = 7 n s m a x . i n p u t i m p e d a n c e = 1 m . 2 2 p f s e t t i m e b a s e f o r 5 0 / 1 0 0 n s / c m fi g. 2 --typi cal forward characteri sti c number of cycles at 60hz reverse voltage,volts instantaneous forward current f i g . 3 - - f o r w a rd d e r a t i ng c ur r e n t instantaneous forward voltage,volts ambient temperature, 1 .1 1 . 0 2 4 6 10 40 20 100 60 200 4 10 20 40 1 0 0 .2 .4 2 t j =25 f=1mhz 10 20 30 50 10 0 50 5 0.1 40 8.3ms single half sine-wave 2of2
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