current: 1.0 a voltage range: 400 - 600v 1S1834 - 1s1835 features low forward voltage drop high current capability and similar solvents easily cleaned with freon,alcohol,isopropanol the plastic material carries u/l recognition 94v-0 maximum recurrent peak reverse voltage v rrm 600 v max imum rms v olt age v rms 420 v maximum dc blocking voltage v dc 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 @ 1.5 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 <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. i fsm i f(av) 400 280 400 1.0 3. thermal resistance f rom junction to ambient. a 2. measured at 1.0mhz and applied rev erse v oltage of 4.0v dc. -55-----+150 -55-----+150 55 i r 10.0 12 a 100.0 350 1.2 60.0 a 1S1834 fast recovery rectifier diodes maximum ratings and electrical characteristics t a = 25 c unless otherwise specified single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. characteristic symbol weight : 0.465 gram case : do-15 molded plastic mechanical data epoxy : ul94v-o rate flame retardant lead : axial lead solderable per mil-std-202, polarity : color band denotes cathode end mounting position : any ! ! ! ! ! ! ! ! ! ! 1s1835 unit 1 of 2 www.sunmate.tw 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 method 208 guaranteed
.25 single phase half wave 60h z resistive or inductive load 25 0 50 75 .50 .75 1.00 1.25 1 2 5 1 0 0 1 5 0 1 7 5 1.5 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 s 1 . 8 2 . 0 0 1 10 10 20 30 50 60 70 40 10 0 4 2 60 20 68 t j =125 8.3ms single half sine-wave 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 amperes amperes junction capacitanc,pf nu m b e r o f c y c l e s a t 6 0 h z r e v e r s e v o l t a g e , v o l t s 2. rise time=10ns ma x. source impeda nce=5o instantaneous forward current fi g. 3 -- forward derati ng curve instantaneous forward voltage,volts ambient temperature, fi g. 5--peak forward surge current fi g. 6--typi cal juncti on capaci tance peak forward surge current notes: 1. rise time =7ns ma x. input impeda nce=1m .22pf fi g. 1 -- reverse recovery ti me characteri sti c and test ci rcui t di agram fi g. 2 --typi cal forward characteri sti c average forward rectified current set time base for 50/100 ns /cm .2 t j =25 f=1mhz 1 .1 2 4 .4 1 . 0 2 40 10 20 60 100 4 1 0 20 4 0 100 2 of 2 www.sunmate.tw
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