galaxy electrical features low cost diffused junction glass passivated junction high current capability the plastic material carries u/l recognition 94v-o mechanical data case:jedec r-1,molded plastic terminals: axial lead ,solderable per mil- std-202,method 208 polarity: color band denotes cathode weight: 0.007 ounces,0.20 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%. 1a3 g 1a4 g 1a5 g 1a6 g 1a7 g units maximum recurrent peak reverse voltage v rrm 200 400 600 800 1000 v ma x imu m rms v o lt a g e v rms 140 280 420 560 700 v ma x imu m dc b lo c kin g v o lt a g e v dc 200 400 600 800 1000 v maximum average f orw ard rectif ied 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 @ 1.0 a v f v maximum reverse current @t a =25 at rated dc blocking voltage @t a =100 typical junction capacitance (note1) c j pf typical thermal resistance (note2) r ja /w operating junction temperature range t j storage temperature range t stg 1a1 g 1A2G 50 100 2. thermal resistance from junction to ambient. a 5.0 glass passivated rectifiers a a easily cleaned with freon,alcohol,lsopropanol and similar solvents i f(av) 1.0 i fsm note: 1. measured at 1.0mhz and applied reverse voltage of 4.0v dc. - 55 ---- + 175 - 55 ---- + 175 i r 15 1.0 1a1 g --- 1a7g 50 100 70 voltage range: 50 --- 1000 v current: 1.0 a 35 50 r-1 50.0 30.0 www.galaxycn.com bl bl galaxy electrical document number 0269036 1. dimensions in millimeters
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=300us .2 2 1 .1 4 .4 1.0 2 40 10 20 60 100 4 10 20 40 100 f=1mhz t j =25 0 1 10 100 t j = 125 8.3ms single half sine-wave 10 20 30 bl galaxy electrical www.galaxycn.com document number 0269036 2. 0 .2 .4 .6 .8 0 25 50 75 100 125 150 single phase half wave 60h z resistive or inductive load 0.375"(9.5mm) lead length 1.0 200 175 amperes capacitance, pf amperes average forward current, amperes fi g. 1 --typi cal forward characteri sti c fi g. 2 -- typi cal juncti on capaci tance ra tings and characteristic curves 1a1g---1a7g instantaneous forward voltage,volts reverse voltage,volts peak forward surge current instantaneous forward current fi g. 3 -- peak forward surge current fi g. 4 -- forward derati ng curve ambient temperature, number of cycles at 60hz
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