www.galaxycn.com bl features mechanical data mounting position: any maximum ratings and electrical characteristics sr 1560ct units maximum recurrent peak reverse voltage v rrm 60 v working peak reverse voltage v rms 42 v ma x imu m dc b lo c kin g v o lt a g e v dc 60 v maximum average f orw ard rectif ied current h @ t a =100 i f(av) a peak forw ard surge current 8.3 ms single half b sine-w ave superimposed on rated load v (jedec method) @t a =125 i fsm a maximum instantaneous forw ard voltage per leg h @ 7.5a (note1) v f v maximum reverse current @t a =25 at rated dc blocking voltage @t a =100 operating junction temperature range t j storage temperature range t stg reverse voltage: 20 - 60 v forward current: 15 a 50.0 sr1520ct-sr1560ct galaxy electrical 15.0 single phase,half wave,60 hz,resistive or inductive load. for capacitive load,derate by 20%. ratings at 25 ambient temperature unless otherwise specified. 30 40 50 high surge capability 14 200.0 0.75 0.65 to-220ab 1.0 dual schottky rectifiers the plastic material carries u/l recognition 94v-0 epitaxial construction for use in low voltage,high frequency inverters free xxxx wheeling,and polarity protection applications low forward voltage drop,low switching losses case:jedec to--220ab,molded plastic terminals: plated leads, solderable per mil-std- 111 111 202, method 208 -55 --- +150 metal-semiconductor junction with guard ring weight: 0.08 ounce, 2.24 grams sr 1540ct sr 1550ct 20 i r sr 1520ct sr 1530ct polarity: as m arked -55 --- +150 note: 1. pulse test:300us pulse width,1% duty cy cle. 21 28 35 20 30 40 50 ma bl galaxy electrical document number 0267002 1. zz
.001 10 1 0 60 .1 80 100 t j =25 ?? t j =75 ?? t j =125 ?? .01 4020 sr1520ct-SR1540CT sr1550ct-sr1560ct 100 1 10 1000 4000 100 0.1 t j =25 sr1520ct-SR1540CT sr1550ct-sr1560ct 0 3 9 6 15 12 0 5 0 100 150 18 resistive or inductive load www.galaxycn.com bl galaxy electrical document number 0267002 2. amperes milliamperes amperes amperes ratings and characteristic curves fig. 4 -- peak forward surge current sr1520ct --- sr1560ct case temperature, percent of rated peak reverse voltage, % average forward current fi g. 2 -- typi cal reverse characteri sti cs per leg fi g. 1 --forward current derati ng curve instantaneous reverse current number of cycle at 60hz instantaneous forward voltage, volts instantaneous forward current, peak forward surge current transient thermal impedance, /w pulse duration, sec junction capacitance, pf fig.3 -- typical instantaneous forward characteri sti cs per leg reverse voltage, volts fi g. 5 -- typi cal juncti on capaci tance fig.6 -- typical transient thermal impedance .01 50 .4 1 .5 .7 .8 sr1520ct-SR1540CT 0 .1 .2 .3 1.21.0 .1 10 sr1550ct-sr1560ct t j =125 t j =25 pulse width = 300
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