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ct micro rev 1 proprietary & confidential page 1 aug, 2013 ct852 4-pin high power photodarlington optocoupler package outline schematic note: different lead forming options available. see package dimension. features ? ?? ? high isolation 5000 vrms ? ?? ? ctr : min 1000% ? ?? ? high b vceo = 350v ? ?? ? operating temperature range - 55 c to 110 c applications ? ?? ? switch mode power supplies ? ?? ? computer peripheral interface ? ?? ? microprocessor system interface ? ?? ? controller for ssr, dc motor ? ?? ? telephone line interface description the ct852 series consists of high voltage photodarlington optically coupled to a gallium arsenide infrared-emitting diode in a 4-lead dip package with bending options.
ct micro rev 1 proprietary & confidential page 2 aug, 2013 ct852 4-pin high power photodarlington optocoupler absolute maximum rating at 25 o c symbol parameters ratings units notes v iso isolation voltage 5000 v rms t opr operating temperature -55 ~ +100 o c t stg storage temperature -55 ~ +150 o c t sol soldering temperature 260 o c emitter i f forward current 80 ma i f(trans) peak transient current ( 1 s p.w,300pps) 1 a v r reverse voltage 6 v p d power dissipation 150 mw detector p d power dissipation 300 mw b vceo collector-emitter breakdown voltage 350 v b veco emitter-collector breakdown voltage 0.1 v i c collector current 150 ma
ct micro rev 1 proprietary & confidential page 3 aug, 2013 ct852 4-pin high power photodarlington optocoupler electrical characteristics t a = 25c (unless otherwise specified) emitter characteristics symbol parameters test conditions min typ max units notes v f forward voltage i f =10ma 1.2 1.4 v i r reverse current v r = 5v - - 5 a c in input capacitance f= 1mhz - 45 - pf detector characteristics symbol parameters test conditions min typ max units notes b vceo collector-emitter breakdown i c = 100 a 350 - - v b veco emitter-collector breakdown i e = 100 a 0.1 - - v i ceo collector-emitter dark current v ce = 200v, i f =0ma - - 100 na transfer characteristics symbol parameters test conditions min typ max units notes ctr current transfer ratio i f = 1ma, v ce = 2v 1000 15000 % v ce(sat) collector-emitter saturation voltage i f = 20ma, i c = 100ma - - 1.2 v r io isolation resistance v io = 500v dc 5x10 10 c io isolation capacitance f= 1mhz 0.6 pf switching characteristics symbol parameters test conditions min typ max units notes t r rise time i c =2ma, v ce = 2v, r l = 100 - - 250 s t f fall time - - 95
ct micro rev 1 proprietary & confidential page 4 aug, 2013 ct852 4-pin high power photodarlington optocoupler typical characteristic curves
ct micro rev 1 proprietary & confidential page 5 aug, 2013 ct852 4-pin high power photodarlington optocoupler
ct micro rev 1 proprietary & confidential page 6 aug, 2013 ct852 4-pin high power photodarlington optocoupler test circuit i c r l r in input output i f input pulse output pulse t r t on t f t off figure 13: switching time test circuits
ct micro rev 1 proprietary & confidential page 7 aug, 2013 ct852 4-pin high power photodarlington optocoupler package dimension dimensions in mm unless otherwise stated standard dip ? through hole gullwing (400mil) lead forming ? through hole
ct micro rev 1 proprietary & confidential page 8 aug, 2013 ct852 4-pin high power photodarlington optocoupler surface mount lead forming surface mount (low profile) lead forming
ct micro rev 1 proprietary & confidential page 9 aug, 2013 ct852 4-pin high power photodarlington optocoupler recommended solder mask dimensions in mm unless otherwise stated marking information note: ct : denotes ?ct micro? 852 : product number r : ctr rank y : fiscal year ww : work week d : production code ct 852 ywwd
ct micro rev 1 proprietary & confidential page 10 aug, 2013 ct852 4-pin high power photodarlington optocoupler ordering information ct852(y)(z)-g y = lead form option (s, sl, m or none) z = tape and reel option (t1, t2 or none) g= material option (g: green, none: non-green) option description quantity none standard 4 pin dip 100 units/tube m gullwing (400mil) lead forming 100 units/tube s(t1) surface mount lead forming ? with option 1 taping 1 000 units/reel s(t2) surface mount lead forming ? with option 2 taping 1 000 units/reel s(t3) surface mount lead forming ? with option 3 taping 1 000 units/reel s(t4) surface mount lead forming ? with option 4 taping 1 000 units/reel sl(t1) surface mount (low profile) lead forming? with opti on 1 taping 1000 units/reel sl(t2) surface mount (low profile) lead forming ? with opt ion 2 taping 1000 units/reel sl(t3) surface mount (low profile) lead forming? with opti on 3 taping 1000 units/reel sl(t4) surface mount (low profile) lead forming ? with opt ion 4 taping 1000 units/reel
ct micro rev 1 proprietary & confidential page 11 aug, 2013 ct852 4-pin high power photodarlington optocoupler carrier tape specifications dimensions in mm unless otherwise stated option s(t1) & sl(t1) option s(t2) & sl(t2)
ct micro rev 1 proprietary & confidential page 12 aug, 2013 ct852 4-pin high power photodarlington optocoupler option s(t3) & sl(t3) option s(t4) & sl(t4)
ct micro rev 1 proprietary & confidential page 13 aug, 2013 ct852 4-pin high power photodarlington optocoupler reflow profile profile feature pb-free assembly profile temperature min. (tsmin) 150c temperature max. (tsmax) 200c time (ts) from (tsmin to tsmax) 60-120 seconds ramp-up rate (t l to t p ) 3c/second max. liquidous temperature (t l ) 217c time (t l ) maintained above (t l ) 60 ? 150 seconds peak body package temperature 260c +0c / -5c time (t p ) within 5c of 260c 30 seconds ramp-down rate (t p to t l ) 6c/second max time 25c to peak temperature 8 minutes max.
ct micro rev 1 proprietary & confidential page 14 aug, 2013 ct852 4-pin high power photodarlington optocoupler disclaimer ct micro reserves the right to make changes without further notice to any products herein to improve reliability, function or design. ct micro does not assume any liability arising out of the application or use of any produc t or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. ___________________________________________________ ___________________________________ discoloration might occur on the package surface af ter soldering, reflow or long term use. this does not impact the product performa nce nor the product reliability. ct micro are not authorized for use as critical com ponents in life support devices or systems without express written approval of ct micr o international corporation. 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain li fe, or (c) whose failure to perform when properly used in accordance with instruction for use provided in the labelling, can be reasonably expected to result in significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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