1 www.clare.com CPC1945G ds-CPC1945G-r1 the CPC1945G is a ac solid state switch using patent- ed waveguide coupling with dual power scr outputs to produce an alternative to optocoupler and triac circuits. the CPC1945G switches are robust enough to provide a blocking voltage of up to 400v. in addition, tightly con- trolled zero cross circuitry ensures switching of ac loads without the generation of transients. the input and output circuits are optically coupled to provide 3750v of isolation and noise immunity between control and load circuits. as a result the CPC1945G is well suited for industrial environments where electromagnetic interference would disrupt the operation of electromechanical relays. programmable control process control power control panels remote switching gas pump electronics contractors large relays solenoids motors heaters ul recognized file #: pending load current up to 1a blocking voltage to 400v 5ma sensitivity zero-crossing detection dc control, ac output optically isolated ttl and cmos compatible low emi and rfi generation high noise immunity vde compatible machine insertable, wave solderable applications features description approvals ac solid state relay ordering information part # description CPC1945G 16 pin dip (25/tube) CPC1945G units ac operating 120 v rms voltage load current 1.0 a on-state 1.6 v rms voltage drop (at il=1.0a) pin configuration cpc1965g 16 1 10 + led ac load ?led ac load 8 zc
www.clare.com CPC1945G rev. 1 electrical characteristics absolute maximum ratings are stress ratings. stresses in excess of these ratings can cause permanent damage to the device. functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. exposure of the device to the absolute maximum ratings for an extended period may degrade the device and effect its reliability. absolute maximum ratings (@ 25? c) 2 parameter min typ max units input power dissipation - - 150 1 mw input control current - - 50 ma peak (10ms) - - 1 a reverse input voltage - - 5 v total package dissipation pd - - 1600 2 mw isolation voltage input to output 3750 - - v rms operational temperature -40 - +85 ? storage temperature -40 - +125 ? soldering temperature (10 seconds max.) dip package - - +260 ? 1 derate linearly 1.33 mw/?c 2 derate linearly 16.6 mw/?c parameter conditions symbol min typ max units output characteristics @ 25? operating voltage range v t 20 - 120 v rms peak blocking voltage - v drm - 400 v load current (continuous) v l =120vac i l 0.005 - 1.0 ia rms non-repetitive single cycle surge current - i tsm --10a off state leakage current v drm i leak --1ma on-state voltage drop i l =1.0a - - 1.6 v rms critical rate of rise 3 dv/dt 500 - - v/? switching speeds turn-on i f =5 ma t on - - 0.5 cycles turn-off i f =5 ma t off - - 0.5 cycles zero-cross turn-on voltage 1st half cycle - 2 10 v sub. half cycle - - 1 v operating frequency 1 - 20 - 400 hz load power factor for guaranteed turn-on 2 - pf 0.25 - - - capacitance input to output - - - 3 - pf input characteristics @ 25? input control current for normal environment - i f 5-50ma for high noise environment - i f 10 - 100 ma input voltage drop i f =5ma v f 0.9 1.2 1.4 v input drop-out voltage - 0.8 - - v reverse input current v r =5v i r --10ua 1 zero cross 1st 1/2 cycle @ <100hz 2 snubber circuits may be required at low power factors. 3 tested in accordance with eia/narm standard rs-443.
CPC1945G www.clare.com rev. 1 performance data* the performance data shown in the graphs above is typical of device performance. for guaranteed parameters not indicated in th e written specifications, please contact our application department. 3 16 pin dip 7.620 .254 (.300 .010) 6.350 .127 (.250 .005) 17.780 typ. (.700) 19.202 .381 (.756 .015) 15.240 typ. (.600) .508 typ. (.020) 3.429 typ. (.135) CPC1945G typical led forward voltage drop (ambient temperature = 25 c) i f = 5madc 35 30 25 20 15 10 5 0 1.17 1.19 1.21 1.23 1.25 led forward voltage drop (v) device count (n) o CPC1945G typical on-state output forward voltage distribution (ambient temperature = 25 c) 35 30 25 20 15 10 5 0 1.05 1.07 1.09 1.11 1.06 1.08 1.10 output forward voltage device count (n) o CPC1945G typical i f for switch operation (ambient temperature = 25 ? c) 0.22 0.24 0.26 0.21 0.23 0.25 0.27 led current (ma) device count (n) 25 20 15 10 5 0 o CPC1945G typical blocking voltage distribution (ambient temperature = 25 ? c) 600 610 620 630 625 615 605 blocking voltage device count (n) 25 20 15 10 5 0 o CPC1945G typical maximum load current vs. temperature temperature ( c) load current (a) 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 -40 -20 0 20 40 60 80 120 100 i =5ma f o CPC1945G typical blocking voltage vs. temperature temperature ( ? c) blocking voltage (v) 25 40 55 70 85 650 640 630 620 610 600 590 CPC1945G typical leakage vs. temperature @ maximum rated load voltage led forward current (ma) leakage (ma) 25 40 55 70 85 0.278 0.276 0.274 0.272 0.270 0.268 0.266 0.264 CPC1945G typical output v f vs. temperature temperature ( ? c) v-on (v) 25 40 55 70 85 1.100 1.080 1.060 1.040 1.020 1.000 0.980 0.960 CPC1945G typical led forward voltage drop vs. temperature temperature ( c) led forward voltage drop (v) 1.8 1.6 1.4 1.2 1.0 0.8 -40 -20 0 20 40 60 80 120 100 50ma 10ma 5ma o 30ma 20ma CPC1945G maximum surge current (non-repetitive) (t j =50 o c max) pulse duration (ms) peak surge current (a) 16 50 100 12 10 8 6 4 2 0 CPC1945G typical i f for switch operation over temperature temperature ( ? c) led current (ma) 25 40 55 70 85 0.400 0.350 0.300 0.250 0.200 0.150 0.100 0.050 0.000 mechanical dimensions dimensions mm (inches)
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