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| c 2004 cosmo electronics corporation http://www.cosmo-ic.com 6 absolute maximum ratings electrical characteristics parameter symbol conditions min typ max unit input pick-up voltage vpu it=1arms 4 vdc input current iin vin=4-32v 5 12 ma on-state voltage v t i t =1arms 1.5 vrms operating current iop vout=240vrms 50 marms leakage current i leak vout=240vrms 3.5 7 marms critical rate of rise of off-state voltage dv/dt see note 1 50 200 zero-cross voltage yes load voltage rating vout i t =50marms min 50 280 vac minimum trigger current i ft v drm =600v 10 ma isolation resistance input to output r iso dc500v 10 10 v t urn-on time ton 60hz ac 8.3 ms t urn-off time toff 60hz ac 8.3 ms thermal resistance (between junction and case) rth (j-c) i 1.3 0 x KSD225AC8 solid state relay outside dimension : unit (mm) schematic : top view features 1. molded epoxy body. 2. zero crossing circuit. 3. high input/output insulation. 4. small size and light weight. 5. fast reactive speed. 6. good heat sinking. 7. normally open. applications 1. household appliances. 2. temperature control system. 3. industrial automatic control. 4. lighting system. 5. office appliances. 6. factory appliances. parameter symbol rating unit input input signal voltage v in 4~32 vdc drop-out voltage vdo 1 vdc rms on-state current i t 25 arms peak one cycle surge current (8.3 ms) isurge 250 a repetitive peak-off state voltage v drm 600 v operating frequency f 47~70 hz critical rate of rise of on-state current di/dt 50 load supply voltage vout 250 vrms ac isolation voltage input to output viso 4000 vrms operating temperature topr -30~100 storage temperature tstg -30~125 output output ul 60950 (file no.e108430) (ta=25 c) a/ g s (ta=25 c) v/ g s note1 ?g output (dv/dt) protection is provided in all models, and they are designed to switch resistive or inductive loads to 0.2 power factor. the dv/dt rating is based on source impedance of 50 ohms.
fig.8 wiring diagram ambient temperature ta ( c) input voltage (v) fig.5 input voltage vs. ambient temperature input voltage (vdc) input current (ma) fig.6 input current vs. input voltage time (sec) surge current (a) fig.2 surge current vs. time supply voltage (vrms) open circuit leak current ileak (marms) fig.3 open circuit leak current vs. supply voltage case temperature tc ( c) rms on-state current (a) fig.4 rms on-state current vs. casetemperature fig.7 action waveform KSD225AC8 c 2004 cosmo electronics corporation http://www .cosmo-ic.com 7 data curve ambient temperature ta ( c) rms on-state current (a) fig.1 rms on-state current vs. ambient te m p erature |
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