KSD205AC3

Solid State Relay Features 1. Molded epoxy body. 2. Zero crossing circuit. 3. High input/output insulation. 4. Small size and light weight. 5. Can be installed directly on the PC board. 6. Fast reactive speed. 7. Normally open. KSD205AC3 Outside Dimension : Unit (mm) Applications 1. Household Appliances. 2. Temperature Control System. 3. Industrial Automatic Control. 4. Lighting System. 5. Office Appliances. 6. Factory Appliances. Schematic : Top View Absolute Maximum Ratings Parameter Input Input Signal Voltage Drop-out Voltage RMS on-state current Peak one cycle surge current (8.3 ms) Output Repetitive peak-off state Voltage Operating frequency Critical rate of rise of on-state current Load supply voltage Isolation Voltage input to output Operating Temperature Storage Temperature Soldering Temperature 10 Sec Symbol VIN Vdo IT Isurge VDRM f di/dt Vout Viso Topr Tstg Tsol Rating 5~12 1 5 50 600 47~70 50 250 4000 -30~100 -30~125 260 Unit VDC VDC Arms A V Hz A/μ S Vrms AC Vrms (Ta=25°C) Electrical Characteristics Parameter Input Pick-up Voltage Input current On-state Voltage Operating Current Output Leakage Current Critical rate of rise of off-state Voltage Zero-cross Voltage Load Voltage Rating Minimum trigger current Isolation resistance input to output Turn-on time Turn-off time Thermal resistance (between junction and case) Vout IFT RISO Ton Toff Rth (j-C) I IT=50mArms MIN VDRM=600V DC500V 60Hz AC 60Hz AC 1.3 1010 8.3 8.3 50 Symbol Vpu Iin VT Iop I leak dv/dt Conditions It=1Arms Vin=5-12V IT=1Arms Vout=240Vrms Vout=240Vrms See Note 1 50 200 Yes 280 10 50 7 5 MIN TYP MAX 4 25 1.5 (Ta=25°C) Unit VDC mA Vrms mArms mArms V/μ S VAC mA mS mS Note1：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. 28 c 2004 cosmo ELECTRONICS CORPORATION http://www.cosmo-ic.com KSD205AC3 Data Curve Fig.1 RMS On-state Current vs. Ambient Temperature (1) With infinite heat sink (2) With heat sink (70x70x2mm AI plate) (3) With heat sink (50x50x2mm AI plate) (4) Without heat sink RMS On-state Current (A) Fig.2 Surge Current vs. Time Fig.3 Open Circuit Leak Current vs. Supply Voltage Ambient Temperature Ta (°C) Time (SEC) Open Circuit Leak Current ILeak (mArms) Surge Current (A) Supply Voltage (Vrms) Fig.4 RMS On-state Current vs. CaseTemperature Fig.5 Input Voltage vs. Ambient Temperature Fig.6 Input Current vs. Input voltage RMS On-state Current (A) Case Temperature Tc (°C) Ambient Temperature Ta (°C) Input Current (mA) Input Voltage (V) Input Voltage (VDC) Fig.7 Action waveform Fig.8 WIRING DIAGRAM c 2004 cosmo ELECTRONICS CORPORATION http://www.cosmo-ic.com 29