OC 250 Opto Coupler • Epoxy Molded ABSOLUTE MAXIMUM RATINGS LED • Forward DC Current 100 mA • Surge Current 2.5 A • Reverse Voltage 20 V • Power Dissipation (25°C) 1.0 W Photodiode • Reverse Voltage 25,000 V • Power Dissipation 2.5 W • Storage Temperature -40°C to +125°C • Operating Temperature -40°C to +100°C • Isolation Test Voltage 25 kV (Pins 1 and 2 to Pins 3 and 4) ELECTRICAL CHARACTERISTICS LED • Forward Voltage (If = 100 mA) 9.0 V • Reverse Leakage Current 10nA VR = 20 V Tolerance: .XX ±.020 .XXX ±.010 Photodiode • Foward Voltage (If = 0.6 A) 36 V MAX • Reverse Leakage Current Simplified Circuit Schematic VR = 25 kV, ILED = 0 mA 250 nA Typical VR = 25 kV, ILED = 100 mA 100 µA Typical Coupled • DC Current Transfer Ratio 0.068% (ILED = 50 mA, VR = 25 kV) • TON 2 µs • TOFF 2 µs (25°C UNLESS OTHERWISE NOTED) Dimensions: In. (mm) All temperatures are ambient unless otherwise noted. Voltage Multipliers Inc. 8711 W. Roosevelt Ave. Visalia, CA 93291 USA VOLTAGE MULTIPLIERS INC. 68 Data subject to change without notice. Tel: 559.651.1402 Fax: 559.651.0740 www.voltagemultipliers.com www.highvoltagepowersupplies.com OC250 OPTOCOUPLER GAIN VS. TEMPERATURE 0.14 PHOTODIODE REVERSE CURRENT VS. TEMPERATURE AT Vrwm 1000.0 0.12 Reverse Current (µA) Percent Gain 0.1 0.08 0.06 0.04 100.0 10.0 0.02 0.0 1.0 -40 -30 -20 -10 0 10 20 30 Temperature (°C) 40 50 60 70 25 LED CURRENT VS. DIODE CURRENT 120 75 Temperature (°C) 125 GAIN DEGRADATION OVER TIME 100 90 80 Percent of Initial Gain Diode Current (µA) 100 80 60 40 7 70 60 50 40 30 20 20 10 0 0 0 20 40 60 LED Current (mA) 80 100 69 0 200 400 600 Time (Hours) 800 1000