H11G1 High Gain Darlington Output Optoisolator DIP-6 (H11G1 DIP IC)
The H11G1 is a high-voltage, high-gain photodarlington optocoupler consisting of a Gallium Arsenide (GaAs) infrared-emitting diode optically coupled to a monolithic silicon photodarlington detector. This IC is specifically designed for applications requiring high current transfer ratios (CTR) and high output breakdown voltages. The Darlington configuration allows it to provide significantly higher output current for a given input current compared to standard phototransistor optocouplers, making it ideal for driving heavier loads directly from low-power logic.
This IC is primarily used in telecommunications equipment, solid-state relays, and industrial control systems. It is an essential component for Arduino electronics projects in India for controlling 24V or 48V DC solenoids, high-current relays, and small DC motors where complete electrical isolation is required between the 5V microcontroller and the power circuit.
Key Features
- Exceptionally high current transfer ratio (1000 percent minimum at 1mA)
- High collector-emitter breakdown voltage (100V minimum)
- Low input current requirement (typically 1mA to 5mA)
- High isolation voltage (up to 5300 Vrms)
- Darlington output for high-current driving capability
- Internal base-emitter resistor for improved stability
- Standard 6-pin DIP package for easy through-hole mounting
- Compatible with TTL and CMOS logic levels
Specifications
- IC Type = Photodarlington Optocoupler
- Isolation Voltage = 5300 Vrms
- Forward Current (If) = 60mA (Maximum)
- Collector-Emitter Voltage (VCEO) = 100V
- Collector Current (Ic) = 100mA (Continuous)
- Current Transfer Ratio (CTR) = 1000 percent (Minimum)
- Package Type = DIP-6
- Number of Pins = 6
- Mounting Type = Through-Hole
- Operating Temperature = -55 to 100 degrees Celsius
Interfaces
- PIN 1 (ANODE) = Infrared LED Anode (+)
- PIN 2 (CATHODE) = Infrared LED Cathode (-)
- PIN 3 (NC) = No Connection
- PIN 4 (EMITTER) = Darlington Emitter
- PIN 5 (COLLECTOR) = Darlington Collector
- PIN 6 (BASE) = Darlington Base (Optional connection)
