MOC3041 optocoupler

The MOC3041 is an optocoupler that integrates a gallium arsenide infrared emitting diode and a silicon bilateral AC switch (triac) within a single package. This device is designed to provide electrical isolation between an input control signal and an output load. The MOC3041 is commonly used in applications requiring isolated triac triggering for AC loads, such as motor control, light dimmers, and solid-state relays.

Key Features:

• Gallium arsenide infrared LED
• Zero crossing detection for low EMI
• 400V peak blocking voltage
• Isolation voltage of 7500 Vrms
• High input-to-output noise immunity
• Low input current trigger levels
• Compact 6-pin DIP package
• UL recognized and VDE approved

Technical Specifications:

• LED Forward Voltage (VF): 1.15V (typical)
• LED Reverse Voltage (VR): 6V
• LED Forward Current (IF): 60mA (max)
• LED Trigger Current (IFT): 15mA (max)
• Peak Blocking Voltage (VDRM): 400V
• Output On-State Current (IT(RMS)): 100mA (max)
• Isolation Voltage: 7500 Vrms
• Operating Temperature Range: -40°C to +85°C
• Package Type: 6-pin DIP

Applications:

• Isolated triac triggering
• AC motor control
• Light dimmers
• Solid-state relays
• Industrial automation
• Home appliances

Usage:

1. Connect the anode and cathode of the LED (input side) to the control signal circuit, ensuring the forward current does not exceed the specified maximum.
2. Connect the output pins (MT1 and MT2) to the AC load and power supply, observing the correct polarity and voltage ratings.
3. Design the control circuit to provide appropriate trigger current to the LED based on the required input signal.
4. Verify the connections and functionality before applying full power to the circuit.

Caution:

• Ensure proper handling to avoid damage from electrostatic discharge (ESD).
• Do not exceed the specified voltage and current ratings to prevent damage to the device.
• Provide adequate heat sinking or thermal management if necessary to maintain safe operating temperatures.

Datasheet:
For detailed technical specifications, refer to the MOC3041 Optocoupler Datasheet.