The LTV-816M-L is a phototransistor optocoupler from Lite-On Inc., consisting of a gallium arsenide (GaAs) infrared emitting diode optically coupled to a silicon phototransistor detector. This device is designed for applications where electrical isolation between input and output circuits is critical. The "-L" likely signifies a specific characteristic such as a lead forming option or a particular CTR range.

Applications

• Industrial Control Equipment: Provides electrical isolation in programmable logic controllers (PLCs) and other industrial automation systems.
• Power Supplies: Used for feedback isolation in switching mode power supplies (SMPS).
• Motor Control: Isolates control signals in motor drive circuits, preventing electrical interference.
• Data Acquisition Systems: Provides isolation between sensors and data acquisition boards.
• Telecommunications: Isolates data lines to protect equipment from voltage surges and transients.

Features

• Compact Package: Allows for high-density mounting on circuit boards, saving space.
• High Isolation Voltage: Provides a high level of electrical isolation between the input and output, ensuring safety and reliability.
• CTR (Current Transfer Ratio): Provides efficient signal transfer with a specified current transfer ratio.
• RoHS Compliant: Meets environmental standards for restricted substances.
• Through-Hole Mounting: Designed for easy integration into through-hole PCB designs.

Benefits

• Enhanced Safety: High isolation voltage protects circuits and personnel from hazardous voltages.
• Improved Noise Immunity: Minimizes the effects of electrical noise and transients on sensitive circuits.
• Space Saving: Compact package allows for use in space-constrained applications.
• Reliable Performance: Stable CTR ensures consistent signal transfer over a wide range of operating conditions.
• Prevention of Ground Loops: Isolates circuits to prevent ground loops, reducing noise and improving signal integrity.

Additional Details

The LTV-816M-L optocoupler typically operates with a forward current (IF) of approximately 20mA. The collector-emitter voltage (VCEO) and the current transfer ratio (CTR) are key parameters for design considerations. Consult the Lite-On Inc. datasheet for detailed electrical characteristics, application guidelines, and specific information about the "-L" designation.