The LTV-816X-B is a phototransistor optocoupler manufactured by Lite-On Inc. This device provides electrical isolation between circuits, which is crucial in various applications to protect sensitive electronics from high voltages and ground loops. It achieves this isolation using an infrared emitting diode (IRED) and a phototransistor.

Applications

• Industrial Control Systems
• Programmable Logic Controllers (PLCs)
• Power Supplies
• Microcontroller Input/Output Isolation
• Signal Transmission in Noisy Environments

Features

• High Isolation Voltage: Offers significant electrical isolation between the input and output sides.
• Compact Package: Space-saving design allows for high-density mounting on PCBs.
• CTR (Current Transfer Ratio): The 'B' designation probably indicates a specific CTR range.
• RoHS Compliant: Meets environmental standards for hazardous substances.
• Low Input Current: Requires minimal current to activate the IRED.

Benefits

• Enhanced Safety: Protects downstream circuitry from high voltage transients and surges.
• Improved Signal Integrity: Prevents ground loops and reduces electrical noise.
• Simplified Circuit Design: Easier implementation of isolation requirements in designs.
• Increased Reliability: Reduces risk of damage from electrical disturbances.
• Cost-Effective Isolation: Economical solution for electrical isolation needs.

Additional Details

The LTV-816X-B works by converting an electrical signal into light using an IRED. This light then activates a phototransistor on the output side, completing the circuit and transmitting the signal without a direct electrical connection. This optical coupling ensures high electrical isolation.

The 'X' in the part number likely refers to specific internal construction or performance characteristics beyond the basic LTV-816 series. The 'B' again designates a specific Current Transfer Ratio (CTR) range, which is essential for consistent performance.