The LTV-123A is a Phototransistor Optocoupler manufactured by Lite-On Inc. It consists of an infrared emitting diode coupled to a phototransistor in a DIP-4 package. This device is designed to provide electrical isolation and signal transfer between circuits, offering high insulation voltage and reliable performance in various applications.

Applications

• Power supplies
• Industrial control equipment
• Motor control circuits
• Signal isolation in communication systems
• Microprocessor input isolation
• Line receiver applications

Features

• DIP-4 package
• High isolation voltage (typically 5kVrms)
• CTR (Current Transfer Ratio) selection available
• Compact size
• Low input current requirements
• RoHS compliant

Benefits

• Enhanced Safety: Provides a high level of electrical isolation, protecting sensitive circuitry from high voltage and transient surges.
• Reliable Signal Transfer: Transfers signals effectively between circuits without a direct electrical connection, preventing ground loops.
• Compact Footprint: The DIP-4 package allows for easy integration into a variety of circuit board designs.
• Energy Efficient: Low input current requirements minimize power consumption.
• Robust Performance: Offers stable and consistent performance over a wide range of operating temperatures and conditions.

Technical Specifications

The LTV-123A features a specific isolation voltage, current transfer ratio (CTR), forward voltage, and collector-emitter voltage. The input current is typically low. Refer to the manufacturer's datasheet for detailed electrical characteristics and recommended operating conditions. This optocoupler provides reliable performance in applications that require robust electrical isolation and efficient signal transfer.