The LTV-357T-B-G is a high-isolation single channel phototransistor optocoupler manufactured by Lite-On Inc. It consists of an infrared emitting diode (IRED) optically coupled to a phototransistor. It is designed for electrical isolation in various electronic circuits, protecting sensitive components from high voltage or noise.

Applications

• Power supplies
• Industrial control systems
• Microcontroller input/output isolation
• Signal transmission between circuits with different ground potentials
• Telecommunications equipment
• Computer peripherals

Features

• High isolation voltage (5000 Vrms)
• Compact package
• Current transfer ratio (CTR) ranging from 50% to 600%
• Low saturation voltage
• Operating temperature range: -30°C to +110°C
• RoHS compliant

Benefits

• Enhanced safety by providing a high degree of electrical isolation.
• Protection of sensitive circuits from voltage spikes and noise.
• Improved system reliability by preventing ground loops.
• Simplified circuit design due to its compact size and ease of integration.
• Wide range of CTR options to suit different application requirements.
• Compliance with environmental regulations.

Additional Details

The LTV-357T-B-G offers a high isolation voltage of 5000 Vrms, making it suitable for applications where a high degree of electrical isolation is required. The current transfer ratio (CTR) varies depending on the specific version, allowing designers to select the appropriate part for their application. The optocoupler comes in a compact package that saves space on the printed circuit board. It is designed for through-hole mounting. The forward current (IF) is typically 50mA, and the collector-emitter voltage (VCEO) is 80V.

Overall, the LTV-357T-B-G optocoupler provides a reliable and cost-effective solution for electrical isolation in a wide range of applications.