The LTV-357T-TP1-B is a high-isolation voltage optocoupler manufactured by Lite-On Inc. It consists of an infrared emitting diode optically coupled to a phototransistor. This optocoupler is designed to provide electrical isolation between input and output circuits, protecting sensitive components from high voltages and noise. It's commonly used in power supplies, industrial control equipment, and communication systems.

Applications

• Power supplies
• Industrial control equipment
• Communication systems
• Programmable controllers
• Office machines

Features

• High isolation voltage (5000Vrms)
• Current transfer ratio (CTR) of 50-600%
• Low saturation voltage
• Compact package
• RoHS compliant

Benefits

• Electrical isolation between circuits
• Protection of sensitive components
• Noise reduction
• Improved system reliability
• Compliance with environmental standards

Specifications

The LTV-357T-TP1-B has the following general specifications:

• Input Forward Voltage: 1.25V (typical)
• Input Forward Current: 20mA (typical)
• Collector-Emitter Voltage: 80V
• Current Transfer Ratio (CTR): 50-600% (IF=5mA, VCE=5V)
• Isolation Voltage: 5000Vrms
• Operating Temperature: -30°C to +100°C
• Package: SOP-4