The LTV-8141M is a single-channel phototransistor optocoupler manufactured by Lite-On Inc. It consists of an infrared emitting diode (IRED) and an NPN silicon phototransistor. The LTV-8141M is designed for electrical isolation in various applications.

Applications

• Signal isolation
• Power supply isolation
• Motor control
• Digital logic input isolation
• Microcontroller input isolation

Features

• Single channel optocoupler
• Input-output isolation voltage of 5000 Vrms
• CTR (Current Transfer Ratio) of 50% to 600%
• NPN silicon phototransistor output
• Compact SOP-4 package
• RoHS compliant

Benefits

• Provides electrical isolation between circuits
• Protects sensitive circuits from high voltages
• Prevents ground loops
• Enhances system safety and reliability

Additional Details

The LTV-8141M optocoupler is designed to provide a high level of electrical isolation between input and output circuits, protecting sensitive circuits from potentially damaging high voltages and transients. The high isolation voltage of 5000 Vrms ensures that the input and output sides are effectively isolated. The CTR (Current Transfer Ratio) indicates the efficiency of the optocoupler in transferring current from the input LED to the output transistor. A higher CTR means that a smaller input current is required to achieve a desired output current. The NPN silicon phototransistor provides a convenient interface for digital logic circuits. The compact SOP-4 package allows for easy integration into space-constrained applications. This optocoupler is widely used in industrial control systems, power supplies, and communication equipment where electrical isolation is critical.