The EL3H7(B)(TB)-VG is a high-isolation voltage transistor output optocoupler from Everlight Electronics. It consists of an infrared emitting diode optically coupled to a phototransistor. This configuration provides electrical isolation between the input and output circuits, making it suitable for applications requiring safety isolation or noise immunity. It comes in a surface-mount package.

Applications

• Power supplies
• Industrial control systems
• Motor control
• Digital logic input isolation
• Microprocessor system input/output isolation

Features

• High isolation voltage
• Transistor output
• Surface-mount package
• High current transfer ratio (CTR)
• Compact size

Benefits

• Provides electrical isolation for safety and noise immunity.
• Offers a simple interface to digital circuits.
• Saves board space due to its compact size.
• Efficient signal transfer with high CTR.
• Easy to integrate into automated assembly processes.

Additional Details

The EL3H7(B)(TB)-VG features a high isolation voltage, typically in the kilovolt range. The current transfer ratio (CTR) is a key parameter, indicating the efficiency of signal transfer. Detailed specifications, including forward current, collector-emitter voltage, and isolation voltage ratings, are available in the Everlight datasheet. The surface-mount package simplifies board assembly and reduces manufacturing costs. Ensure proper soldering techniques are used to avoid damage during assembly.