The EL3H7-G is a Phototransistor 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 various applications requiring safety isolation and signal transfer. The -G suffix typically indicates that the device is RoHS compliant.

Applications

• Power supplies
• Industrial control systems
• Microcontroller input/output isolation
• Signal transmission between circuits with different ground potentials
• Noise isolation in sensitive circuits

Features

• High isolation voltage: Provides electrical isolation between input and output.
• CTR (Current Transfer Ratio): Measures the efficiency of signal transfer.
• Low saturation voltage: Ensures efficient output switching.
• Compact package: Saves board space.
• RoHS compliant: Environmentally friendly.

Benefits

• Enhanced safety due to electrical isolation.
• Reduced noise and interference in sensitive circuits.
• Protection of microcontrollers and other sensitive components.
• Simplified circuit design.

Technical Specifications

The EL3H7-G features a high isolation voltage. The current transfer ratio (CTR) is specified within a certain range. The collector-emitter saturation voltage is low. The operating temperature range is specified in the datasheet. It is available in a DIP (Dual In-Line Package).