Description

The IL766B-2 is a bidirectional input optically coupled isolator that is widely used in various electronic circuits. It consists of two gallium arsenide infrared emitters and a silicon photodarlington sensor. The device offers an internal RBE (Resistor Bias Externally) that provides better stability. The device also features isolation rated voltage up to 4420 VRMS, AC or polarity insensitive inputs, no base connection, high insulation resistance of 1011 Ω typical, and a standard plastic DIP package. The device is compliant with RoHS directives and is ideal for use in various electronic circuits.

Specifications and Features

• Product Category: Transistor Output Optocouplers
• Input Type: Bidirectional
• Isolation rated voltage: 4420 VRMS
• BVCEO (Collector-Emitter Voltage): ≥ 60 V
• Insulation resistance: 1011 Ω typical
• Internal RBE for better stability
• AC or polarity insensitive inputs
• Easy to use standard plastic DIP package
• Material categorization: RoHS compliant

Application Scenarios

The IL766B-2 is widely used in electronic circuits with requirements for a bidirectional coupler with high isolation voltage. For example, the device is suitable for use in motor control, power supply circuitry, digital logic inputs, and power-transistor drivers. It is also commonly used in electrically noisy environments where it can provide reliable protection against voltage spikes and surges.

Comparison

• Bidirectional input design
• 4420 VRMS isolation rated voltage
• High insulation resistance, 1011 Ω typical
• Compliant with RoHS directives

• Not suitable for applications requiring high-speed transfer