Micropac 66168 optocoupler

Product Overview
The Micropac 66168 is a high-reliability, proton radiation-tolerant optocoupler designed to provide electrical isolation between input and output circuits. Serving as a pin-for-pin replacement for the 4N49 optocoupler, it is particularly suitable for applications in space, aerospace, and other environments exposed to radiation, where maintaining signal integrity and isolation is critical.

Key Specifications

• Input Type: DC
• Output Type: Transistor with base
• Number of Channels: 1
• Maximum Collector-Emitter Voltage: 40V
• Maximum Collector Current: 50 mA
• Maximum Forward Voltage: 2V
• Package: Hermetically sealed TO-5, 5-pin

Key Features

• Radiation Tolerance: Engineered to withstand proton radiation, ensuring reliable performance in high-radiation environments.
• High Reliability: Designed for use in critical applications requiring dependable operation over extended periods.
• Base Lead Access: Provides a base lead for conventional transistor biasing, offering flexibility in circuit design.
• Rugged Package: Encased in a hermetically sealed TO-5 package, protecting the internal components from harsh environmental conditions.
• Wide Operating Temperature Range: Maintains stability and performance across a broad temperature spectrum.

Conclusion
The Micropac 66168 optocoupler is an essential component for professionals designing systems that operate in radiation-prone environments. Its robust design, radiation tolerance, and compatibility as a 4N49 replacement make it invaluable for ensuring signal integrity and isolation in critical applications.