BROADCOM CNY17-3-300E 6-Pin SMD Optocoupler, 1 Channel, 5kV

The BROADCOM CNY17-3-300E is a high-performance, single-channel phototransistor optocoupler designed for surface-mount applications. This 6-pin component features an infrared light-emitting diode (LED) that is optically coupled to a silicon phototransistor, providing reliable signal isolation and transmission between circuits with different electrical potentials and impedances. It is engineered for stability and durability in demanding electronic environments.

A key specification of this optocoupler is its high 5kV RMS isolation voltage, which ensures excellent electrical separation between the input and output sides, crucial for safety and noise reduction in sensitive circuits. It offers a typical response time of 5µs and a minimum Current Transfer Ratio (CTR) of 100% at the specified operating conditions, ensuring efficient signal coupling. With a collector-emitter voltage rating above 70V and a maximum average forward current of 60mA, it is built to handle a range of signal levels.

Primary Applications

This device is ideally suited for a variety of modern electronic systems where electrical isolation is paramount. Its common uses include interface circuitry in computers and computer peripherals, test and measurement equipment, digital logic systems, and power management circuits. It is an essential component for protecting microcontrollers and logic circuits from voltage spikes and ground loop issues.

Encapsulated in a compact Surface Mount DIP (Dual In-line Package), the CNY17-3-300E is designed for automated assembly processes, saving valuable board space. Its robust construction and high isolation rating make it a dependable choice for enhancing circuit reliability and safety.

Key Features at a Glance

• High Isolation: 5000 Vrms input-output isolation voltage for superior circuit protection.
• Efficient Coupling: Minimum CTR of 100% ensures strong signal transfer