CHUANGYEIC 20PCS 4N28 Optoisolator 5KV Transistor with Base 6DIP

Description

Product Overview

The CHUANGYEIC 4N28 optoisolator is engineered to provide high‑voltage isolation up to 5 kV while maintaining a low collector‑emitter saturation voltage of just 500 mV. This balance of high isolation and low loss makes it an ideal choice for applications where signal integrity and power efficiency are critical. The device features a forward voltage of approximately 1.3 V and can handle a maximum forward current of 60 mA, delivering reliable performance across a broad temperature spectrum from –55 °C to 100 °C. Housed in a compact 6‑DIP package, the component is easy to mount on standard printed circuit boards, and the 20‑piece bulk packaging ensures you have sufficient stock for both prototype development and full‑scale production runs.

Usage

Designed for industrial and scientific environments, the 4N28 optoisolator excels in signal isolation for motor control circuits, power converters, and safety interlocks. Its robust temperature tolerance allows deployment in harsh conditions such as outdoor equipment, automotive control units, and high‑temperature manufacturing lines. Engineers often integrate this component into PLC (Programmable Logic Controller) modules, sensor interfaces, and communication isolators where reliable isolation prevents ground loops and protects low‑voltage logic from high‑voltage transients. The 6‑DIP footprint fits seamlessly into existing board layouts, reducing redesign effort and accelerating time‑to‑market for new products.

Why Choose Us

Choosing the CHUANGYEIC 4N28 optoisolator means selecting a part that combines proven performance with rigorous quality control. Each unit undergoes comprehensive testing to verify isolation voltage, saturation characteristics, and temperature stability, ensuring consistent behavior across the entire batch. Our supply chain guarantees rapid availability of the 20‑piece kit, minimizing lead times for both small‑scale developers and large manufacturers. In addition, we provide technical support from experienced engineers who can assist with schematic design, PCB layout recommendations, and troubleshooting. Our commitment to after‑sales service includes a responsive warranty process and access to detailed datasheets, application notes, and reference designs.

Key Features

• High isolation rating of 5 kV protects sensitive circuitry from dangerous voltage spikes.
• Low VCE saturation (500 mV) reduces power loss and improves efficiency in high‑current applications.
• Wide operating temperature range (‑55 °C to 100 °C) ensures reliable performance in extreme environments.
• Compact 6‑DIP package simplifies board layout and saves valuable space on dense designs.
• Comprehensive technical support and fast replacement service give you confidence in long‑term reliability.

FAQ

What is the maximum forward current the 4N28 can handle?

The device is rated for a maximum forward current of 60 mA, which is suitable for most low‑power signal isolation tasks.

Can the optoisolator operate in sub‑zero temperatures?

Yes, it is specified to function reliably down to –55 °C, making it appropriate for cold‑chain and outdoor applications.

Is the 5 kV isolation rating sufficient for motor drive protection?

For most industrial motor drive circuits, a 5 kV isolation rating provides ample safety margin to prevent high‑voltage transients from reaching control electronics.

How does the 20‑piece packaging benefit large‑scale production?

Bulk packaging reduces per‑unit cost, ensures consistent component availability, and simplifies inventory management for manufacturers producing high volumes.

What PCB layout guidelines should be followed for optimal performance?

Maintain adequate clearance between the optoisolator pins and high‑voltage traces, use ground planes to minimize noise, and keep the isolation barrier free of conductive contaminants to preserve the 5 kV rating.

In summary, the CHUANGYEIC 4N28 optoisolator offers a compelling combination of high voltage isolation, low saturation loss, and robust temperature tolerance, all within a space‑saving 6‑DIP form factor. Whether you are designing a new industrial controller, upgrading an existing safety system, or prototyping a sensor interface, this component provides the reliability and performance needed to meet demanding specifications. Its inclusion in a 20‑piece kit ensures you have the quantity required for both development and production, while our dedicated support team stands ready to assist with any technical challenges you may encounter.