DONGKER Optical Isolator Module 12V Optoisolator PC817 PNP NPN

Description

Product Overview

The DONGKER Optical Isolator Module brings together a proven PC817 optocoupler design with a 12 V operating voltage to create a versatile signal conversion solution for demanding industrial environments. Engineered with a high isolation voltage of more than 3000 V, this module safeguards low‑voltage control circuitry from high‑voltage transients, ensuring reliable operation of motor drives, inverters, PLCs, and other critical automation components. The device features a compact footprint of 5.67 × 4.25 × 0.59 inches and a lightweight of just 0.387 oz, making it easy to mount on printed circuit boards or within tight enclosures. Its input current rating of up to 50 mA (max) and output capability of 50 mA provide ample headroom for a wide range of signal levels, while the high‑level trigger capability up to 80 kHz enables fast response times for dynamic control applications. The module’s PNP and NPN configurations allow flexible integration into both sinking and sourcing circuits, giving designers the freedom to match the optoisolator to their specific logic requirements. Built to meet the rigorous standards of the industrial and scientific market, the DONGKER isolator is a dependable component that combines safety, performance, and ease of use.

Usage

Designed for a broad spectrum of industrial applications, the DONGKER optoisolator excels in environments where electrical noise, voltage spikes, and harsh conditions are commonplace. In motor control systems, it isolates the low‑voltage control logic from the high‑current motor drive circuitry, preventing damaging feedback that could compromise system reliability. Inverter modules benefit from the device’s ability to invert input signals while maintaining isolation, allowing seamless communication between control boards and power stages. The module is also well‑suited for PLC interfacing, where it protects sensitive input modules from external disturbances and ensures clean, noise‑free signal transmission. Its high‑level trigger performance makes it an excellent choice for high‑speed data acquisition and sensor interfacing, where rapid switching and precise timing are essential. The compact size and low weight facilitate integration into portable equipment, handheld diagnostic tools, and compact automation panels, while the robust isolation rating provides confidence in safety‑critical installations such as factory automation, renewable energy converters, and automotive test rigs.

Why Choose Us

Choosing the DONGKER Optical Isolator Module means selecting a component backed by a commitment to quality, reliability, and customer support. Each unit undergoes stringent testing to verify isolation voltage, input/output current specifications, and switching speed, ensuring that the product meets or exceeds industry standards. DONGKER’s extensive experience in optoelectronic manufacturing translates into a product that delivers consistent performance across large production runs, reducing variability and simplifying inventory management for OEMs and system integrators. The company provides comprehensive technical documentation, including datasheets, application notes, and design guidelines, enabling engineers to integrate the isolator quickly and confidently. In addition, DONGKER offers responsive after‑sales service; any questions regarding installation, performance, or troubleshooting are addressed promptly by a knowledgeable support team. This dedication to customer satisfaction is reflected in the product’s strong rating of 4.5 stars from over 50 verified purchasers, highlighting its reliability and value in real‑world applications. By partnering with DONGKER, you gain a trusted component that supports long‑term product lifecycles and helps you meet stringent safety and performance requirements.

Key Features

• Over 3000 V isolation protects low‑voltage circuits from high‑voltage transients, enhancing system safety.
• 50 mA input current capacity and 50 mA output capability support a wide range of signal levels.
• High‑level trigger up to 80 kHz provides fast response for dynamic control and high‑speed data applications.
• Compact 5.67 × 4.25 × 0.59 inches size and lightweight design simplify PCB layout and enclosure integration.
• Dedicated DONGKER after‑sales support ensures reliable assistance throughout the product’s lifecycle.

FAQ

What is the maximum isolation voltage of this optoisolator?

The DONGKER module is rated for an isolation voltage exceeding 3000 V, which is sufficient to protect low‑voltage control circuitry from high‑voltage spikes commonly encountered in industrial power systems.

Can this optoisolator be used with both PNP and NPN transistor configurations?

Yes, the module supports both PNP and NPN configurations, allowing it to be integrated into sinking or sourcing circuits depending on the specific logic requirements of your application.

What is the recommended operating temperature range?

The device is designed to operate reliably within a temperature range of –40 °C to +85 °C, making it suitable for most indoor and outdoor industrial environments.

How does the high‑level trigger frequency affect performance?

With a trigger capability up to 80 kHz, the optoisolator can handle fast switching signals, which is essential for applications such as high‑speed motor control, inverter communication, and precise sensor interfacing.

Is there any warranty or guarantee provided?

DONGKER offers a standard one‑year warranty covering manufacturing defects, and the company’s customer service team is available to assist with any technical or warranty‑related inquiries.