This series of optocouplers use thick film technology to integrate infrared emitting diodes and optical transistors in a ceramic tube shell with single-channel, dual-channel, and quad-channel available. The product uses a optical transistor output method which has high reliability and strong environmental adaptability.

The ceramic tube shell not only provides excellent mechanical protection but also ensures stable optical coupling performance by minimizing light leakage and external light interference. The thick film technology employed in the manufacturing process enables precise control of the device parameters, resulting in consistent electrical and optical characteristics across the product series. The infrared emitting diodes within the optocouplers emit infrared radiation with high efficiency and stability, ensuring reliable activation of the optical transistors. The optical transistor output, being a key feature, offers several advantages such as fast switching speed, low saturation voltage, and good linearity in its operating region, making the optocouplers suitable for a wide range of signal transmission and isolation applications. Additionally, the strong environmental adaptability of these optocouplers allows them to operate reliably in various rigid conditions, including a wide temperature range from -55℃～+125℃ , high humidity, and moderate levels of vibration and shock, ensuring long-term performance stability in industrial, automotive, and consumer electronics applications.

This series of optocouplers uses thick film technology to integrate infrared emitting diode chips and photosensitive transistors in a ceramic tube shell. The compact and lightweight ceramic packaging design not only facilitates efficient heat dissipation but also enables seamless integration into space-constrained circuit layouts, making it an ideal choice for miniaturized electronic systems. Additionally, the optocouplers offer excellent isolation performance, effectively preventing electrical noise and interference from propagating between input and output circuits, thus enhancing the overall stability and reliability of the connected electronic equipment. The series provides flexibility with single-channel (SOP4), dual-channel (SOP8), and quad-channel (SOP16) package options, catering to diverse application requirements where multiple signal isolation or switching functions are needed.

This linear optocoupler integrates a high-speed LED, transistor, optical transistor, and operational amplifier into a ceramic package using thick-film technology. The integration of these multiple components within a single ceramic package significantly minimizes parasitic capacitances and inductances between internal elements, thereby enhancing the signal transmission speed and stability, especially in high-frequency analog applications. The ceramic packaging not only ensures excellent thermal management by efficiently dissipating heat generated during operation, which is crucial for maintaining consistent performance and prolonging the device's operational lifespan, but also provides robust mechanical protection and superior insulation properties, allowing the optocoupler to operate reliably in harsh industrial environments with potential mechanical stress, vibration, and electrical noise. The operational amplifier included in the design enables internal feedback, which effectively improves the linearity of the transfer characteristic, ensuring that the output analog signal accurately replicates the input signal with minimal distortion. It is suitable for precision analog signal isolation tasks in applications such as industrial process control systems, medical equipment, and power supply monitoring, where maintaining signal integrity and high isolation performance are of paramount importance.