Optoelectronic Hybird Integration ｜ E-mail：sales1@cqwiseworld.com
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The W6102S/W6103S/W6149S series optocouplers are high-performance electronic components engineered with advanced thick film technology, integrating infrared emitting diode chips and optical transistors into a robust ceramic tube shell. Designed to deliver exceptional electrical isolation and signal integrity, these single-channel optocouplers are ideal for mission-critical applications where stability in harsh environments is non-negotiable.
Unlike conventional optocouplers, the ceramic package of the W6102S/W6103S/W6149S offers superior thermal conductivity and mechanical strength, ensuring reliable operation even under extreme temperature fluctuations ranging from -55℃ to +125℃ and intense mechanical vibrations. The thick film integration optimizes optical coupling efficiency between the emitting and receiving components, enabling seamless signal transmission while maintaining strict electrical isolation—a key requirement for industrial control systems, switching power supplies, and digital communication interfaces. With strict manufacturing processes and quality control measures, this series guarantees long-term performance consistency, reducing maintenance costs and downtime for end-users.
The W6102S/W6103S/W6149S optocouplers stand out with industry-leading electrical specifications that address core design pain points:
Isolation voltage > 1000V: Provides a robust barrier against high-voltage surges, protecting sensitive control circuits from damage in industrial and power supply applications.
Collector-emitter breakdown voltage >70V: Ensures stable switching performance even in high-voltage operating conditions, preventing component failure due to voltage spikes.
Wide power supply voltage range (1～60V): Offers flexible compatibility with diverse circuit designs, eliminating the need for additional voltage regulation components and simplifying system integration.
Tailored for harsh working environments, these optocouplers excel in environmental adaptability:
Broad operating temperature range (-55℃～+100℃): Withstands extreme cold and heat in outdoor industrial sites, automotive electronics, and aerospace applications.
Ceramic package robustness: Resists mechanical shocks and vibrations, making it suitable for equipment installed in high-motion environments such as factory automation machinery and transportation systems.
The single-channel LCC4 package design of the W6102S/W6103S/W6149S series enhances circuit layout flexibility:
Compact size enables high-density PCB integration, saving valuable space in miniaturized electronic devices.
Standard pin configuration simplifies replacement and upgrade processes for existing systems, reducing design and production cycles.
In industrial control signal isolation scenarios, these optocouplers serve as a critical isolation layer between sensors, actuators, and PLCs (Programmable Logic Controllers). They prevent ground loop interference and high-voltage leakage, ensuring accurate signal transmission for process control and monitoring.
For switching power supply circuits, the high isolation voltage and fast response speed of the W6102S/W6103S/W6149S optocouplers enable efficient feedback control, stabilizing output voltage and improving power conversion efficiency while enhancing system safety.
In digital communication circuits and computer interface systems, these components isolate data transmission paths, protecting host devices from external electrical disturbances. They are widely used in RS-485/CAN bus communication and data acquisition systems.
The optocouplers provide reliable signal triggering and amplification in pulse amplifier circuits and trigger circuits, supporting high-frequency signal processing with minimal distortion.
Part NO. | Package | Dimensions(mm） | Pin Definition（Top View） |
W6102S | LCC4/ Single channel |
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W6103S | LCC4/ Single channel |
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W6149S | LCC4/ Single channel |
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The W6102S/W6103S/W6149S optocouplers are available for sample testing and bulk orders, with a minimum order quantity of 1 unit. Whether you need customized solutions for specific applications or technical support for circuit design, our professional team is ready to assist you.
Inquire Now to get a detailed quotation, technical datasheets, and application notes. We offer flexible delivery terms and after-sales service to meet your production needs.
The isolation voltage of this series exceeds 1000V, which is sufficient to meet the isolation requirements of most industrial and power supply applications.
The W6149S adopts an LCC4 single-channel package, which is compact and suitable for high-density circuit integration.
Yes. The operating temperature range of the W6102S/W6103S/W6149S series is -55℃ to +100℃, ensuring stable performance in harsh temperature conditions.
