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PS9821-1 from NEC

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PS9821-1

Manufacturer: NEC

HIGH CMR, 10 Mbps 3.3V OPEN COLLECTOR OUTPUT TYPE SO8 OPTOCOUPLER

Partnumber Manufacturer Quantity Availability
PS9821-1,PS98211 NEC 1256 In Stock

Description and Introduction

HIGH CMR, 10 Mbps 3.3V OPEN COLLECTOR OUTPUT TYPE SO8 OPTOCOUPLER The PS9821-1 is a high-performance optocoupler designed for applications requiring reliable signal isolation and noise immunity. This component integrates a high-speed photodiode and a precision amplifier, enabling accurate signal transmission across isolated circuits while maintaining electrical separation.  

With a compact design, the PS9821-1 is suitable for industrial automation, power supply systems, and communication interfaces where voltage isolation is critical. It offers a fast response time and low power consumption, making it an efficient choice for high-frequency signal processing. The device operates over a wide temperature range, ensuring stability in demanding environments.  

Key features include high common-mode transient immunity (CMTI) and low propagation delay, which enhance signal integrity in noisy conditions. The PS9821-1 is also compliant with industry safety standards, providing reliable isolation for both digital and analog circuits.  

Engineers often select this optocoupler for its durability and consistent performance in applications such as motor control, isolated gate drivers, and data acquisition systems. Its robust construction and dependable operation make it a preferred solution for maintaining signal accuracy while preventing ground loop interference.  

In summary, the PS9821-1 is a versatile and efficient optocoupler, well-suited for modern electronic systems requiring secure signal isolation.

Application Scenarios & Design Considerations

HIGH CMR, 10 Mbps 3.3V OPEN COLLECTOR OUTPUT TYPE SO8 OPTOCOUPLER

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