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MOC213 from QTC

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MOC213

Manufacturer: QTC, MOTO, FAIRCHILD, MOT

SMALL OUTLINE OPTOCOUPLERS TRANSISTOR OUTPUT

Partnumber Manufacturer Quantity Availability
MOC213 QTC, MOTO, FAIRCHILD, MOT 32255 In Stock

Description and Introduction

SMALL OUTLINE OPTOCOUPLERS TRANSISTOR OUTPUT # Introduction to the MOC213 Optocoupler  

The MOC213 is a high-performance optocoupler designed to provide electrical isolation between input and output circuits. It consists of an infrared LED optically coupled to a phototransistor, ensuring reliable signal transmission while maintaining galvanic isolation. This component is widely used in industrial control systems, power electronics, and communication interfaces where noise immunity and voltage separation are critical.  

Key features of the MOC213 include a high isolation voltage, fast response time, and stable performance across a broad temperature range. Its compact design makes it suitable for space-constrained applications, while its robust construction ensures durability in harsh environments. The optocoupler is commonly employed in applications such as motor control, relay driving, and digital logic interfacing.  

One of the primary advantages of the MOC213 is its ability to prevent ground loops and reduce electromagnetic interference (EMI), enhancing system reliability. Additionally, its low power consumption and high efficiency make it an ideal choice for energy-sensitive designs.  

Engineers and designers often select the MOC213 for its consistent performance and ease of integration into various circuit configurations. Whether used in industrial automation or consumer electronics, this optocoupler provides a dependable solution for signal isolation and noise reduction.  

By leveraging the MOC213, designers can achieve safer and more efficient circuit designs while maintaining compliance with industry standards for electrical isolation.

Application Scenarios & Design Considerations

SMALL OUTLINE OPTOCOUPLERS TRANSISTOR OUTPUT

Alternative Part Number

  • H11A1 --: Classic 6-pin phototransistor optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in most circuits.
  • 4N25 --: Standard 6-pin phototransistor optocoupler, same package style and comparable current transfer ratio, a common drop-in substitute.
  • PC817 --: Popular 4-pin phototransistor optocoupler with similar CTR and isolation voltage; requires minor footprint adjustment but is a reliable low-cost alternative.

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