IC Phoenix logo

Home ›  M  › M154 > MOC205M

MOC205M from FAIRCHILD,Fairchild Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

MOC205M

Manufacturer: FAIRCHILD, FAI

8-Pin SOIC Phototransistor Output Optocoupler

Partnumber Manufacturer Quantity Availability
MOC205M FAIRCHILD, FAI 3053 In Stock

Description and Introduction

8-Pin SOIC Phototransistor Output Optocoupler # Introduction to the MOC205M Optocoupler  

The **MOC205M** is an optocoupler (or optoisolator) designed to provide electrical isolation between two circuits while allowing signal transmission through an optical interface. This component consists of an infrared LED optically coupled to a phototransistor, ensuring safe and reliable signal transfer without direct electrical connection.  

Optocouplers like the MOC205M are widely used in applications requiring noise immunity, voltage level shifting, or protection against high-voltage transients. Common use cases include industrial control systems, power supply feedback circuits, and microcontroller interfacing where electrical isolation is critical.  

Key features of the MOC205M include a high isolation voltage, ensuring safe operation in high-voltage environments, and a compact package suitable for space-constrained designs. Its phototransistor output allows for easy integration with digital and analog circuits, making it a versatile choice for designers.  

When selecting an optocoupler, parameters such as current transfer ratio (CTR), response time, and voltage ratings must be considered to ensure compatibility with the intended application. The MOC205M offers a balanced performance, making it a reliable choice for general-purpose isolation needs.  

For optimal performance, proper circuit design—including appropriate current-limiting resistors for the input LED—should be followed. Datasheets provide essential specifications to guide implementation.  

In summary, the MOC205M is a practical and efficient optocoupler for applications requiring electrical isolation and signal transmission, combining reliability with ease of use.

Application Scenarios & Design Considerations

8-Pin SOIC Phototransistor Output Optocoupler

Alternative Part Number

  • H11A1 --: Classic 6-pin DIP phototransistor optocoupler with similar CTR and isolation ratings, widely available and pin-compatible.
  • PC817 --: Very common 6-pin DIP optocoupler with comparable current transfer ratio and isolation voltage, low cost and easy to source.
  • 4N25 --: Standard 6-pin DIP phototransistor optocoupler with similar CTR range and 5 kV isolation, a well-known drop-in style alternative.
  • TLP521-1 --: Single-channel phototransistor optocoupler offering similar CTR and 5 kV isolation, a well-established substitute for general-purpose isolation.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips