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MID400 from FAIRCHILD,Fairchild Semiconductor

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MID400

Manufacturer: FAIRCHILD, FAI, FSC

AC LINE MONITOR LOGIC-OUT DEVICE

Partnumber Manufacturer Quantity Availability
MID400 FAIRCHILD, FAI, FSC 222 In Stock

Description and Introduction

AC LINE MONITOR LOGIC-OUT DEVICE # Introducing the MID400: A Reliable Optocoupler for Industrial Applications  

In today’s fast-evolving industrial and automation sectors, signal isolation is critical to ensuring safety, noise immunity, and system reliability. The **MID400** optocoupler stands out as a high-performance solution designed to meet these demands with precision and durability.  

Engineered for robust performance, the MID400 provides **galvanic isolation** between input and output circuits, protecting sensitive control systems from voltage spikes, ground loops, and electromagnetic interference. Its **high common-mode transient immunity (CMTI)** ensures stable operation even in electrically noisy environments, making it ideal for motor drives, power supplies, and industrial automation applications.  

Featuring a **high-speed response** and **low propagation delay**, the MID400 facilitates seamless signal transmission while maintaining isolation integrity. Its **wide operating temperature range** ensures consistent performance in harsh conditions, from factory floors to outdoor installations.  

Designed with reliability in mind, the MID400 incorporates **industry-standard pin configurations**, simplifying integration into existing designs. Whether used in PLCs, inverters, or isolated data acquisition systems, this optocoupler delivers consistent performance with minimal power consumption.  

For engineers seeking a dependable isolation solution, the MID400 offers a balance of **performance, durability, and ease of use**, making it a preferred choice for demanding industrial applications. By integrating the MID400 into your designs, you can enhance system safety and efficiency while reducing downtime and maintenance costs.  

Explore the MID400 and experience the benefits of a high-quality optocoupler designed for the challenges of modern industrial electronics.

Application Scenarios & Design Considerations

AC LINE MONITOR LOGIC-OUT DEVICE

Alternative Part Number

  • H11L1 --: Logic-output optocoupler with similar AC input detection function and widely available as a direct functional substitute.
  • HCPL-3700 --: AC/DC voltage threshold detector optocoupler that closely matches the MID400's line-monitor application.
  • PC814 --: AC input optocoupler offering similar input-side AC sensing capability for line monitoring circuits.
  • H11L2 --: Same H11L series logic optocoupler with higher input current threshold, suitable as a drop-in functional replacement for AC line monitoring.
  • TLP559 --: Photocoupler with logic-level output and AC input capability, offering comparable isolation and switching behavior for similar applications.
  • H11L3 --: Another H11L series variant with different sensitivity, offering a flexible alternative when the exact MID400 threshold is not critical.

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