Hi Everyone! I hope you’re well today. Happy to see you around. In this post today, I’ll walk you through the Introduction to MID400.
The MID400 is an 8-pin optically isolated AC line-to-logic Power Line Monitor Optocoupler. The AC line voltage is detected by two back-to-back LEDs that are connected in series with an external resistor. When this device identifies the AC voltage, the output pin goes low and when there is no AC voltage detected, it remains high.
This feature of detecting the AC line voltage is widely employed in AC to DC control and relay latching applications. I suggest you buckle up as I’ll walk you through the complete introduction to MID400 covering datasheet, pinout, features, equivalents, and applications. Let’s dive right in.
The following figure represents the pinout diagram of MID400.
The following table demonstrates the pin description of MID400.
Pin Description of MID400 | ||||
---|---|---|---|---|
Pin No. | Pin Description | Pin Name | ||
1 | AC Live wire is connected to this Pin | AC Live | ||
2 | No connection | Not used | ||
3 | AC Neutral wire is connected to this pin | AC Neutral | ||
4 | No connection | Not used | ||
5 | The ground pin of the device | Ground | ||
6 | Open collector output pin | V Output | ||
7 | Used to control time delay and AC voltage sensing by adding a capacitor to this pin | Auxiliary | ||
8 | Device Operating Voltage | Vcc |
You can see from the table above… out of 8 pins, two pins(2 & 4) are not used for any connection. Pin 5 is the ground and Pin 8 is the voltage supply pin.
The following are the main features of MID400.
The following are the alternatives to MID400:
While working with the alternatives, double-check the pinout of the alternatives, as the pinout of the alternatives might differ from the pinout of MID400.
MID400 is used in the following applications.
That was all about the Introduction to MID400. If you’re unsure or have any queries, you can pop your question in the section below. I’d love to help you the best way I can. You’re most welcome to share your valuable suggestions and feedback around the content we share, so we keep producing quality content tailored to your exact needs and requirements. Thank you for reading the article.
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