MMSZ5225C-E3-18

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The MMSZ5225C-E3-18 is a single Zener diode. It is widely used in voltage regulation and other applications. It is part of the widely used “MMSZ” family of Zener Diodes.

Specifications

• Reverse Standoff Voltage: 18V
• Max Power Dissipation: 500mW
• Max Zener Impedance: 54.2Ω
• Max Zener Reverse Leakage Current: 5μA

Applications

The MMSZ5225C-E3-18 is a widely used component used in many different types of circuits. It is primarily used in voltage regulation circuits to stabilize or adjust the output voltage. For example, it can be used to regulate the voltage delivered to a load, or to step up the voltage. It can also be used in flyback-type power supplies to limit the peak currents to the load.

It can be used in many other applications such as in switched-mode power supplies to reduce the peak-valley current, in reverse-blocking circuits, as a buffer in EMI filters, and as a protection device.

Working Principle

A Zener diode works by creating a diode junction with a narrow depletion region. This narrow depletion region allows for the flow of current in both directions. When the reverse bias voltage is increased, the current flows from the anode to the cathode, creating an avalanche effect.

When the reverse bias voltage reaches the Zener voltage (the breakdown voltage), the current becomes constant and the voltage starts to drop off as the temperature rises. This is known as the Zener effect and it is how a Zener diode regulates the output voltage.

Advantages

• High reliability
• Very low power consumption
• Low cost
• Can handle large currents

The MMSZ5225C-E3-18 is a widely used component and offers a number of advantages in many different applications. Its wide range of uses, combined with its high reliability and low cost, make it an ideal choice for a variety of voltage regulation and other applications.

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