MMSZ4679-TP

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MMSZ4679-TP Application Field and Working Principle

The MMSZ4679-TP is a single Zener diode which belongs to the MMSZ469X-TP series. It is a unidirectional diode with a junction breakdown voltage of 4.7V and a high capacitance. The MMSZ4679-TP features excellent performance characteristics and is widely used in a variety of electronic circuits.

The MMSZ4679-TP has a tolerable power rating of 500 mW and a maximum reverse current leakage rating of 5.0 mA. The device has a low temperature coefficient of 0.5 mV/°C and a 5:1 dynamic impedance ratio; this makes it suitable for applications that require accurate voltage measurements. Its high capacitance makes it ideal for stabilizing voltage fluctuations.

Applications for the MMSZ4679-TP include logic level translators, voltage differentiators, analog to digital converters, thermal protection circuits, single supply circuits, and switch mode power supplies. It is also used in low voltage oscillators, AC power supplies, and protection circuits.

The MMSZ4679-TP’s working principle is simple. When connected to an appropriate circuit, the device allows current to flow in only one direction. Once the voltage at the anode of the diode exceeds that of the cathode, the diode enters a specific “Zener breakdown” state. At this point, the device begins to act as a voltage regulator, ensuring that the voltage across the junction is maintained by conducting any excessive current away from the junction. This ensures that the MMSZ4679-TP behaves exactly as expected and operates correctly in a variety of electronic circuits.

In conclusion, the MMSZ4679-TP is a single Zener diode that is suitable for a wide range of applications. It offers excellent performance characteristics and a high capacitance, making it ideally suited for stabilizing voltage fluctuations and conducting current away from a junction. Its working principle is simple and easy to understand, and it can be used in a variety of electronic circuits.

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