MMXZ5255B-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	28V
Tolerance:	±5%
Power - Max:	200mW
Impedance (Max) (Zzt):	44 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 21V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 100mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323

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Introduction to the MMXZ5255B-TP

The MMXZ5255B-TP belonging to the Diodes - Zener - Single category is a device composed of two Zener diodes connected in series in a standard cathode anode orientation. The device is designed for applications such as overload and voltage protection and can handle a maximum power rating of 5 W and a maximum voltage of 25 V.

Application Field of the MMXZ5255B-TP

The MMXZ5255B-TP is particularly suitable for applications requiring high power capacity and excellent reliability. It is especially used as an overload and voltage protection component as it has a high break down voltage of 5.2V and operates in a voltage range of 3V to 25V at a power up to 5W. This makes it ideal for use in applications such as high voltage power supplies, voltage regulators, and other circuit protection circuits where a high breakdown voltage and maximum reliability are needed. The MMXZ5255B-TP is also suitable for use in circuit board protection applications where its high power handling capacity and high voltage breakdown rating help to provide an extra layer of protection against voltage surges and short-circuits. Its high power and small form factor also make it an ideal component for use in high power LED lighting applications, for which its high power handling capacity and high voltage breakdown rating are needed for maximum efficiency and reliability.

Working Principle of the MMXZ5255B-TP

The MMXZ5255B-TP works by using two Zener diodes connected in series. The two diodes are arranged in a standard cathode anode orientation and connected in series such that when a voltage is applied across the device, the voltage at the cathode is larger than the anode voltage. In this way, the two Zener diodes form a voltage clamping circuit, and any voltage above the breakdown voltage of the two diodes (5.2V) is prevented from flowing through the device. When a current is passed through the device, the voltage across the two diodes drops and the voltage at the cathode and anode becomes equal. This state is known as \'bleeding\' and is the state the device is in when it is performing its protection function. The Zener diodes will continue to provide protection until the power dissipated equals the maximum power rating of the device (5 W). In addition to providing protection from high-voltage surges, the MMXZ5255B-TP can also act as a voltage regulator due to its internal series resistors that limit the current through the device. This ensures that the voltage on the output side is equal to or slightly lower than the input voltage, allowing the circuit to remain stable and the device to act as an efficient voltage regulator.

Conclusion

The MMXZ5255B-TP belongs to the Diodes - Zener - Single category and is a two Zener-diode connected device designed for applications including overload and voltage protection and circuit board protection. It operates in a voltage range of 3V to 25V with a maximum power rating of 5 W and a breakdown voltage of 5.2V, making it ideal for applications where a high voltage breakdown rating and maximum reliability are needed. In addition to providing protection from voltage surges and short-circuits, the device can also act as a voltage regulator, ensuring that the voltage on the output side remains stable and close to that of the input voltage.

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