MMBZ5250BLT3G

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The MMBZ5250BLT3G is a single Zener diode which functions as either a low-current regulator diode or a high-frequency power amplifier shunt. This semiconductor device is used mainly in general-purpose electronics, automotive applications and telecoms. With its small size and low-cost, it is one of the most popular Zener diodes manufacturers across the world.

MMBZ5250BLT3G is mainly used as a low-current regulator diode, known as a voltage-regulating diode. Through the bi-directional conduction of the Zener diode and the resistor, the voltage is regulated to the Zener breakdown voltage. The typical application of the MMBZ5250BLT3G is shown below. Given the required output of 5V and the output current of 0.1A, a series resistor of 1.6kΩ and a MMBZ5250BLT3G with 5.1V breakdown voltage can be used. The basic operation circuit takes input voltage from the power source. The up-to-anode voltage of the Zener diode is greater than the Zener breakdown voltage, which effectively blocks any current flow in the forward direction. However, when the applied voltage exceeds the Zener breakdown voltage, the Zener diode acts as short circuit and the current flows through the resistor and the load.

MMBZ5250BLT3G can also be used as a high-frequency power amplifier shunt. When a bias voltage is applied to the diode, the diode is partially on at a low level and acts as a shunt. A Zener diode is the ideal choice for creating this type of shunt because of its low effective resistance across the junction and relatively low voltage breakdown. Unlike an ordinary diode, the Zener diode also maintains a constant power dissipation across the junction at all biasing levels. This stability makes the MMBZ5250BLT3G suitable for use in high-frequency circuits.

In general, MMBZ5250BLT3G is suitable for a wide range of general-purpose electronics, automotive applications and telecoms. This device is an ideal choice for applications where space and price are key considerations and it takes up little board space due to its Mini-FLAT package. Moreover, its 5.1V breakdown voltage is advantageous in terms of providing a reliable and stable performance.

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