MMBZ5259B-G3-18

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MMBZ5259B-G3-18 is a single Zener diode. It is commonly used in protecting circuits from medium-to-high-level AC and DC transient voltages. This device is able to limit the voltage in the circuits by clamping the voltage to a certain voltage, the so-called Zener voltage.

This device has a 3.6V Zener voltage and its rated power dissipation is 250mW. It is manufactured with a planar processing chip and can operate in both AC and DC applications with a maximum peak reverse voltage of 18V. The maximum reverse leakage current of this diode is 5 microampere.

MMBZ5259B-G3-18 is usually used in Lithium-ion battery protection, voltage spike protection, and over-voltage protection in medical equipment, consumer electronics, and industry applications.

The working principle of MMBZ5259B-G3-18 is based on the PN junction built into the device. When the voltage level on the anode side of the diode exceeds the Zener Voltage of the diode, the diode starts to conduct electric current in the reverse direction. This curtails the voltage to a safe level. The Zener voltage should be much lower than the peak working voltage of the circuit.

MMBZ5259B-G3-18 can limit the voltage in a circuit to a pre-determined safe level and prevent damage to sensitive components by sudden spikes in voltage or current. The device is especially suitable for use in high frequency applications where the transient Voltages can be very high.

MMBZ5259B-G3-18 is reliable and cost-effective solution for applications such as to obtain constant voltage output from AC power sources, battery chargers, automotive electronics, and general-purpose protection from high voltage. The device has a low capacitance and low leakage current, making it suitable for high speed applications.

The device also comes with two terminals for easy mounting. Its scale marking ensures easy identification. This diode also comes with complete data sheets and application notes for a more accurate specification and implementation in system designs. This feature is useful for designers and users who want to integrate the device in existing systems or build systems from scratch.

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