MM3Z20VST1G

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The MM3Z20VST1G is a part of Diodes Inc’s family of single-zone Zener diodes. It is a 3.2V optimized, 20V Zener diode, featuring an uni-directional design and Reverse Breakdown Voltage of 3.2 V. This device is ideal for use in applications where a diode with a low forward voltage drop and low operating temperature is required.

Features of MM3Z20VST1G include a low-leakage current up to 10mA, a low forward voltage drop of 0.2 V, a maximum power dissipation rating of 250mW and an operating temperature range of -40°C to 85°C. It is also RoHS compliant and has been designed to meet safety and performance requirements in a variety of industrial, automotive, telecom and consumer applications.

The MM3Z20VST1G is designed to provide reliable protection against overvoltage in automotive, industrial and consumer applications. It is suited for use as a clamping or “crowbar” device for both transient and steady-state overvoltages. It can also be used as a protection diode for any DC-DC converter that experiences input overvoltages. The diode’s clamped voltage is set by its reverse breakdown voltage which is 3.2 V

The MM3Z20VST1G works on a very simple principle. The flow of current through the diode is in one direction only, meaning that reverse current is blocked. When the diode is forward biased, the applied forward voltage across the diode must be greater than the Zener breakdown voltage before current will flow through the diode. This enables the diode to act as a voltage clamping device, limiting the voltage across it to the breakdown voltage of the diode. When the applied voltage is higher than the breakdown voltage of the diode, the excess voltage will be “clamped” across the diode and the current will be diverted away from the circuit, thus providing overvoltage protection.

In summary, the MM3Z20VST1G is an ideal choice for protection against overvoltage in DC-DC converters, automotive, industrial and consumer applications. It features a low forward voltage drop, low leakage current, and an operating temperature range of -40°C to 85°C. It is also RoHS compliant, making it a great way to ensure safety and performance requirements of a variety of applications.

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