1PMT4126/TR7

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Diodes are electrical components that control the direction of the flow of electricity in a circuit. They are a type of semiconductor, meaning they have the ability to both transfer and limit electrical current. The 1PMT4126/TR7 is a type of diode called a Zener diode that is used in a variety of applications. This article will cover the 1PMT4126/TR7\'s application field and working principle.

Applications of 1PMT4126/TR7

The 1PMT4126/TR7 Zener diode is a general-purpose diode typically used in consumer electronics, automotive, or power supply applications. Its use is especially common in industry for its ability to provide protection against over-voltage or short-circuit conditions. The 1PMT4126/TR7 is also used in linear voltage regulation, dynamic braking circuits, and other circuit protection circuits. It is preferred to other diodes due to its ability to provide a stable voltage reference and minimal current leakage.

Working Principle of 1PMT4126/TR7

The 1PMT4126/TR7 Zener diode is a semiconductor device made of negatively doped P-type material on the outside with a small strip of differently doped N-type material on the inside. When the voltage across the diode is increased above the Zener voltage (Vz), the built in PN-junction break down, creating a conductive path through the diode. The goal of the Zener diode is to provide a constant voltage output of Vz, regardless of input voltage conditions or load changes. Once the reverse breakdown occurs and current begins to flow through the diode, the voltage drop on the diode remains at Vz for any amount of current, meaning the diode provides constant voltage reference.

The breakdown current of the 1PMT4126/TR7 Zener diode is the maximum current at which the diode can conduct without destroying itself. Depending on the application, the breakdown current can range from 1µA to 1mA, which is determined by the current rating of the diode.

The 1PMT4126/TR7 also has a unique voltage regulation capability as its output voltage remains relatively constant over variations in temperature and input supply voltages. This is accomplished by matching the Zener breakdown voltage with the value of the input voltage. The diode’s voltage regulation is an advantage over other diodes due to its ability to maintain a constant voltage over a wide variety of input and temperature conditions.

In summary, the 1PMT4126/TR7 Zener diode is a general purpose semiconductor hence used for a wide range of applications, such a consumer electronic and automotive. Its ability to provide protection against over-voltage or short-circuit conditions and to supply a stable voltage reference with minimal current leakage make it preferred to other diodes. The diode works by having a built in PN-junction that can break down when the voltage across the diode is increased above the Zener voltage. The voltage drop on the diode remains at Vz, and its output voltage remains constant over varying temperature and input supply voltages.

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