1PMT4132/TR7

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1PMT4132/TR7 application field and working principle

Diodes - Zener - Single

1PMT4132/TR7 is a single Zener diode belonging to the group of semiconductor diodes and suitable for industrial applications. This diode can be used for a variety of different functions, including protecting circuits and regulating power. These diodes are specifically designed to operate in the breakdown region for the purpose of controlling the voltage in circuits.

A Zener diode is nothing but a type of semiconductor that allows current to flow in only one direction, just like a normal diode. However, Zener diodes have the unique characteristic of being able to break down and create a short circuit whenever the voltage in the circuit reaches a certain level. This property of the diode is called the breakdown voltage or the Zener voltage.

1PMT4132/TR7 diodes have a breakdown voltage of 12.4 V and a maximum reverse power dissipation of 500 mW. They have a maximum forward current rating of 3 A, maximum reverse current of 10 nA, and a maximum surge forward current of 200 mA. Due to the high breakdown voltage, these diodes are ideal for use in power supplies, voltage regulators, and other circuits that require stable and tight voltage control.

In order to understand how 1PMT4132/TR7 works, one must first understand the underlying principles of semiconductors. When a diode is forward biased, a small amount of current passes through the diode and the voltage across the diode increases, until it reaches a certain level, called the barrier voltage.

Once the barrier voltage has been exceeded, charges are allowed to flow freely, and the short-circuit current is established. This short-circuit current is limited to a maximum value by the dynamic resistance of the diode. This is the primary purpose of a Zener diode, to limit the excess voltage and regulate the power in a circuit.

1PMT4132/TR7 can also be used in switching circuits, where the current must be switched on and off quickly. In such applications, the Zener breakdown voltage is used as a reference voltage, and the dynamic resistance of the diode as the switch.

The 1PMT4132/TR7 diode is also used in voltage-controlled oscillator (VCO) circuits, where it acts as a voltage-controlled switch. Here, the diode is biased at a certain constant voltage and is used to switch the oscillator circuit on and off whenever the circuit reaches a certain voltage.

To summarize, 1PMT4132/TR7 is a Zener diode that is used in a variety of applications, including power supplies, voltage regulators, switching circuits, and voltage-controlled oscillators. It has a breakdown voltage of 12.4 V, a maximum forward current rating of 3 A, a maximum reverse current of 10 nA, and a maximum surge forward current of 200 mA.

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