1PMT4125C/TR7

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The 1PMT4125C/TR7 diode belongs to a large family of Zener diodes that are widely used in modern electronics. The diode is used to regulate the flow of electrical current from one component to another. In addition to this, it is also used as a protective component to control electrical current in certain applications. In this article, we will discuss the application field and working principle of the 1PMT4125C/TR7 diode.

Application Field

The 1PMT4125C/TR7 diode is suitable for a variety of applications, such as for voltage regulation, overvoltage protection and noise suppression. It is designed to provide cost-effective and reliable protection against over-voltage transients and continuous line voltage conditions. The diode is also suitable for use in line-powered consumer and industrial electronic applications.

The diode has a low surge rating and is capable of protecting vulnerable components from over-voltage transients. It can also be used to reduce the power consumption of electronic devices in order to improve the efficiency of the device. The diode is also suitable for applications with high load current requirements such as automotive electronics and satellite systems.

Working Principle

The 1PMT4125C/TR7 diode is a so-called medium power Zener diode, meaning it has a reverse breakdown voltage of 4V. The maximum permissible current of this diode is 125mA. It has an excellent temperature stability and can operate effectively in a wide temperature range from -55°C to 150°C.

When the diode is forward biased, the voltage between its cathode and anode rises until it reaches the breakdown voltage (4V). At this point, the reverse bias current is allowed to flow through the diode in order to maintain the voltage at the breakdown level. This current is referred to as the Zener current or “knee” current, and is used to regulate the voltage.

When the diode is reverse biased, a large current will flow through the diode, which increases the voltage and eventually saturates the diode. This current is called the leakage current. This leakage current can cause damage to the diode, so it is important to ensure that the reverse bias current is limited to avoid saturation of the diode.

The 1PMT4125C/TR7 diode is designed for an operating temperature range of -40°C to +125°C. It is also equipped with an insulated case and a solderable cathode for easy installation. The diode is also resistant to reverse voltage surges and the maximum allowable surge voltage is specified in the datasheet.

This diode is widely used in a variety of electronic applications, including power supplies, voltage-controlled oscillators, signal conditioning circuits and switching circuits. It is also used as a protective component to reduce the power consumption of electronic devices and to improve the efficiency of the device.

In summary, the 1PMT4125C/TR7 diode is a medium power Zener diode. It has a wide applications range, including voltage regulation, overvoltage protection, signal conditioning, and noise suppression. The diode has a low surge rating and a narrow operating temperature range. The diode is also resistant to reverse voltage surges, making it an ideal choice for many electronic applications.

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