1PMT4130/TR13

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Diodes are a type of semiconductor which allow current to flow in one direction while blocking current in the reverse direction. This makes them especially useful in creating rectifying circuits, as they can be used to convert alternating current (AC) into direct current (DC). Zener diodes are a special type of diode which are designed to conduct current in the reverse direction when a certain minimum reverse voltage, known as the “zener voltage”, is reached. Single diodes are those that contain a single junction, as opposed to diodes with several junctions. This article will discuss the 1PMT4130/TR13 diode, a single Zener diode, and its applications and working principles.

Description and Application

The 1PMT4130/TR13 is a single Zener diode which is manufactured by OSRAM-Semiconductor. It is a small, surface-mountable device, measuring just 6 x 3.2 x 1.2mm, which makes it ideal for applications where size and space are at a premium. The diode has a breakdown voltage of 12V, with a tolerance of ±2%. It is capable of handling up to 500mW of power, meaning it can be used to regulate up to 2A of current. This makes it suitable for use in low-power voltage regulation applications, such as in DC/DC converters or battery chargers.

The 1PMT4130/TR13 is normally used as a protection device in circuits where it will provide protection against overvoltage or current surges. It can also be used in voltage regulation or as a reference voltage. In addition, due to its miniature size and high power handling capabilities, it is often used in aerospace and military applications, as well as in medical equipment or handheld devices.

Working Principle

The working principle behind the 1PMT4130/TR13 is based on a two-step zener breakdown mechanism. The first step involves the conduction of holes and electrons through an avalanche provided by a very small reverse voltage. This produces a large current and voltage regulation. The second step involves the formation of an internal electric field which blocks further electron-hole pairs from avalanche conduction and limits the reverse current from reaching dangerously high levels.

The device is able to handle current up to its rated power rating, which is 500mW. The reverse voltage breakdown is 12V and the current at that voltage is around 5mA. The device also has a wide range of operating temperatures, from -55°C to 175°C. As it operates at low voltages, it is also very reliable in terms of leakage current.

Conclusion

The 1PMT4130/TR13 is a single Zener diode, manufactured by OSRAM-Semiconductor. It is a miniature device, suitable for use in applications where space is at a premium. Due to its high power handling and operating temperature range, it is often used in a variety of applications, including voltage regulation, protection against overvoltage or current surges, and reference voltage. The working principle of the 1PMT4130/TR13 is based on a two-step zener breakdown mechanism, which provides stable current and voltage regulation.

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