1PMT5933E3/TR13

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Introduction

1PMT5933E3/TR13 is a zener diode of Single type and a widely used electronic component in the industry. It is a diode that allow electrical current to flow in one direction, and breakdown in the opposite direction. The purpose is to maintain a constant voltage across the device and prevent power surges.

Application Field

1PMT5933E3/TR13 is a diode element typically used in low voltage power supply circuits for regulating input sources. It is also used for clamping circuits, voltage reference circuits, voltage multiplier circuits and voltage dividers, as well as for providing a constant bias in the circuits. It is often used as protection devices in the power supply system and other low voltage devices, and in different kinds of circuit protection circuits.

Working Principle

1PMT5933E3/TR13 is a biased P-N junction diode with a predetermined breakdown voltage. When the voltage applied to its anode is lower than the threshold voltage, current flows normally. When the voltage is above the threshold, current increases dramatically and causing the P-N junction to break down, resulting in a relatively steady state current. This is known as Zener breakdown or junction breakdown.

The working principle of this type of diode can be seen in two parts: the first part is the current flow through the diode when an external voltage is applied across it. This current is dependent on the voltage and its temperature, as well as the doping levels of the materials in the device. The second part is the breakdown voltage. This is a fixed voltage, determined by the doping levels of the material and the built-in electric field.

It is important to note that the breakdown voltage of this type of device is not the same as its forward voltage. The breakdown voltage is much higher than the forward voltage and the device is able to withstand higher voltage levels due to its construction. The reverse leakage (or diode leakage current) through the diode is also affected by the temperature, making this type of diode more resistant to thermal shock.

Conclusion

1PMT5933E3/TR13 is a single type of Zener diode that is widely used in the industry. It is typically used in low-voltage power supply circuits, to regulate powering sources and for protection devices in the system. It works by allowing electrical current to flow in one direction and breakdown in the opposite direction, maintaining a constant voltage and preventing power surges. The key feature of this type of diode is its breakdown voltage, which is higher than its forward voltage and is resistant to thermal shock.

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