TZM5251B-GS18

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Introduction

The TZM5251B-GS18 is a series of single zener diodes suitable for use in AC-DC power supplies, Voltage regulators, clampers and protection circuits. It features an exceptionally low dynamic resistance, excellent power rating characteristics, and wide temperature range. The device also offers superior reverse leakage current and low temperature coefficient.

Application Field

TZM5251B-GS18 is ideally used for reverse voltage protection and for providing a stabilizing voltage for current regulation in a variety of power supplies and voltage regulation applications. In AC-DC power supplies, the zener diode provides a stabilizing voltage for current regulation, thus preventing any over-voltage that might damage components. Other typical applications include surge protection, clamping, rectification and transient suppression.

Working Principle

The TZM5251B-GS18 consists of two distinct parts: a p-type semiconductor and an n-type semiconductor. When a voltage is applied across the p-type and n-type semiconductor, a current will flow from the positive terminal to the negative terminal. When the voltage reaches a certain critical level (known as the zener voltage) the reverse current will start to flow, thus maintaining a stable voltage across the device. The zener voltage can be adjusted by changing the doping concentrations of the p-type and n-type semiconductor layers.

The TZM5251B-GS18 is designed to have a forward current rating of up to 1 amp and a reverse breakdown voltage of 18 volts. This is achieved by using a p-type and n-type semiconductor layers with a wide bandgap. The wide bandgap of the device helps to ensure a low dynamic resistance, thus minimizing losses due to voltage regulation. Additionally, the device also features low temperature coefficient and good thermal performance.

Conclusion

The TZM5251B-GS18 single zener diode is a versatile device that is ideally suited for a wide range of applications. It features an exceptionally low dynamic resistance, excellent power rating characteristics, and wide temperature range. The device also offers superior reverse leakage current and low temperature coefficient. With a forward current rating of 1 amp and a reverse breakdown voltage of 18 volts, the device provides an efficient solution for powering AC-DC power supplies, voltage regulators, clampers and protection circuits.

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