TZM5251F-GS18

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Diodes - Zener - Single

The TZM5251F-GS18 is a single zener diode that belongs to a special range of diodes which are particularly useful in the regulation of voltage levels in electrical circuits. It can be used to provide one or more stable voltages when connected in series to a current source. It operates by utilizing the process of Zener breakdown, whereby the electric current is increased by the electrical field present within the semiconductor material, thus causing the voltage across the diode to decay rapidly. This prevents the voltage level from exceeding the Zener voltage, allowing the part to act as a regulator of voltage levels.

The TZM5251F-GS18 has a maximum of 18V of reverse voltage, or breakdown voltage, and also a maximum of 6A of current which can be passed through the diode. It is rated to operate in temperatures ranging from -65°C to 175°C. It is available in a plastic TO-129 package, which is the most commonly used package for zener diodes.

The working principle of the TZM5251F-GS18 is based on Zener breakdown. As the reverse voltage rises, an electric field is produced in the semiconductor structure. This electric field increases until it reaches a certain point, known as the breakdown voltage. At this point, the electric field is so strong that it causes a sudden and dramatic increase in electric current, which causes the voltage to drop quickly. As long as the reverse voltage remains below the breakdown voltage, the voltage remains constant, allowing the diode to act as a voltage regulator.

The TZM5251F-GS18 is mainly used in power supplies, voltage regulation circuits and other applications that require a low voltage level to be maintained. It can also be used in DC-DC converters, as part of an over-voltage protection circuit, or in other applications that involve regulating the voltage of a circuit.

In summary, the TZM5251F-GS18 is a single zener diode that is useful for regulating voltage levels in electrical circuits. It has a reverse voltage rating of 18V and a maximum current of 6A, and operates in temperatures ranging from -65°C to 175°C. It is mainly used in power supplies, voltage regulation circuits and other applications requiring a low voltage level to be maintained.

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