TLZ24D-GS18

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TLZ24D-GS18 Diodes - Zener - Single Application Field and Working Principle

The TLZ24D-GS18 is a Zener type single diode which is used in a variety of applications. This diode is a member of the family of Zener diodes which are widely used and quite versatile. Below, we will explore the application fields, design and working principle of the TLZ24D-GS18, providing a brief yet detailed overview of all aspects.

An important component of the TLZ24D-GS18 is the Zener effect. The Zener effect occurs when the reverse bias across a p-n junction reaches a critical value. This causes the depletion layer to expand and electrons to be minority carriers, allowing for the junction to be forward biased. The TLZ24D-GS18 harnesses this effect, allowing for the majority carriers to be suppressed and the diode to be reverse biased without breakdown. This effect is the basis for the applications of Zener diodes, such as the TLZ24D-GS18.

The TLZ24D-GS18 can be used for voltage regulation, voltage clamping, and switching applications such as over-voltage protection and ESD (electrostatic discharge) protection. It can be used with rectifiers and voltage regulators, and provides ideal protection against over-voltage and ESD events. It is also often used in energizing AC to DC converters in household electronics.

The design of the TLZ24D-GS18 includes a cathode lead, an anode lead, and a central body containing the Zener region. It operates at a maximum operating temperature of 250°C, and a maximum reverse voltage of 18V. It has a maximum power of 500mW, a maximum forward current of 1.0A, and a total capacitance of 4.7pF. It has a respective breakdown voltage of 18V and a clamping voltage of 22V.

When the TLZ24D-GS18 is connected in the circuit with a reverse bias, the depletion layer blocks current in both the forward and reverse directions. However, when the reverse voltage reaches 18V, the Zener effect is triggered and the electrons become minority carriers, allowing the junction to be forward biased. This causes the depletion layer to expand, creating a high current flow between the anode and cathode which is used to regulate the voltage.

Another important aspect of the TLZ24D-GS18 is the ESD protection feature. An ESD event occurs when there is an imbalance of static electricity, causing a surge of current which can damage important components in the circuit. The TLZ24D-GS18 is designed with an ESD screw which is connected to the anode and a common ground. When the ESD event occurs, the ESD screw will act as a resistor, limiting the current and providing protection from the surge.

In conclusion, the TLZ24D-GS18 is a versatile and effective diode which is used in a variety of applications, including voltage regulation, voltage clamping and ESD protection. Its design allows it to provide ESD protection, voltage clamping and voltage regulation capabilities, making it an important component in many circuits. It is easy to integrate into a circuit and its versatility makes it the go-to diode when a reliable and efficient diode is needed.

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