TZM5221B-GS18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	2.4V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	30 Ohms
Current - Reverse Leakage @ Vr:	100µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AC, MINI-MELF, SOD-80
Supplier Device Package:	SOD-80 MiniMELF

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Diodes - Zener - Single: TZM5221B-GS18 Application Field and Working PrincipleDiodes are the most common type of semiconductor device. Diodes are made of a semiconductor material and are used for controlling, regulating and measuring the voltage, current, and power being transferred between two or more electrical circuit elements. A zener diode is a specific type of diode used for voltage regulation. Among zener diodes, the TZM5221B-GS18 diode is specially designed for high-voltage overcurrent protection. It has a wide range of applications in power management, current limiting, and voltage regulation circuits.The TZM5221B-GS18 diode is a single diode structure with a positive and negative end. It has a gold wire bonding structure, allowing for greater stability in the connection and less likelihood of a breakdown when exposed to high-voltages. The diode has a capacitance of 6pF and a maximum drift of 0.5mV/°C. Its forward voltage is 3.2V, and its reverse voltage is 5V.The working principle of the TZM5221B-GS18 diode begins with the electrons in the semiconductor material. When semiconductor material conducts electricity, the electrons move through the material, creating a current. This movement of electrons is known as electric conduction. When a voltage is applied to the material, the electrons are forced to move in the direction of the applied voltage, thus creating an electric field. The electric field then causes current to flow in the device.When the electric field is created, the potential difference between the anode (positive) and the cathode (negative) is greater than the breakdown voltage of the diode. This causes the diode to turn on. When the voltage remains higher than the breakdown voltage, the diode will remain on, thus allowing for current to flow. The benefit of using a zener diode is that the breakdown voltage is always in the same direction and is also adjustable, depending on the needs of the device.The TZM5221B-GS18 zener diode can be used in various applications, such as in power management, current limiting, and voltage regulation circuits. It can be used to maintain a constant output voltage, regardless of input voltage variations. This is beneficial for voltage stabilization, power supply design and overvoltage protection. It can also be used as a temperature compensation device, current-limiting device, and voltage regulator. It is particularly useful in telecommunications, computer engineering, high-end audio/video, and lighting control applications.In conclusion, the TZM5221B-GS18 zener diode is ideal for applications such as voltage regulation and current-limiting. It is capable of handling high voltages, and it has a gold wire bonding structure, which provides stability and upholds current flow. With its wide range of applications and adjustable breakdown voltage, the TZM5221B-GS18 is a versatile, high-quality zener diode.

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