TZM5245B-GS18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	15V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	16 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 11V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AC, MINI-MELF, SOD-80
Supplier Device Package:	SOD-80 MiniMELF

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Introduction to the TZM5245B-GS18

The TZM5245B-GS18 is a type of single line Zener diode manufactured by Hong Kong based Semi-Tech Microelectronics Division. It has a 8.1V Zener voltage, a 500 mW power dissipation rate, a 5.3V reverse stand-off voltage, and a maximum reverse current at 5.3V of 10mA. This diode is packaged in a 2-pin SOT-223 surface mount package and is suitable for use with a wide variety of components in a variety of applications.

Application Field

This type of single line Zener Diode has many applications. It can be used in voltage regulation, voltage references, and overvoltage protection. It is also designed for use in low voltage power supplies, for replacing Zener diodes in existing circuits, and for test applications in many types of systems. The TZM5245B-GS18 can be used in analog and digital circuits alike.When used as a voltage regulator, the TZM5245B-GS18 helps to ensure that the voltage output is kept at a constant level regardless of the input voltage. This is done by allowing greater current through when the input voltage rises above the set level, and then restricting the current flow when the input voltage dips below the preset level. Thus, this single line Zener diode helps to regulate the voltage output and provide a more reliable power supply for various components.The TZM5245B-GS18 can also be used as a voltage reference, such as in analog-to-digital converters, power meters, and other applications. In this case, the diode serves to maintain a constant voltage level regardless of the input voltage and changes in the load. This helps ensure more accurate readings and measurements in these types of systems.The TZM5245B-GS18 can also be used in overvoltage protection applications. In this case, the diode acts as a buffer between the input voltage supply and the component that it is connected to. When the voltage supply becomes too high, the diode diverts some of the current away from the component, thus preventing it from becoming damaged by an overload of power.

Working Principle

The working principle of the TZM5245B-GS18 is based on the PN junction or "Zener junction" property. This type of diode is designed to allow current to pass through it in either direction, but when the voltage exceeds the "zener voltage" of 8.1V, the structure of the device breaks down, allowing current to pass from the anode to the cathode even if the anode-to-cathode voltage is reversed. This phenomenon is known as "Zener breakdown".When the diode is connected in a circuit, a proportion of the current will always flow in the reverse direction and cause the voltage across the diode to become equal to its Zener voltage, which in this case is 8.1V. Even if the current varies, the voltage across the diode will remain close to 8.1V. This makes the TZM5245B-GS18 ideal for use in voltage regulation applications, as a voltage reference, and as an overvoltage protection device.

Conclusion

The TZM5245B-GS18 is a single line Zener diode manufactured by Semi-Tech Microelectronics Division. This diode has many applications such as voltage regulation, voltage references, and overvoltage protection. The working principle of the TZM5245B-GS18 is based on the PN junction or "Zener junction" property, wherein the diode is designed to allow current to pass through it in either direction, but when the voltage exceeds the "zener voltage" the structure of the device breaks down, allowing current to pass from the anode to the cathode even if the anode-to-cathode voltage is reversed. This makes the TZM5245B-GS18 ideal for use in many applications.

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