TZM5242F-GS18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	--
Power - Max:	500mW
Impedance (Max) (Zzt):	600 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 9.1V
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

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Diodes - Zener - Single

TZM5242F-GS18 application field and working principle

The TZM5242F-GS18 is a single Zener diode, a two-terminal device that is capable of withstanding high reverse voltages. It is useful in creating a predetermined voltage across two terminals, and is used in many applications in a wide range of industries. This article will look at the application fields and working principle of the TZM5242F-GS18, as well as its characteristics and design considerations.

Application Fields

The TZM5242F-GS18 is generally used in applications such as power supply regulation, voltage-clamping, signal communications, and transient voltage protection. It is also commonly found in TV and CRT monitors, automotive electronics, telephone systems, and other consumer electronics. As it is capable of drawing relatively small amounts of power, it can be used in low power designs and can be employed in a number of different areas.

Working Principle

The TZM5242F-GS18 is a Zener diode, which allows electrical current to flow in the opposite direction when a reverse bias voltage is applied. When the reverse bias is equal to or higher than the Zener breakdown voltage, the diode begins to conduct current. This current passes through the diode, creating a constant voltage across the two terminals and allowing a predetermined voltage level to be maintained.

Characteristics and Design Considerations

The TZM5242F-GS18 has a wide operating temperature range, with a maximum operating temperature of 175°C. It can also withstand high reverse voltage – in this instance, up to 42V. The TZM5242F-GS18 also has a low reverse leakage current, meaning that it can be used in most low-power designs without the need for additional components. Furthermore, due to its small size, the TZM5242F-GS18 is highly suitable for compact designs where size is a factor.When selecting a TZM5242F-GS18, it is important to consider the power dissipation. In this instance, the Zener diode has an absolute maximum power rating of 200mW and a maximum reverse power dissipation of 100mW. It is also important to consider the environment in which the diode will be used, as well as the operating temperature and the allowable voltage excursions.

Conclusion

The TZM5242F-GS18 is a single Zener diode that is commonly used in applications such as power supply regulation, voltage-clamping, signal communication, and transient voltage protection. It is capable of withstanding high reverse voltages and offers a wide operating temperature range and a low reverse leakage current. When selecting a TZM5242F-GS18, it is important to consider the power dissipation, operating temperature, and allowable voltage excursions.

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