1PMT5918CE3/TR7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	5.1V
Tolerance:	±2%
Power - Max:	3W
Impedance (Max) (Zzt):	4 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 2V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-216AA
Supplier Device Package:	DO-216AA
Base Part Number:	1PMT5918

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Diodes - Zener - Single

The 1PMT5918CE3/TR7 is a high-quality single Zener diode that has the ability to provide a frequency range from 300 MHz to 500 MHz. It is capable of providing an optimal level of power over a wide voltage range of up to 20V. The diode is often used in applications such as radios, television sets, and cellular phones.

Applications and Working Principle

The 1PMT5918CE3/TR7 has a wide array of applications. Its ability to withstand a maximum power up to 20V makes it suitable for use in audio, communications, and other high-end applications. In audio applications, it is used to help control the power to the speakers and the amplifiers so the sound can be optimized. In the communications sector, it is used in cell phones and radio transceivers to control the power levels of signals. Additionally, it can also be used in TVs, radar systems, and navigation instruments.The 1PMT5918CE3/TR7 operates based on zener, reverse bias, or avalanche breakdown. In all three cases, the electrons are injected into a heavily doped semiconductor material, like silicon or germanium, when the voltage across the device exceeds the critical break voltage. This causes a large number of minority carriers to be injected into the material, resulting in a large current flow. This current can also be used to provide a regulated, constant voltage across the circuit. Furthermore, the device also has an inherently low voltage drop, making it highly efficient.

Advantages and Disadvantages

The 1PMT5918CE3/TR7 has a few attractive benefits that many engineers consider when looking for a suitable power control device. One advantage of this device is its ability to provide a reliable output, even with fluctuations in the input voltage. This makes it possible to design circuits that are less dependent on the efficiency and accuracy of their power source. Additionally, the diode has a low voltage drop, meaning that it can power a circuit efficiently while expending minimal energy. Despite its advantages, the 1PMT5918CE3/TR7 also has some drawbacks. For one, it has relatively low power capacity, meaning that it cannot be used in applications that require high levels of power, such as motor control or industrial systems. Furthermore, its size makes it difficult to integrate into circuits that have high pin count. Additionally, these diodes are relatively expensive compared to other types of diodes.

Conclusion

The 1PMT5918CE3/TR7 is a single low-power zener diode suitable for a variety of applications. It has a maximum frequency of 500 MHz and is capable of providing a regulated voltage for applications that require a high degree of accuracy and reliability. Despite its advantages, it also has certain drawbacks such as its low power capacity and its cost. Although it might not be the best choice for all applications, the 1PMT5918CE3/TR7 is a viable option for many low-power projects.

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