Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	275mW
Impedance (Max) (Zzt):	30 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 9.1V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323

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CMSZ5242B TR Application Field and Working Principle

CMSZ5242B TR, or also known as a Zener Diode, is a highly efficient and versatile diodes used in many electronic applications. It exerts a special ability to regulate and limit the voltage that it regulates. These diodes are commonly used to protect electronic components, for example in the form of a reverse polarity protection. It can also be used for generating a reference voltage. The CMSZ5242B TR diode is a type of zener diode designed to handle high power operation. It is used as a voltage regulator, providing stability for voltage surges, and protecting against reverse voltage/power surges. It is constructed from a fully-silicon junction, with a built-in Zener-regulator. It is also very robust, and can withstand high power levels. Its basic structure is composed of a single P-N junction semiconductor element that allows the current to flow in forward biased direction. When there is no applied reverse-bias voltage in the diode, it works as conventional diode, allowing the current to flow solely in the forward direction. When the applied reverse-bias voltage reaches the breakdown voltage (Vz), the current begins to flow in the reverse direction, and the applied voltage is clamped at the Vz. This behavior is known as the Zener effect, and this is the phenomenon behind the regulation effect of CMSZ5242B TR.The CMSZ5242B TR is mainly used for low-noise applications, including high-impedance audio amplifiers, and interference-cancelling microphone circuits. It is also suitable for use in high voltage surge protection circuits, providing protection from transient voltages. As it works in both the forward and reverse biases, it can be used to replace a combination of PNP and NPN transistors for a range of applications. In terms of power consumption, the CMSZ5242B TR is particularly efficient. It has a maximum reverse-bias leakage current of 500nA, and will consume a negligible amount of power when in use. Also, the maximum power dissipation of the diode is limited to 4.5W, allowing high power operation.Overall, the CMSZ5242B TR is a highly efficient, low-power, and reliable Zener diode that can be used in noise-sensitive circuits and applications requiring surge protection. It is capable of withstanding temperatures up to 115℃ and its voltage regulation capabilities are excellent. Thus, the CMSZ5242B TR is a great choice for many electronic projects.

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