CMSZ5240B TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	10V
Tolerance:	±5%
Power - Max:	275mW
Impedance (Max) (Zzt):	17 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 8V
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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Introduction

The CMSZ5240B TR (Short of Ceramic Metal Silicon Zener diode), usually has the following features: wide operating temperature range -55℃ to 175℃; Low reverse leakage of <1 µA at VZ ( Zener voltage ), and power rating from 1/2W to 5W. It is widely used in various industries including automotive electronics, communications, consumer electronics, aerospace and power management applications.

Application Field

The CMSZ5240B TR offers a wide selection of Zener voltages from 1.0V to 47.0V and is frequently used in various applications such as voltage regulation, over voltage protection and other applications. The widely used application of the CMSZ5240B TR may include the following scenarios: * Voltage regulation. The CMSZ5240B TR works well as a voltage regulator, either in series with a load and a resistor, or electron-magnetically coupled with a resistor and a large DC voltage. It can be used to reduce, regulate and even stabilize the voltage with a wide range of working voltage. * Over voltage protection. The CMSZ5240B TR can be used to protect sensitive components from over-voltage conditions, ensuring that they do not overheat when exposed to excessive voltage. It will absorb any voltage that is over the specified voltage level and dissipate it, enforcing the current-limiting procedure. * other applications. Apart from the above mentioned applications, the CMSZ5240B TR is also used in many other electronic circuits, including voltage level shifting and power supply voltage stabilization.

Working Principle

The CMSZ5240B TR employs the principle of avalanche breakdown, which is a phenomenon in which the channel breaks down under high reverse biased voltage and generates carriers inside the channel. The Zener depletion layer provides the control over the breakdown, making it beneficial for applications like voltage regulation.When the reverse biased voltage across the diode is greater than the Zener voltage, the electrons and holes are accelerated in the depletion layer and gain enough energy to induce an avalanche breakdown. This breakdown process creates a very low internal resistance and a drop in the reverse biased voltage. This action is known as a Zener breakdown and can be used for voltage regulation.

Conclusion

In conclusion, the CMSZ5240B TR is designed and manufactured to meet various demands in the various application fields. It features wide operating temperature range, low reverse leakage and power rating of 1/2W to 5W. The CMSZ5240B TR is mainly used for voltage regulation, over voltage protection as well as other application purposes. The working principle of the CMSZ5240B TR is based on the principle of avalanche breakdown, when the reverse biased voltage across the diode is greater than the Zener voltage, avalanche breakdown will occur and cause the voltage to drop to the Zener voltage. The CMSZ5240B TR offers a reliable and stable performance.

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