CMR3-04 TR13

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Introduction

CMR3-04 TR13 is a single rectifier diode in DO-41 package. It is a three-terminal semiconductor device made of silicon. It is used for the rectification of medium-power signals, such as switching power supplies, power converters, medical and industrial applications. It has maximum ratings of 200V, 4 Amp and operating junction temperature of 150°C.

Application Field

CMR3-04 TR13 single rectifier diodes can be used to protect power supplies and other electrical equipment from excessive current. They are largely used in medium-power applications such as power converters and medical applications. In power converters, the diodes are used to provide protection against over-voltage and over-current conditions. In medical applications, they can be used for power supply protection in sterilizers, patient monitors, infusion pumps, and many other medical equipment. Furthermore, it is also used in other industrial applications like inverter circuits, switching regulators, and motor drives.

Working Principle

The CMR3-04 TR13 single rectifier diode consists of a p-type semiconductor and an n-type semiconductor junction. When a forward bias is applied to the diode, electrons and holes of opposite types in both semiconductor regions are attracted to each other and form a junction. This results in a lower resistance to current in the forward direction. A reversed bias, on the other hand, causes electrons and holes of the same type to be pushed away from each other, thus resulting in high resistance and very low current.

The forward voltage drop of a rectifier diode is usually in the order of 0.6–0.7V and is not dependent on the current flowing through it. This is known as the voltage drop of the diode and helps determine the forward resistance of the diode. The reverse leakage current is an important parameter of a diode and it dictates how much current will flow in the reverse direction, when the diode is reversed biased. CMR3-04 TR13 single diodes have a low reverse leakage current, which helps in providing efficient protection against over-voltage and over-current conditions.

Conclusion

CMR3-04 TR13 single rectifier diodes are widely used in medium-power applications including power converters, medical applications and other industrial applications. They provide protection against over-voltage and over-current conditions. The forward voltage drop of the diode is independent of the forward current and the low reverse leakage current helps in providing efficient protection. Thus, CMR3-04 TR13 single rectifier diode can be said to be an important device in various applications.

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