1PMT5945A/TR13

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Diodes are commonly used in electronics to control the flow of electric current in a circuit. Zener diodes are a type of diode with a voltage-sensitive feature. This feature allows it to act as a voltage regulator, as well as a reverse bias protection device. The 1PMT5945A/TR13 is one example of a Zener diode.

Design and Features

The 1PMT5945A/TR13 is a silicon planar power Zener diode. It has a single zener voltage of 5.9V with a tolerance of 5%. It has an operating junction temperature ranging from -65°C to +200°C. The Zener diode has a power dissipation of 500mW, a forward voltage drop of 1.2V at 200mA. It has a maximum operating temperature of +175°C and a storage temperature range of -65°C to +175°C.

Applications

The 1PMT5945A/TR13 Zener diode has a wide range of applications in electronics. It is often used as an adjustable voltage regulator, as it can maintain a constant output voltage within a given range. It is also used in the protection of reverse biasing, as it can limit the current flow in one direction, protecting other components in the circuit. Finally, it is used in oscillators and ripple filters, as they rely on the voltage regulation provided by Zener diodes.

Working Principle

When a Zener diode is connected in a circuit and a voltage is applied, electrons flowing from the positive load terminal to the negative will encounter a barrier created by the Zener diode. If the applied voltage is higher than the Zener breakdown voltage, the diode will conduct, allowing current to flow through the diode. If the voltage exceeds the breakdown voltage, the current will continue to flow without further increase in voltage.

The role of the Zener diode is to regulate the voltage so that the output voltage is kept at a steady level, within a given range. This is accomplished by dissipating the excess current and absorbing it into the Zener junction. This is called the Zener effect and is utilized in voltage regulation.

Conclusion

The 1PMT5945A/TR13 Zener diode is a single, silicon planar power Zener diode with a single zener voltage of 5.9V and a tolerance of 5%. It has a wide range of applications in electronics and can be used as an adjustable voltage regulator, reverse biasing protection and oscillators and ripple filters. The diode is capable of regulating voltages so that the output voltage stays within a given range and it does so by dissipating the excess current and absorbing it into the Zener junction via the Zener effect.

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