1N5380/TR8

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1N5380/TR8 is a low-power voltage regulator diode in a glass TO-46 package. It is used for protecting voltage sensitive equipment from overvoltage and transients. Its features include a low forward voltage (VF) of 1.4 V @ 80 mA, a low total reverse recovery charge (Qtr) of 1 pC, and high voltage operation up to 400 V.

The 1N5380/TR8 has a breakdown voltage (VR) of 7.5 V and a working current (IR) of 4 mA. It is classified as a small signal diode and is often used to protect surge sensitive power supplies and to provide overvoltage protection in a wide variety of applications. It can also be used in voltage clamping circuits, current limiter circuits and voltage regulators.

The width of the PN junction and reverse bias voltage determine the zener breakdown point. In zener diode operation, when a fixed voltage and a maximum current are applied, a diode can withstand much higher voltages. This capability of withstanding high voltages makes it ideal for use as an overvoltage protection device.

The working principle of the 1N5380/TR8 is to provide a reverse voltage clamping capability to any type of circuits it is used in. When the input voltage exceeds the specified breakdown voltage, the diode begins to conduct and reduce the voltage to the desired level. This is known as "voltage clamping".

The 1N5380/TR8 is used in a variety of applications such as computer motherboards, laptop power supplies, telecommunication equipment, automotive electronics and industrial electronics. It is also used in voltage sensitive circuit protection, voltage transient protection, overvoltage and ESD protection, and surge protection.

In summary, the 1N5380/TR8 is an efficient,reliable, low-power zener diode suitable for a wide range of applications. It is used for providing a reverse voltage clamping capability and for protecting voltage sensitive circuits and equipment from overvoltage and transient voltage spikes. Its high voltage operation and low forward voltage make it the perfect choice for many applications.

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