BZM55C39-TR3

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The BZM55C39-TR3 is a single zener diode from STMicroelectronics. It is part of their BZM55C line of zener diodes, which is a comprehensive selection of single zener diodes from 4 to 200 volts.

The BZM55C39-TR3 is a 39 volt zener diode. It has a nominal maximum current of 500 milliamps (mA). It is packaged in a very small SOT-23 encapsulation, making it ideal for space-constrained consumer electronics applications.

Since the BZM55C39-TR3 is a zener diode, it is primarily used in voltage regulation applications, like in power supplies. Its job is to limit the maximum voltage to a known and predetermined level, regardless of fluctuations in the input voltage. It functions as a rectifier, allowing current to move in one direction, and blocks current from flowing in the opposite direction.

When a load is connected to the zener diode, if the application voltage exceeds the zener voltage, current will flow in a forward direction, allowing current to flow freely in a single direction. If the application voltage is less than the zener voltage, the diode will not allow current to pass in either direction, and will remain in a static, non-conductive state.

The BZM55C39-TR3 also has a wide operating temperature range of -65 to +150 degrees Celsius. This gives it an advantage over many other zener diodes in terms of reliability, as it can operate in extreme temperatures without any issues.

The BZM55C39-TR3 is an excellent choice for applications with strict voltage regulation needs. Its small package size, wide operating temperature range and dependable performance make it an ideal choice for space-constrained or extreme temperature applications.

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