BZM55C5V6-TR3

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The BZM55C5V6TR3 is a single Zener diode specifically designed for use as a voltage regulator or as a shunt regulator. The diode is most often used in regulating voltage in linear power supplies, filling the important job of preventing ripple from the power supply from entering the low voltage circuit. It is an ideal diode for stabilizing voltage in power supplies, available in both a leaded and surface mount version.

The BZM55C5V6-TR3 is a Zener Diode designed for general purpose applications. The diode is a 3 pin SMD packaged, P-type silicon planar device with a reverse breakdown voltage (Bz Volts) of 5.6V. The diode provides reliable and cost-effective protection against transients and electromagnetic interference. The diode has a maximum forward voltage (V F ) of 5V and a maximum leakage current (I F ) of 20mA. The diode has a very low profile and can be used in applications where space is tight.

The working principle of a Zener diode is that it is composed of a semiconductor device, like a diode, but with a reverse breakdown voltage established by doping the device with an impurity that causes the depletion region to become wider in the reverse direction, allowing current to flow when a certain voltage is exceeded. This breakdown voltage is generally much lower than an ordinary diode’s, but because of the avalanche effect the current can become much larger than that in a conventional diode. The peak reverse breakdown voltage, also called the Zener Voltage, is usually provided in a data sheet. The diode, when connected reversely in a voltage source, will breakdown and start to conduct current when the voltage from the voltage source meets the breakdown voltage of the diode.

The BZM55C5V6-TR3 Zener Diode application field mainly covers stabilizing voltage in power supplies. When the voltage from the voltage source fluctuates and exceeds the breakdown voltage, the extra current will pass through the Zener Diode, thus maintaining the output voltage relatively constant. The Zener Diode can also be used as an alternate bipolar junction transistor (BJT), as diodes, and any other circuit where low constant voltage is needed. An ideal use of the diode is to protect power supply circuits from transients in the power system, to suppress the voltage transfer rate, to act as a voltage-limiting device, or to regulate voltage in automotive electrical systems.

In summary, the BZM55C5V6-TR3 single Zener Diode is an ideal device for stabilizing voltage in power supplies, protection against transients and electromagnetic interference, as an alternate BJT, and any other application that requires a low constant voltage. The diode has a very low profile and is available in both a leaded and surface mount version, making the diode the perfect choice for applications with tight space.

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