BZX384-C12,115

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Diodes are an essential part of any electrical circuit, and Zener diodes are an important type of diode which can be used to add additional protection to the circuit. A Zener diode is a regular diode with a reverse bias voltage that can break down under particular low voltages and allow current to flow in the opposite direction, across the diode threshold. The BZX384-C12,115 diode is a single Zener diode which can be used in a number of different applications.

The BZX384-C12,115 has an effective Reverse Stand-Off Voltage (RSS) of 12V, and a maximum Reverse Voltage of 15V. It has a breakdown voltage of 3.2V, and should handle a maximum current of 1mA. It also features a high temperature coefficient of 0.04%/K, and a maximum junction capacitance of 4.7pF. The diode is housed in a SOT-23 package, and has a minimum effective breakdown voltage of 11V.

The BZX384-C12,115 is suitable for use in any application requiring over-voltage, reverse voltage, or reverse current protection. Its small size and low leakage current make it suitable for use in small sensitive electronic components, such as integrated circuits and logic gates. It can also be used in amplifier and voltage regulator circuits to prevent over-voltage and over-current damage. In circuits using DC power, the diode provides protection against reverse polarity connections. It can also be used in RS232 and USB applications to protect the circuit from voltage transients.

The working principle of the BZX384-C12,115 is similar to that of other Zener diodes, except that its effective RSS voltage is lower. This is due to the diode having a higher breakdown voltage and a lower temperature coefficient. When the diode is operating in its reverse bias condition, the electric field created provides a flow of electrons from the cathode to the anode. This quantity of electrons is known as the diode’s reverse saturation current. Once the reverse voltage reaches a certain threshold, known as the reverse break-down voltage, the electrons are accelerated and become an avalanche of current. This current is diverted away from the input of the circuit, thus providing an additional level of protection and preventing the circuit from being damaged.

The BZX384-C12,115 is a versatile and reliable single Zener diode with a wide range of applications. Its small size, low cost, and proven performance make it an ideal choice for designers and engineers. Its reverse break-down voltage, temperature coefficient and low noise characteristics make it suitable for use in high-impedance circuits, such as low voltage AC/DC converters and high frequency analog circuits.

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