BZX84-B68,215

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Diodes - Zener - Single is an important categorization of electronic components, in which the BZX84-B68,215 is a major product. It is a type of Silicon, axial lead, Voltage regulator diode, manufactured by NXP Semi Conductors. This article will discuss the application field and working principle of the BZX84-B68,215.

Application of BZX84-B68,215

The BZX84-B68,215 is considered a Voltage Regulator Diode, meaning it is best suited for power supply regulation applications. It is a branched, 3-terminal semiconductor device, so it is often used in circuits for electric energy conversion, signal filtering, and electric energy stabilizing. It is mainly used in power supply output or overcurrent protection, and supervisors of semiconductor integrated circuits. It ensures that an electric device receives the right amount of electrical power regardless of the voltage and current flowing into it. Moreover, its wide power dissipation range makes it suitable for high ambient temperatures.

Working Principle of BZX84-B68,215

The BZX84-B68,215 works by controlling the flow of electrons through a semiconductor junction. The junction has two terminals, an anode and a cathode. When a voltage is applied to the anode and the voltage passes through the junction, the current passing through the junction is limited by the resistance of the junction. The current passing through the junction is not completely determined by the applied voltage and the junction resistance, but is also affected by the built-in voltage of the junction, which is called the zener voltage. This zener voltage is dependent on temperature, so the zener diode is designed to have a temperature coefficient of its zener voltage.

The BZX84-B68,215 has an operation temperature range of –55°C to +150°C. The zener voltage is 7.2V and the zener impedance is 6.33Ω. The rated power dissipation is 600 mW and the thermal impedance is 525K/W. The junction capacitance is 2.2pF and the current surge is 500mA.

The most important purpose of the BZX84-B68,215 is to regulate the voltage in power supply output and overcurrent protection. When the voltage of the power supply output exceeds a certain level, the diode will be triggered and will begin to limit the current passing through the junction. This prevents the current from exceeding the desired level and protects the electric equipment from damage. It can also be used to protect semiconductor integrated circuits from overcurrents.

Conclusion

The BZX84-B68,215 is a Voltage Regulator Diode manufactured by NXP Semi Conductors. It is mainly used in power supply output and overcurrent protection, and supervisors of semiconductor integrated circuits. It works by controlling the flow of electrons through a semiconductor junction. Its wide power dissipation range makes it suitable for high ambient temperatures. The zener voltage of the device is 7.2V and its zener impedance is 6.33Ω. Furthermore, its rated power dissipation is 600 mW and the thermal impedance is 525K/W.

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