BZX84C3V6S-7 Discrete Semiconductor Products

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BZX84C3V6S-7 Application Field and Working Principle

The BZX84C3V6S-7 is a series of Zener diode arrays designed for use in voltage regulation or for signal overvoltage protection. These devices are manufactured with several different Zener voltages and can be used in many different applications, such as voltage limiting, ESD protection, voltage regulation, and surge protection. This Zener diode array series is composed of three different thermal die sizes and five different Vishay semiconductor technologies.

Device Construction

The BZX84C3V6S-7 series is composed of various sizes of thermal die, each of which is composed of either N-type silicon, PN junction diode, P-type silicon, or II type Si junction diode. The Zener diodes are connected in series and have an outer frame which is composed of either P- or N-type silicon, depending on the device. The thermal die can have either a common anode or a common cathode, and the anode or cathode pins are typically connected with a jumper connections to the device. The thermal die can also have a common ground connection when needed.

Application Field

The BZX84C3V6S-7 series of Zener diode arrays has several applications, such as voltage limiting, ESD protection, voltage regulation, and surge protection. In voltage limiting applications, these devices are used to limit the voltage supply for the circuit to a predetermined level, eliminating the possibility of overvoltage events. This is especially useful in circuits that require precise voltages, such as those in medical or automotive electronics. In ESD protection applications, these devices suppress electro-static discharge, helping to protect sensitive components from voltage transients.

In voltage regulation applications, the BZX84C3V6S-7 series of Zener diode arrays is used to regulate the voltage for a specific circuit. This helps to minimize voltage drops or spikes, allowing for precise and consistent operation. In surge protection applications, these devices protect sensitive electronic components from voltage surges or transients.

Working Principle

The BZX84C3V6S-7 series of Zener diode arrays utilizes the Zener effect. The Zener effect occurs when electrons in the diode tunnel through the energy barrier created by the junction. This tunneling creates a zener voltage, which is essentially a negative voltage bias applied to the diode. As a result, the voltage across the diode is clamped to a specific level, and the current passing through the diode is limited to a certain level. The Zener voltage can be adjusted by varying the temperature or increasing the applied current.

In operation, the Zener diode array is connected to the circuit such that it is reverse biased. When the supply voltage rises above the Zener voltage, the Zener diode starts to conduct. As a result, the voltage is clamped to the Zener voltage, and the current passing through the diode is limited. Since the Zener voltage is adjustable, it can be used to regulate the voltage to specific levels.

Conclusion

The BZX84C3V6S-7 series of Zener diode arrays is a versatile device with many uses. It can be used for voltage limiting, ESD protection, voltage regulation, and surge protection. This Zener diode array series is composed of three different thermal die sizes and five different Vishay semiconductor technologies. The operation of the device is based on the Zener effect, which helps to limit the voltage and current passed through the diode.

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