DZ23C4V7-7-F Discrete Semiconductor Products

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The DZ23C4V7-7-F array is an integrated device that includes five Zener diodes with low voltage ratings in a single package. The device is well-suited for a variety of applications, including clamping and protecting circuits from overvoltage and voltage transients. Its low-noise operation, fast response, and high surge capability make the DZ23C4V7-7-F array an ideal choice for overvoltage protection in power supplies, signal lines, and data lines.

The DZ23C4V7-7-F array is designed in compliance with the standard IEC60950. The array offers overvoltage protection in three ways: clamping, absorption and decompression. The device’s low-voltage Zener diodes work to limit the voltage across the protected line, providing reliable protection against overvoltage. The diode array also effectively protects the protected line against high-energy transients, such as those caused by electrostatic discharge (ESD) events.

The working principle of the DZ23C4V7-7-F array is based on the way a standard Zener diode operates. A Zener diode consists of a PN junction with a reversed biased voltage applied to it. When the Zener diode is reverse-biased, it exhibits a breakdown voltage that is referred to as the Zener voltage. When the voltage across the diode exceeds the Zener voltage, the diode will begin to conduct and so the voltage at the diode will equal the Zener voltage.

The DZ23C4V7-7-F array consists of five back-to-back connected Zener diodes, which form a single unit. When a line is connected across this protection device, the combined diodes, or chain configuration, will breakdown at a voltage higher than the sum of the individual Zener diode voltages. This allows the array to offer wide over volt protection, typically up to 45 volts.

The DZ23C4V7-7-F array is designed for unidirectional protection, so the entire chain of Zener diodes is forward biased and traditional biasing techniques can be used to control the voltage level. The device also provides suppression of high-frequency transients as well as high surge current capability. Its low-noise operation and fast response time make it an ideal choice for use in overvoltage protection applications.

The DZ23C4V7-7-F array is a high-efficiency product that is well-suited for a variety of applications, including clamping and protecting circuits from overvoltage and voltage transients. Its low-voltage Zener diodes work to limit the voltage across the protected line, providing reliable protection against overvoltage. The device also offers suppression of high-frequency transients as well as high surge current capability, making it an ideal choice for overvoltage protection in power supplies, signal lines, and data lines.

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