CDLL5268B

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Diodes are the most basic semiconductor components. They are two-terminal devices that allow current flow in only one direction and prohibit it in the other. Diodes are used for many purposes such as protection, rectification and signal conditioning. One type of diode, the Zener diode, is particularly well-suited for voltage regulation and voltage clamping applications.

The CDLL5268B is a Zener diode from Diodes Inc. It is part of their single Zener diode product family. It features glass packaging, a 3.9V Zener voltage and a minimum operating temperature of -65C. It is designed for applications where low noise, high reliability and stability are required, such as those in instrumentation, military, computing and communication systems.

The construction of the CDLL5268B is similar to that of other Zener diodes. It consists of a semiconductor junction between a P-type substrate and an N-type layer. An electrical field is applied across the junction so that it behaves like two back-to-back diodes. When an external voltage is less than the breakdown voltage across the junction, the Zener diode conducts current in the forward direction. When the voltage is above the breakdown voltage, the Zener diode begins to conduct in the reverse direction.

The CDLL5268B\'s low Zener voltage and high Zener impedance results in a low noise operation, making it ideal for noise-sensitive applications. The glass package ensures high reliability and hermetic seal. It also provides excellent heat dissipation and thermal cycling capabilities. The device can be used for ESD protection and in voltage regulator circuits for providing a steady current and voltage flow.

The CDLL5268B has a wide operating temperature range, from -65C to 150C. It features a low maximum reverse current leakage of 5nA at VZ=3.9V/25C and a wide dynamic impedance range of 2 to 30 Ohms. The device is also RoHS compliant and UL approved, making it suitable for safety-critical applications.

In conclusion, the CDLL5268B is a single Zener diode from Diodes Inc. that is designed for noise-sensitive applications where low noise, high reliability and stability are needed. Its low Zener voltage and high Zener impedance allow for low noise operation. Its glass package ensures high reliability and hermeticity. Its wide operating temperature range and low maximum leakage make it suitable for safety-critical applications. Overall, the CDLL5268B is an excellent choice for a wide range of applications.

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