DL5234B-TP

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Diodes - Zener - Single

The DL5234B-TP is a single zener diode designed for use in a multitude of applications. It is an optimal solution for applications where precision regulation, accurate temperature compensation, and reliable operations are critical. This device is suited as a voltage regulator, as well as for other applications such as digital to analog conversion, OR logic for digital circuits, and circuit protection.

Design and Specification

The DL5234B-TP is a planar glass passivated Zener diode with an enveloped case and a taped P line. It features an epitaxial design for increased efficiency, a low operating current to maintain the high performance of the device in the specified conditions, and a low capacitance that ensures low distortion. The diode is composed of an aluminum cathode and a gold anode. Its nominal breakdown voltage is 5.1V and the maximum power dissipation can reach 200 mW.

Application Field & Working Principle

The DL5234B-TP Zener diode is suitable for many different applications such as voltage regulation, overvoltage protection, ESD protection, and clamping. As a voltage regulator, it stabilizes DC voltages with minimal external components. When the input voltage rises above its breakdown voltage (VZ), the diode starts to conduct and regulate the voltage output, automatically adjusting to the new input voltage

As a voltage protector, the diode functions as a protection circuit and prevents voltage spikes from damaging connected components. The Zener diode also prevents current from flowing in the wrong direction, providing much-needed safety for devices. The ability to detect and filter out overvoltage is essential for such applications as Li-ion battery charging, motor control, and surge protection.

The DL5234B-TP is also commonly used for ESD (electrostatic discharge) protection. These are the most common form of ESD protection, as they will suppress transients while allowing signal integrity to remain high. As a clamping device, the diode works by clamping the input voltage to a certain level, providing a fixed limit. This is ideal in applications that require consistent clamping of input voltage without any time lag.

Parameters & Perfomance

The DL5234B-TP Zener diode has a wide operating temperature range, making it suitable for various applications. The diode’s low operating current of 1.5V ensures low temperature with minimum power dissipation and minimizes self-heating capabilities. The standard maximum capacitance of the diode is 11pF and a minimum of 5pF. The maximum Zener impedance of this device is 0.6 ohms. Finally, the maximum surge power capability of the DL5234B-TP is 500 mW.

Conclusion

The DL5234B-TP Zener diode is ideal for applications that require precision regulation, accurate temperature compensation, and reliable operation. It features a planar design for increased efficiency, a low operating current to maintain high performance in specified conditions, and a low capacitance that ensures low distortion. This Zener diode is suitable as a voltage regulator, overvoltage/clamping device, and ESD protection device.

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