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1SMA4748-GT3TR: Diode - Zener - Single

The 1SMA4748-GT3TR diode is an important component of electronics across numerous industries, including telecommunications, automotive and medical fields. This component is a single, Zener diode type, with an anode and cathode connected by a reverse-biased p-n junction. Used in electronic circuits for voltage regulation, Zener diodes are specifically designed to clamp a voltage at a predetermined level. The 1SMA4748-GT3TR provides regulation and line surge protection in DC systems and power supplies.

Features and Characteristics

This single diode offers a number of beneficial features, including optimized static characteristics and a very low reverse current. It has a high maximum operating temperature of 95 degrees Celsius, and a fail-safe design that provides an inherent level of protection against transient or load surges. To accommodate smaller printed circuit boards, the 1SMA4748-GT3TR is designed with a very low profile size of 1.7mm x 2.6mm. This diode is packaged in a SMA (Surface Mounted Aluminium) package, with a lead-free solder finish.

Application Areas

The 1SMA4748-GT3TR is a great component for a variety of applications. It is recommended for power supplies, signal conditioning, DC-DC converters and voltage stabilizers, among other uses. It provides protection from surges in telephone systems, radio and television broadcast systems, logic circuits and digital circuits. The component is ideal for use in medical equipment such as blood pressure monitors, ECG/EEG monitors, ventilators and MRI machines.

Working Principle

The 1SMA4748-GT3TR operates by utilizing the principle of reverse biasing a P-N junction. In normal operation the diode will only allow current to pass from the anode to the cathode. When the reverse voltage bias exceeds a certain level, called the Zener voltage, the diode will start to conduct current in a reverse direction, allowing current to pass from the cathode to the anode. This clamps the output voltage at a certain level, providing a high degree of accuracy and consistency.

Conclusion

The 1SMA4748-GT3TR is a single diode, Zener type component. Its features include optimized static characteristics, high maximum operating temperature, and a fail-safe design that offers an inherent level of protection against transient or load surges. This component is well suited for use in power supplies, signal conditioning, DC-DC converters, voltage stabilizers and many other applications. It provides protection from surges in telephone systems, radio and television broadcast systems, logic circuits, and digital circuits. By utilizing the principle of reverse bias of a P-N junction, the 1SMA4748-GT3TR provides a reliable and consistent level of voltage regulation.

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