JANTX1N935BUR-1

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Diodes, the most basic and fundamental electronic component, are widely used in the construction of electronic circuits today. In particular, Zener Diodes are three-terminal, unidirectional semiconductor devices designed for their special characteristic of conducting in the reverse direction for a high positive voltage, allowing current to flow in a forward direction for limiting and/or controlling voltage over a wide range of operating conditions. Within the family of Zener Diodes, the JANTX1N935BUR-1 is a single Zener diode suited for a variety of applications.

The JANTX1N935BUR-1 is an ultra-small Zener diode optimized for lower leakage and fast surge current capability, delivered in a SOT-23 (surface-mount) package. It exhibits a zener voltage of 5.6 volts, a zener dynamic impedance of approximately 8 ohms, and a power rating of 150mW. The leakage current is typically 2µA maximum at 25°C, with a 30mA operating current and a 20V reverse voltage. It also features an enhanced back-biasing capability, allowing it to reduce the zener impedance to as low as 5 ohms at 1.0mA.

In terms of applications, the JANTX1N935BUR-1 is ideal for use in a variety of electronic circuits, such as mobile phones, cameras, personal computers, and other small electronic devices. It can be used for voltage regulation in general electronic circuits, over-voltage protection, and in low-voltage battery-powered systems. Its lower leakage and fast surge current capability also makes it suitable for applications involving frequent current changes, such as in communications, audio/video products, power supplies, and motor control systems.

The working principle of the JANTX1N935BUR-1 is straightforward and intuitive. It operates in two major modes: the forward-bias mode, in which current flows from its anode to its cathode; and the reverse-bias mode, in which current is blocked or limited. In the reverse-bias mode, the zener diode allows a certain amount of current, known as the zener or avalanche current, to flow in the reverse direction. This occurs when the voltage across the Zener diode exceeds the zener voltage, Vz. When the zener voltage is reached the resistive effect of the diode suddenly decreases and the current rapidly increases, preventing a further increase in the reverse voltage, which is known as the zener breakdown voltage.

In summary, the JANTX1N935BUR-1 is a single Zener diode designed for a variety of applications, such as voltage regulation, over-voltage protection, and control of current in low-voltage battery-powered systems. Its operation is rooted in the forward- and reverse-bias modes, in which the Zener diode permits a certain amount of current to flow in the reverse direction when the voltage exceeds the zener voltage, thereby preventing an increase in the reverse voltage.

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