1N4731A-TAP

1N4731A-TAP Application Field and Working Principle

1N4731A-TAP is a 24 Volt Zener Diode. Zener diodes are a type of semiconductor device which is designed to operate in reverse mode and to conduct current primarily in the reverse direction. In reverse-bias operation, these diodes act as a voltage regulator and protect the circuit from high voltages. Zener diodes are widely used in voltage-stabilizing circuits, voltage-regulation circuits, and voltage-clipping circuits.

1N4731A-TAP is specifically a 25V Zener Diode with a maximum power dissipation of 300 mW. This diode can transfer power from negative to positive, helping avoid damages to the external equipment caused by overvoltage. When connected in reverse-bias mode, 1N4731A-TAP can accurately regulate a voltage of 24V and has a maximum temperature coefficient of -12.0mV/°C.

1N4731A-TAP can be used in a variety of applications and fields. For example, it can be used in power supplies, voltage regulators, and battery-charger circuits. This diode is also available in several packages, allowing it to conform to different PCB footprints, including SOT-23, DO-35, and TO-92.

1N4731A-TAP has a working principle that is similar to the PN junction diode. When a voltage is applied in reverse bias, majority carriers (holes or electrons) are pushed across the PN junction. This causes a large number of electrons to be left behind. The built-up of electrons at the junction is what creates the built-in electric field and results in the breakdown of the diode.

When the reverse voltage exceeds the Zener voltage, an avalanche breakdown occurs and it results in a large current flow, creating a low opposing voltage across the Zener diode. This allows the voltage to remain steady, due to the limitation on the current flowing through the diode, despite any variations in the applied voltage. This is what is known as the Zener effect.

1N4731A-TAP is an excellent choice for applications that require accurate and reliable voltage regulation. The high power handling capability and low temperature coefficient make this diode perfect for voltage regulation circuits in both commercial and industrial settings.