1N4689-TP

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A 1N4689-TP is a type of single Zener Diode. It is a general-purpose, uranium dioxide Zener diode, which is designed for applications requiring tight voltage regulation. It operates with Zener reverse breakdown voltages from 4.3V to 57V. The 1N4689-TP is designed for medium-current and low noise applications, and is often used in continuous regulated source circuits. It is also used in switching regulators, voltage references, low-noise analog-controlled power supplies, and voltage regulator module circuits.

A Zener Diode is a type of diode that does not adhere to the usual standard diode rectification behavior. Instead, it allows for current to flow in the reverse direction when a certain threshold voltage is achieved. This threshold voltage is referred to as the Zener voltage, and is the voltage at which the diode starts to conduct current in the reverse direction. The 1N4689-TP is capable of withstanding the Zener breakdown voltage due to its unique design.

The working principle of the 1N4689-TP is relatively simple. The diode will normally act and behave like an ordinary diode, allowing current to flow in the forward direction, and blocking current flow in the reverse direction. However, when the reverse voltage across the diode exceeds the Zener voltage, the diode will allow current to flow in the reverse direction. This current flowing in the diode is referred to as the Zener current. The amount of current flowing in the diode is limited by the Zener resistance, which is usually quite high.

The 1N4689-TP does not have a polarity, meaning that current can be allowed to flow in either direction across the diode. When current flows through the diode in the forward direction, the diode operates in its normal operating mode and behaves like an ordinary diode. When current flows through the diode in the reverse direction, the Zener voltage will be maintained, allowing current to flow through the diode in the reverse direction. This is useful in applications where a stable, low-voltage DC (direct current) is desired.

The 1N4689-TP is a low-noise device, meaning that it produces very little electromagnetic interference. It has a low forward voltage drop and is capable of handling a maximum pulsed power of 600mW. The device is rated to operate over a wide temperature range, ranging from -65°C to +150°C. It can be used in both signal and power systems, including switching regulators and audio applications.

The 1N4689-TP is an excellent choice for applications that require stable voltage regulation with low noise and low forward voltage drop. It is designed for medium-current applications and is often used in continuous regulated source circuits, switch-mode power supplies, voltage references, and low-noise analog-controlled power supplies. Additionally, it can be used in voltage regulator module circuits, allowing it to be used in a variety of applications.

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