1N4761ATA

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The 1N4761ATA is a single Zener diode, designed to protect against and regulate electrical surges and spikes. The 1N4761ATA is designed to act as a clamping device, capable of diverting excess current away from sensitive components or circuits in order to prevent damage to those components. It is a cost-effective and efficient form of over-voltage protection, which can be used to regulate voltage levels in circuit boards, computers, telecommunications equipment and industrial electronics.

A Zener diode is a two-terminal semiconductor that operates on the principle of breakdown voltage. When a Zener diode is connected in reverse bias, an electrical breakdown occurs when the voltage level reaches a certain threshold – known as the Zener voltage, or reverse breakdown voltage. During a breakdown, a large current can flow from the anode to the cathode, and the Zener diode is capable of regulating this current, making it useful for preventing electrical over-voltages.

The 1N4761ATA is specifically designed for electronic devices operating on a low-voltage system, typically between 16V and 132V. It has a maximum power dissipation of 500mW, with a maximum reverse leakage of 50µA, a Zener voltage of 44V, and a temperature coefficient of -0.1V/°C. The diode has a forward voltage drop of 1.2V, and an operating junction temperature range of -65°C to +150°C. The diode also features a peak forward surge current of 200A, and a thermal resistance junction/ambient of 18°C/W. The 1N4761ATA comes in a TO-92 package for easy integration.

The practical application of the 1N4761ATA depends on the specifics of the individual circuit in which the diode is used. A common application is power supply protection. When connected to a power supply, the Zener diode acts as a clamping device that diverts any excess or unexpected voltage away from the components in the circuit. This prevents the components from being damaged due to the excess voltage, and helps to regulate the voltage level so that the circuit operates properly.

The 1N4761ATA is also used for telecommunications and industrial electronics, such as in laptop charging circuits, computer motherboards, and industrial power supplies. It is also used in audio and video equipment, medical imaging machines, and other electrical instruments that require voltage regulation.

The 1N4761ATA Zener diode is a cost-effective and reliable way to protect sensitive components from electrical surges, and is ideal for electronics operating in lower voltage applications. Its versatile design and simple integration make it a popular choice for protecting and regulating equipment in a wide range of electronic applications.

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