TV30C121J-G Circuit Protection

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A TV30C121J-G is a high-performance diode from Alpha and Omega Semiconductor which is used as voltage protection. It is categorized under TVS – Diodes. TVS stands for Transient Voltage Suppressors. These are diodes which have been designed to protect a device from excessive voltage. This type of diode is designed to clamp the voltage to acceptable levels when a surge or spike occurs, thus preventing damage to the device or system. It is widely used in computer systems, communication systems, power systems, and other electronic components.

The TV30C121J-G has a low breakdown voltage with a high flexibility and reliability. It is rated at 30V and a peak power of 415 Watts for an 8/20 μs pulse. It has a dynamic resistance of 5Ω and an rated current of 10A. It has an operating temperature range of -55°C to 150°C and a maximum clamping voltage of 81V.

The TV30C121J-G operates on the principle of avalanche breakdown. When a voltage higher than the rated breakdown voltage is applied to the semiconductor junction, electrons of comparable energy as the applied voltage will travel across the junction and, due to collisions, the electrons will gain even more energy. The increase in energy is exponential, resulting in a rapid increase in the number of electrons and a current flow through the diode. This process is known as the avalanche effect.

The TV30C121J-G is used in many applications, such as over-voltage protection of sensitive components in automotive applications, industrial applications, telecommunications, computing, and DC/DC converters. It also has applications in portable electronic device protection, power supplies, data receivers and transmitters, and voltage regulator protection.

The TV30C121J-G is an ideal protection device for electronic equipment that is prone to voltage transients. It can effectively clamp voltage spikes up to 81V within 8/20 µs pulse. It is durable and reliable, and can withstand temperatures ranging from -55°C to 150°C. The TV30C121J-G provides reliable, cost-effective protection against voltage transients.

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