ATV04A171J-HF

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Transient voltage suppression diodes (TVSs) have a critical role in protecting vulnerable electronic circuits from potential surges caused by overvoltage. ATMEL’s ATM04A171J-HF Series is a group of TVS Diodes built with a fast response time, capable of suppressing withstanding high frequency noise outputs all the way up to 40GHz. As such, these diodes are well suited for applications that require high speed, accurate data transmission, such as in short wavelength radio frequency communications, digital video signals, and high frequency power circuitry.

The ATM04A171J-HF Series is a single-line bidirectional unidirectional diode with high surge capability. It has a working voltage of 10V, capable of withstanding voltages up to 600W peak in unidirectional mode and 800W peak in bidirectional mode. The peak pulse power dissipation of the diode is 2.5kW in unidirectional mode, and 4kW in bidirectional mode. The working temperature range is -55°C to +150°C, making it suitable for use in both low and high temperature environments.

The ATM04A171J-HF Series utilizes Multi-Layer Varistor technology, allowing it to maintain low capacitance while offering high surge performance. The diode’s metal-oxide-semiconductor (MOS) structure also allows it to maintain low leakage current, making it suitable for low power applications such as in smart consumer products. Moreover, the operation of the diode is fast, making it suitable for applications that require high-speed switching.

The typical application range for the diode include protection circuits from electrostatic discharge (ESD) and surge in signal and control lines, as well as in power supply circuits. It can protect analog and digital circuits from electrical overstress, as well as offer continuous protection against surges and transients caused by electrostatic discharge, induction, lightning, and electrical switching noise. The chip also provides surge suppression along with voltage hold during surge events, allowing for a stable voltage output.

The application of the ATM04A171J-HF Series TVS diode in power supply circuits is ideal for applications that demand low capacitance and high surge performance. Due to its fast-response time, low capacitance, and high surge capability, it is also suitable for systems where high-speed switching is required.

The working principle of the ATM04A171J-HF Series is simple: the diode works to reduce the voltage level of the input signals, preventing them from damaging sensitive connected components. When an input voltage is applied, the diode will conduct in order to reduce the voltage level to a safe value. It will then turn off, allowing a signal to pass through without further modulation. This process ensures that the circuit is protected from surges and transients.

The combination of fast response time, low capacitance, and high surge capability makes the ATM04A171J-HF Series an ideal choice for a variety of applications. It is especially well-suited for use in digital communication systems, and can be widely used in consumer electronics and general electronics protection circuits.

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