TPC27AHM3/87A

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TVS – Diodes are a type of component used to protect sensitive electronic components from voltage spikes and surges. The TPC27AHM3/87A is a popular TVS – Diode type which provides superior protection from transient voltage of up to 80V from the power supply, as well as reverse ESD pulses up to 40V. The TPC27AHM3/87A offers a high surge current rating of 28A per line/leg and is designed to protect sensitive electronics from voltage spikes caused by lightning, ESD (electro-static discharge), EFT (electro-magnetic frequency) and other transient events.

The TPC27AHM3/87A is typically used in consumer and automotive electronics to protect sensitive components and integrated circuits from overvoltage conditions. This type of diode can be applied in a wide variety of applications, including: computer systems, LED TVs, DVD players, gaming consoles, automotive electronics, mobile phones, solar panels, and other low power circuitry. The diode is also suitable for applications requiring stringent ESD protection such as telecommunications, medical and industrial electronics.

The working principle of the TPC27AHM3/87A is based on a reverse-biased P-N junction structure. When a voltage spike occurs, the reverse-biased structure acts like a switch and creates a high-impedance barrier between the power supply and the circuit, protecting the circuit from the transient voltage. The diode can also suppress unwanted ESD pulses by reducing their amplitude to a safe level which can be tolerated by the components in the circuit.

The TPC27AHM3/87A has a surge capability of up to 28A, a breakdown voltage of 80V, a clamping voltage of 40V, an operating temperature range of -55°C to 125°C, and a low leakage current of less than 1µA. The diode also has high capacitance that helps to absorb transient pulses with high amplitude, and a low clamping voltage that provides protection at high frequency transients. The diode is available in a variety of packages such as SOD-523, SOT-323, SOT-89, SOT-123 and SMA.

In summary, the TPC27AHM3/87A is a popular voltage protection diode suitable for a wide range of applications. The diode can protect sensitive circuits from transient voltage of up to 80V, as well as reverse ESD pulses up to 40V and has a high surge current rating of 28A. The diode also offers a wide operating temperature range, low leakage current and high capacitance, making it one of the most reliable surge protection solutions for consumer and automotive electronics.

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