1N6278A-E3/54

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TVS Diodes (Transient Voltage Suppressors) are a type of unidirectional diode with the ability to absorb high voltage transients, also known as ESD (electrostatic discharge). The 1N6278A-E3/54 is a 7.5kW TVS diode which can absorb 4kW of ESD per single pulse. It has a maximum working voltage of 54V and a peak pulse power of 9.0kW.

The 1N6278A-E3/54 TVS diode is primarily used in low voltage applications such as in automotive, consumer, and communication systems. It is designed to protect sensitive gate circuits, logic controllers, and other low-voltage circuits from ESD-induced surges. It is also used to protect devices from noise generated by switching power supplies.

The 1N6278A-E3/54 consists of a silicon diode junction connected in series with a continuous resistive element known as a PTCR (Polymer Positive Temperature Coefficient Resistor). The PTCR acts as a dampening element which helps to dissipate the transient energy and protect the device from being damaged. The device is designed to handle short-term overvoltages without causing any damage to the circuit.

When a transient happens, the diode will begin to conduct current and the PTCR will become heated, thus dissipating the transient energy through its resistance. The 1N6278A-E3/54 has an optimized design to ensure maximum protection and lowest capacitance in order to reduce noise.

The 1N6278A-E3/54 is an ideal choice for protecting against ESD, overvoltages, and noise. The device is designed to be robust, reliable, and easy to use. It is also RoHS-compliant, which is an important factor for many applications.

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