P6KE10A Circuit Protection

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The P6KE10A transient voltage suppressor (TVS) device is an important component in many applications, providing protection against over-voltage transients, static and lightning-induced transients, and electrostatic discharge events for applications such as automotive, industrial, military and medical systems. This article will discuss the application field and working principles of the P6KE10A TVS device.

The P6KE10A TVS is a low-power unidirectional surface mount device designed for safely clamping transients to ground, limiting peak incident voltage and providing current limiting for the system. This device is rated to absorb energy of up to 10 watts in a wide operating temperature range from -65 to + 150 Celsius. It offers very high peak pulse power capability and fast response time. It is also capable of absorbing repetitive transient surges up to 1500W without failure. The P6KE10A is rated at 400W peak pulse power (10/1000 μs waveform) and is AEC-Q101 qualified.

When connected in a circuit, the P6KE10A device acts as a voltage-controlled a switching circuit. The TVS diode has two PN junctions. A negative gate-controlled current source connects to one PN junction. When a positive voltage is applied to the anode of the device, a current flows between the anode and the gate, turning on the diode and allowing a large current to pass through. The amount of current passing though the diode is limited by the voltage rating of the diode. When the gate voltage is turned off, the current stops and the device acts as an open circuit.

The P6KE10A is ideal for applications such as automotive ignition systems, LED lighting, and wireless charging systems, as well as for over-voltage and static protection, transient protection, and electrostatic discharge protection. In automotive applications, the P6KE10A can be used for over-voltage protection during alternator charging, engine start, and braking systems, as well as providing protection against static electricity discharge. It is also suitable for use in electronic devices such as mobile phones, tablets, and computers. The P6KE10A can also be used to protect sensitive components such as ASICs, FPGAs, DSPs, and DC-DC converters. In LED lighting, it can provide robust protection against over-voltage transients caused by long line lengths and power supply noise. In wireless charging systems, it can provide transient protection and minimise EMI.

The P6KE10A TVS device offers an efficient solution for protection against transient over-voltage and electrostatic discharge (ESD) events, preventing voltage or current surges from damaging the connected device or system. It is a reliable, robust, and cost-effective TVS device, designed to protect sensitive components in a wide range of applications.

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