P6KE39ARLG

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TVS (Transient Voltage Suppressors, or Transient Voltage Surge Suppressor) diodes are an important type of surge protection, playing a crucial role in the electrical industry. The P6KE39ARLG is a bidirectional TVS diode used to protect connected electronic components from voltage transients and overvoltages. This device is small and lightweight, allowing for easy integration into any system.

The application area for the P6KE39ARLG includes power lines, communication systems, and automotive electronics, including all DC power and I/O lines. As high-voltage systems can produce destructive voltage transients, the P6KE39ARLG is designed to absorb the energy and clamp the voltage. It also ensures that the output voltage stays within the specified safe limit.

The body of the P6KE39ARLG is a bidirectional silicon avalanche diode, composed of a semiconductor NPN junction, two p/n junctions and two built-in back-to-back Zener diodes. This is designed to withstand up to 600 watts of peak pulse power per line on up to two lines. It also has a high-clamping voltage, an operating junction temperature of 175°C, and an open-circuit voltage (Voc) of 145v.

The performance of the P6KE39ARLG depends on its working principle. This diode acts like a spark plug. When the voltage exceeds a certain threshold, it triggers the avalanche breakdown process, in which the reverse breakdown voltage rises and a large current passes through the junction. The diode quickly absorbs the large surge of current and redistributes it safely to other parts of the circuit. The built-in Zener diodes then help to reduce the output voltage and clamp it at the safe operating level.

The P6KE39ARLG is an excellent choice for surge protection, as it absorbs and diverts incoming transient surges from connected systems. Its high-clamping voltage, robust construction, and reliability in different operating conditions make the P6KE39ARLG ideal for applications in power, communication, and automotive electronics.

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