P4KE10AHR1G Circuit Protection

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The P4KE10AHR1G is a transient voltage suppressor diode commonly used in a variety of industrial applications. The device is designed to provide protection for circuitry against input voltage transients, spikes, and other voltage fluctuations. It is a bi-directional, high-voltage diode available in a molded SOD-123 package. The diode operates over a wide temperature range of -55°C to 150°C. Its maximum rated forward current is 10A, and the maximum non-repetitive-surge reverse current (IFSM) is 100A. The device features a low noise, low leakage, and high current rating, making it ideal for a variety of applications.

The P4KE10AHR1G is well-suited for applications such as power management systems in automotive and industrial control systems, consumer electronics, communications networks, and other surge protection requirements. It can be used as a heavy-duty spike suppressor, as it has a high load surge capability of up to 100A. It also has a peak pulse power rating of 5 kW and a clamping voltage of 32V. The device is RoHS compliant and features a surge clamping mechanism, which is designed to prevent clamps from triggering false alarms.

The working principle of the P4KE10AHR1G can be subdivided into two parts – a reverse biased avalanche diode and a reverse biased blocking diode. The avalanche diode, made of a PN junction, is used to protect against transient voltages. The blocking diode, which is a semiconductor layer, is used to protect against static voltages. The avalanche diode is normally reverse biased to ensure that it conducts only when a transient voltage is present. During normal operation, the Blocking diode is forward biased, allowing it to block any static voltage. When a transient voltage is present, the avalanche diode is triggered and it becomes forward biased, allowing the static voltage to be blocked. This mechanism protects the circuitry from damage caused by surges or transients.

In summary, the P4KE10AHR1G is a transient voltage suppressor suitable for a variety of industrial applications. It has a low noise, low leakage and high current rating, making it ideal for surge protection requirements. It features a surge clamping mechanism which is designed to prevent false alarms. The device has a high load surge capability of up to 100A and a peak pulse power rating of 5 kW. It has a clamping voltage of 32V and operates over a wide temperature range. The device is RoHS compliant and has a reverse biased avalanche diode and a reverse biased blocking diode, which work together to protect against transient and static voltages.

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