1.5KE530A

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The 1.5KE530A is a Thermally Protected Transient Voltage Suppressor (TVS), also known as a diode, which is a special type of semiconductor used for protection against over-voltage conditions. Specifically, the 1.5KE530A device is designed to protect sensitive electronics during voltage transients that could otherwise damage the device. The 1.5KE530A is specifically designed for low power loads (<500mW) and is available in an axial-leaded configuration for easy installation.

The 1.5KE530A is designed to provide protection from over-voltage (also known as Transient Voltage Surge Suppression, or TVSS) events and is rated for a peak pulse of 6A (8/20uS). The device is capable of withstanding maximum surge voltages up to 530V. In addition to over-voltage protection, the 1.5KE530A also features thermal protection, which helps protect the device in the event of an extended over-voltage event.

The operating principle of the 1.5KE530A is based on the well-established “avalanche breakdown” phenomenon. This phenomenon occurs when a high voltage pulse or surge causes a current to flow through the device and the voltage across the junction increases rapidly. This rapid voltage increase causes a region of high electric field intensity to be created where the current density, in turn, increases rapidly. This breakdown condition is called Avalanche Breakdown.

Upon detecting the over-voltage condition, the 1.5KE530A turns on and rapidly discharges the voltage and current on the output side of the device. Furthermore, the 1.5KE530A features an extremely low “On” resistance, which helps to limit the voltage present on sensitive components. Additionally, the 1.5KE530A features a unique “Active Line Trap” function which helps to protect the device from destructive “line to ground” transients.

The 1.5KE530A is suitable for a wide range of applications, including protection of telecommunications equipment, consumer electronics, industrial control systems, automotive electronics, and computers. The device is also suitable for use in applications where it is desired to limit the voltage on the input or output side of the device, such as motor controllers, relays, and other circuits where an over-voltage event could cause damage to the components.

In summary, the 1.5KE530A is a highly reliable, highly versatile transient voltage suppression diode that can be used to protect all types of electronic circuits. The device features a low on resistance and a unique active line trap feature that can help protect the device from disruptive line to ground transients. The combination of its low on resistance and active line trap function help to provide a reliable protection from over-voltage events that could otherwise cause device failure.

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