1.5KE47ATR

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TVS (Transient Voltage Suppression) diodes are a type of semiconductor device designed to protect electrical circuits from voltage spikes, commonly generated by electrostatic discharge (ESD) or by electrical over-voltage occurrences. The 1.5KE47ATR is a specific type of TVS diode used in high-speed, low-capacitance, uni-directional devices.

1.5KE47ATR Application Field:

1.5KE47ATR TVS diode is used in a variety of electronic appliances and devices, including computers, mobile phones, USB ports, digital cameras, display equipments and other circuits that are prone to over-voltage events. It is rated for a peak pulse power of 1500W (8/20µs) and a working voltage of 47 volts. The 1.5KE47ATR is made in a surface-mounted SOT-23 package, making it suitable for use in a range of circuit designs for space-saving, miniaturised applications.

1.5KE47ATR Working Principle:

1.5KE47ATR TVS diode works by consuming excessive electrical energy when a surge or spike occurs in the circuit. It serves as a fail-safe device, responding by quickly clamping the voltages down to safe levels to protect the electronic components in the circuit. During normal operation, the diode appears as an open circuit and does not affect the circuit. However, when the voltage has a rapid rise or over-voltage events occur, the diode becomes switched on and presents a low resistance. This is what utilizes the energy dissipated, and protects the system.

1.5KE47ATR is designed for a maximum peak pulse current of 500A (10/1000µs) and can be applied in applications up to 1.5kW. For protection in higher power applications or other variations, other 1.5KE series TVS devices can be used such as 1.5KE6.8A, 1.5KE2.5CA, 1.5KE170CA and 1.5KE400A.

In conclusion, the 1.5KE47ATR TVS diode is a popularly used uni-directional device in many electrical circuits, providing protection against high-voltage surges and ESD events. It is compatible with a range of circuitry, making it an ideal component for many applications.

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