1.5KE47-E3/73

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TVS (Transient Voltage Suppressor) diode is a type of diode used to protect the connected components against transients such as electrostatic discharge. The 1.5KE47-E3/73 is an 400W unidirectional, low capacitance TVS diode specifically designed to protect sensitive components. This diode is available in two different packages - DO-201 (axial) and SOD-323 (SMD).

The main application field of 1.5KE47-E3/73 is computer and communication systems. This diode is mainly used to protect components like data lines, mobile phones, modems, ISDN systems and PC cards from over-voltage incidents, such as electrostatic discharge or switching transients, which could damage sensitive components. The 1.5KE47-E3/73 also provides protection to the sometimes vulnerable analog and digital ports of consumer electronics.

1.5KE47-E3/73 has a low leakage current, a peak pulse power maximum of 400W (10/1000μs) and a clamping voltage of 16.3V. Its low capacitance of 0.2pF makes it highly suitable for protecting high speed data lines against over-voltage transients. One of the main advantages of this TVS diode is its fast response time, which is crucial for effective protection of the connected components. This is especially true for modern high-speed and high-frequency communication systems.

The working principle of 1.5KE47-E3/73 is quite simple. In a normal state, the diode acts as an open circuit. However, when it is exposed to over-voltage transients above the breakdown voltage, it switches to a low-impedance state and clamps the voltage to a safe level. This is done by the avalanche breakdown of the diode, which causes a low-impedance short circuit that effectively stops the over-voltage incident from reaching the connected components.

In conclusion, the 1.5KE47-E3/73 is an invaluable tool for protecting sensitive components from transient over-voltage incidents. The fast response time and low capacitance of this diode makes it highly suitable for the protection of high speed data lines and consumer electronics. Its main application field is computer and communication systems, and it is available in two different packages – DO-201 and SOD-323.

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