1.5KE56CA-E3/73

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TVS - Diodes are high speed, transient voltage suppressors which are available in a range of sizes and specifications to suit various applications and provide superior electrostatic discharge (ESD) and lightning protection. One example is the 1.5KE56CA-E3/73, which is designed to protect data lines from transient overvoltage.

The 1.5KE56CA-E3/73 is a surface mount, electrostatically protected diode, featuring low reverse leakage current and a low capacitance design. It offers protection up to +55V against electrostatic discharge (ESD) and high-voltage transients. Its low capacitance (C_d) also helps to protect the data lines against crosstalk. The diode has two pins, anode and cathode, and is rated for a surge capability of 20,000W (t_{p = 8/20μs, Ipp= 10A).}

The 1.5KE56CA-E3/73 is ideal for applications with limited space and/or high speed data lines. It is also recommended for use in telecom, networking, and automotive applications, as well as applications requiring particularly high reliability. Its features make it suitable for protecting signal lines from unwanted transients caused by ESD, electro-magnetic interference (EMI), and other environmental hazards.

The working principle of the 1.5KE56CA-E3/73 is quite simple. When a transient voltage is applied to the anode of the diode, the increased voltage causes the diode to enter a high conduction state. This causes the current to be diverted away from the signal lines, thus protecting the data from the transient voltage. The voltage across the diode is typically limited to less than 5V, as the diode will have a maximum clamping voltage.

The 1.5KE56CA-E3/73 can also be used in conjunction with additional TVS diodes to provide additional protection. For example, to protect against ESD pulses with higher peak current, another TVS diode may be connected in parallel with the 1.5KE56CA-E3/73. The added diode will increase the total clamping voltage of the protection circuit, thus providing greater protection against higher voltage transients.

The 1.5KE56CA-E3/73 is a robust, reliable solution for transient voltage protection in various applications. Its low capacitance ensures a clear signal transmission even in the presence of high peak currents. The diode is available in several surface mount packages and can be employed in a variety of data line and telecom circuit applications for superior transient voltage protection.

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