ICTE-5RL4 Circuit Protection

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The ICTE-5RL4 is a transient voltage suppressor (TVS) diode designed for use in railway applications, offering superior EMI/RFI filtering together with low capacitance. Typical applications of the ICTE-5RL4 include: locomotive/transit cars, signal processing for on-board computers, and power/data distribution systems. The ICTE-5RL4 is composed of two silicon diode chip elements, which are mounted in reverse polarity within an epoxy hermetically sealed package. It has an axial lead connection, making it ideal for PCB wiring.

The ICTE-5RL4 diode utilizes a unique design for robust performance. Its low capacitance helps ensure superior EMI/RFI suppression, while its reverse polarity configuration provides superior transient protection. The ICTE-5RL4 also features an adjustable overload voltage, which allows the user to optimize protection levels for their application. The adjustable overload voltage can range from 16V to 190V, depending on the model.

The ICTE-5RL4 diode works by clamping the voltage spikes that occur in the circuit. Any voltage spike above the set threshold voltage is quickly suppressed by the diode, which activates and clamps the voltage spike. This process helps protect the components in the circuit from over-voltage events. The ICTE-5RL4 diode also helps reduce EMI/RFI interference by creating a impedance barrier to electronic energy.

The ICTE-5RL4 diode is designed to be reliable and long-lasting in railway applications. It is rated for multiply impulses of 16 kV to 20 kV for life cycles up to 500,000 at 25°C. The diode can also operate at a junction temperature of up to 125°C. The relatively low leakage current of the ICTE-5RL4 and its low capacitance help extend the expected life. The diode also has an operating frequency range of up to 2GHz.

In conclusion, the ICTE-5RL4 diode is an ideal choice for transient voltage suppression in railway applications. Its reverse polarity configuration helps provide superior protection against voltage transients, while its low capacitance and adjustable overload voltage make it a versatile option for a variety of applications. The diode’s relatively low leakage current and ability to operate at up to 125°C helps extend its expected life.

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