AQ4024-01FTG-C Circuit Protection

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Transient Voltage Suppression (TVS) diodes, also referred to as avalanche diodes and surge suppressor diodes, are designed to protect sensitive electronic components from excessive voltage transients that may occur either from external sources or as a result of load switching. The AQ4024-01FTG-C is a unidirectional, fast-switching TVS Diode specifically designed for use in automotive applications. It is used for Protection Of Battery-Transfer Inputs, Interconnection Of Systems In Automotive Applications, Bulk Load TransferAnd Supplementary Power Source Protection, as well as for High Input Impedance Such As MPPT Inputs.

The AQ4024-01FTG-C is designed to protect against Transients up to 24 VDC with a maximum stand-off voltage of 18 VDC. With a maximum leakage current of 0.2 μA and an excellent clamping capability of 14 V, this device is ideal for a wide range of application scenarios. The product offers low capacitance (0.15 pF typical), low on-state resistance, and an operating temperature range of -55°C to +150°C, making it a great choice for automotive protection applications.

The AQ4024-01FTG-C also features an ideal 3-legged design which allows for easy implementation into circuit boards and a robust construction that ensures long-term reliability. The RoHS compliant device utilizes a high-temperature junction material and an ultra-robust mechanical construction for long-term reliability. The integrated high voltage protection components also reduce the risk of catastrophic damage to sensitive electronic components.

The working principle of the AQ4024-01FTG-C is to provide a protective barrier to sudden voltage transients. The device can protect the load, circuit, and data cables from over voltages caused by electrical transients. In normal operation, a very low leakage current passes through the diode, but if a transient voltage spike occurs, the diode quickly turns on and conducts the voltage away from the protected circuitry, thus providing protection.

When the transient voltage spike reaches a certain threshold, the diode will conduct and start to dissipate the energy, limiting the peak voltage at the protected circuit. When the voltage falls back below the threshold, the diode turns off and the device returns to its idle state. The device will continue to protect against voltage transients until it is reset manually or reset automatically by the recovery of voltage level.

Overall, the AQ4024-01FTG-C is a robust and reliable TVS Diode designed specifically for use in automotive applications. Its features make it an ideal solution for protecting sensitive components from excessive voltage transients while maintaining a low capacitance and a high surge current capability. The device is also RoHS compliant and offers a wide operating temperature range, making it suitable for a variety of automotive protection applications.

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