SA64CAHE3/54 Circuit Protection

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TVSs, or Transient Voltage Suppressors, are components used to protect sensitive electronic devices from damaging voltages. They are typically used in transient surge protection applications. The SA64CAHE3/54 is a three-terminal Transient Voltage Suppressor (TVS) device designed specifically to protect against over-voltage transient surges. It has a guaranteed minimum breakdown voltage of 6.4V, and can absorb more than 100A of pulsed current with a response time of less than 1ns.

Main Characteristics

The SA64CAHE3/54 has a Breakdown Voltage (BV) of 6.4 to 7.5V at 5V VBR, and a Capacitance (C) of 30pF over the specified standoff voltage range. It also has a Low Capacitance (LC) Operation of 4V over the same specified range. Additionally, the device supports up to 20A continuous DC current, and offers a Reverse Standoff Voltage (RV) range from 1.5V to 10V.

TVS-DIODE Application Field

TVS-DIODEs are used in a wide range of industries and applications, particularly in the automotive, industrial, medical, and consumer electronic markets. In the automotive market, TVS-DIODEs are used to protect against EMI and power surges in engine control units, airbags, navigation systems, and other components. Additionally, TVS-DIODEs are used to protect telecommunications equipment in the industrial market, as well as home appliances, such as washing machines and refrigerators, in the consumer electronics market. In the medical field, TVS-DIODEs are used to protect sensitive embedded systems, such as imaging or monitoring equipment, from power surges.

Working Principle

TVS-DIODEs operate by clamping voltages to a safe level that won\'t damage sensitive equipment. During a surge, the device will conduct current across its terminals, creating a low-impedance path between the power supply and the circuitry it is protecting. When the surge is over, the device then stops conducting. The main task of the TVS-DIODE is to provide a fast response time, low capacitance, and high power handling capabilities to effectively protect circuits from power surges.

Conclusion

The SA64CAHE3/54 is a three-terminal TVS-DIODE designed specifically for surge protection applications. It has a guaranteed minimum breakdown voltage of 6.4V, and can absorb more than 100A of pulsed current, with a response time of less than 1ns. The device can handle up to 20A of continuous DC current, and is used in a variety of industries and applications, from automotive and industrial to medical and consumer electronic markets. TVS-DIODEs operate by clamping voltages to a safe level that won\'t damage sensitive equipment, and allows for fast response times, low capacitance, and high power handling capabilities.

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