SMF43A-E3-08 Circuit Protection

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Transient Voltage Suppression (TVS) Diodes can be used to protect a circuit from over-voltage and transient sources. The SMF43A-E3-08 is a high speed bidirectional TVS diode that features a low capacitance of 8pF and a maximum peak pulse power of 1500W. This diode has an average reverse stand-off voltage of 43V and a typical operating voltagerange of 5V to 200V or 50V to 300V.

In electronic circuits, the SMF43A-E3-08 is primarily used to protect sensitive components from over-voltage surges and pulses. The device can be used in a variety of circuits, such as power supplies, DC-DC converters, automotive electronics, and appliances. Its low capacitance makes it suitable for protecting high frequency electronics, such as data lines and communication lines.

The working principle of the SMF43A-E3-08 is based on an avalanche breakdown principle. It uses a Zener breakdown process to activate a low voltage strobe, allowing the device to quickly clamp and dissipate the surge power. The device will then return to its normal operating condition, and its low capacitance will ensure that the high speed signal is not affected.

The SMF43A-E3-08 has several important features, such as reverse stand-off voltage, peak pulse power, and surge current handling capability. The reverse stand-off voltage is usually specified as the maximum voltage that can be applied to the device without triggering a breakdown. The peak pulse power is the maximum wattage the device can handle during a surge. The device\'s surge current capability is usually expressed as peak pulse current, and is usually limited to a maximum value.

The SMF43A-E3-08 is a versatile device that is capable of protecting circuits from transients, over-voltages, and surging. Its low capacitance and high peak pulse power make it well suited for protecting high-speed electronics, such as data lines and communication lines. This diode is commonly found in power supplies, DC-DC converters, automotive electronics, and appliances. Furthermore, its reverse stand-off voltage, peak pulse power, and surge current capability can be tailored to the specific needs of the application.

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