SA15A Circuit Protection

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The SA15A is a TVS or transient voltage suppressor diode, designed to protect sensitive electronics against voltage transients and overvoltages. This device is most commonly used in military and commercial applications to protect computers, communications equipment, data and digital components. In addition, the SA15A is used in automotive electronic control systems, avionics, radar systems, and mobile phone base stations.

The SA15A is a 3 pin device designed to protect against electromagnetic interference (EMI), light-induced voltage transients (LIVT), and electrostatic discharge (ESD). It provides low capacitance, higher EMI immunity, and low leakage current to ensure optimal circuit performance. The SA15A also provides voltage clamping and fast response times to protect electronics during overvoltage and transient conditions.

The SA15A is made up of two parts, a clamping element and a high frequency bypass element. The clamping element is designed to dissipate high voltage surges, while the bypass element provides low capacitance and fast response times. The SA15A also has a low leakage current, which means that it can effectively protect sensitive electronics from accidental shorts and other voltage irregularities.

The SA15A has a reverse leakage current of 3 microamperes maximum at 16 volts. This ensures that your device has the minimum amount of current leakage when being used in a reverse voltage situation, preventing the destruction of any connected circuit components. Additionally, the SA15A has a surge current rating of 35 amps for a 10/1000 microsecond waveform, providing excellent protection against voltage transients.

The operating temperature range of the SA15A is -40°C to +125°C, making it suitable for a wide range of applications. The device is also RoHS compliant, and is available in SOT-23 and SOT-223 package sizes. The SA15A is designed to meet MIL-STD-4332, UL1977, and EN60747-14 standards, and is certified to CSA and CB Standards.

In conclusion, the SA15A TVS diode is a highly versatile device, designed to provide excellent protection against high voltage transients and overvoltages. It is suitable for use in a wide range of applications, from military and commercial electronics to automotive electronic control systems and mobile phone base stations. It features a wide operating temperature range, low leakage current, and high surge capability, making it an ideal choice for any application requiring surge protection.

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