SA58-E3/73

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The SA58-E3/73 is a TVS-diode designed to protect electronic devices from transient voltage surges. It is a unidirectional device, with a breakdown voltage of 8.3V, an operating voltage of 5.5V, and a multiple of 10V working range. The device is designed to conduct in reverse direction with very low leakage (<200nA). The device has a low capacitance of 2.2pF, enabling fast response to voltage transients.

The SA58-E3/73 is typically used to protect an array of switching voltage inputs, commonly those acting as drivers for field-effect transistors (FETs). Its fast response time and low capacitance capabilities can help minimize glitches caused by voltage transients. This is especially problematic in high frequency circuits, which require protection from fast voltage spikes above and below normal operating voltages.

The power dissipation of the device is kept low by its resistive/capacitive characteristics. This prevents the device from exceeding its rated power level when subjected to large voltage transients. The device also has an extended working range, allowing it to withstand a repeated sequence of voltage spikes without damage or performance degradation.

Although the SA58-E3/73 is a unidirectional device, it also has bi-directional capability in a single package - making it appropriate for both AC and DC applications. This means that the device can be used as a standalone protection element in both AC and DC environments, with the protection elements being placed on each line. In addition, multiple units can be connected in parallel for added survivability.

The device also has low thermal resistance, enabling it to remain relatively cool even under heavy transient voltage pulses. This helps to reduce heat buildup in a circuit, as well as increase reliability. It also helps to minimize the need for additional heat dissipation components.

The SA58-E3/73 is a very versatile and reliable TVS-diode designed for protecting circuits from voltage transients. Its fast response time and low capacitance make it ideal for high frequency circuits, while its bi-directional capability and extended working range make it suitable for use in AC and DC environments. The device also has low thermal resistance and is able to dissipate sufficient heat to prevent thermal damage during transients.

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