SA78A-E3/54

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The SA78A-E3/54 is a member of the TVS – Diodes (Transient Voltage Suppressor) family. A TVS diode is an ELECTRONIC DEVICE, which is designed to protect against overvoltage transients. It can limit the duration and magnitude of voltage and current surges that otherwise could damage sensitive equipment. This SA78A-E3/54 is specifically developed to protect against damaging over-voltage transients caused by lightning and other high-power sources. It is suitable for high-power applications in industrial and telecommunications equipment, as well as computers, peripherals, automotive systems, and more.

The SA78A-E3/54 consists of two parts: a diode and a Zener diode. The diode rapidly clamps transients when they exceed its breakdown voltage while the Zener diode biasing element works to maintain the diode’s performance up to the specified clamping voltage. In other words, when the SA78A-E3/54 is exposed to a high-energy event, it limits the voltage going to the device it is protecting by clamping the voltage to its breakdown voltage. Once the excess voltage has been clamped, the stored energy can dissipate while the device gradually returns to its normal operating voltage.

In addition to protection from overvoltage transients, the SA78A-E3/54 also offers additional features that make it a great choice for many applications. It has an operating temperature range of -50°C to +150°C, a maximum clamping voltage of +54V, and a peak pulse power rating of 600 Watts (10/1000 us). This ensures that the device can handle high-energy transients while maintaining reliable performance in a variety of applications such as high-power motor controllers, solar power arrays, and transient protection circuits.

The SA78A-E3/54 can be used in both commercial and industrial applications such as telecom, data processing, automotive, audio-video systems, consumer appliances, industrial automation, and switching power supplies. It can be used to protect equipment from voltage surges caused by lightning and other high-power sources, as well as from overvoltage conditions due to faults on input power lines.

The SA78A-E3/54 is an excellent choice for protecting sensitive electronic components from destructive overvoltage conditions. It offers protection from damaging transients without sacrificing performance due to its low values of leakage current and resistance. This ensures that the device is reliable, efficient, and able to withstand long-term operation.

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