SA14-E3/54

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The SA14-E3/54 is a TVS diode used in a variety of applications. This particular device is a bidirectional Transient Voltage Suppressor diode, designed to protect sensitive transistor–transistor logic (TTL) interfaces from harm due to transient voltage surges. This diode is most commonly used in DC power supplies, relays, printing systems, data lines, and automotive systems.

The SA14-E3/54 is an unidirectional device with an active region on one side of the junction. This active region contains a special material which facilitates the clamping of sudden voltage spikes. When a spike occurs, the device behaves as a low resistance path and the transient voltage is rapidly discharged. This helps in protecting the devices connected behind it from a transient voltage surge.

The SA14-E3/54 has a breakdown voltage of 18V, a peak Pulse Power of 1010W, and a low clamping voltage of 31V. It is capable of handling high peak current pulses up to 100A, making it suitable for a wide range of applications. The TVS diode is rated for operation between -65°C to +175°C and is lead free, making it compliant with RoHS standards.

The SA14-E3/54 is completely reversible and the protective action is not affected by the flow of current direction. The protection is instantaneous and the device does not suffer any permanent damage despite multiple surges. The device is relatively small in size and is often the preferred choice for applications with space constraints.

In conclusion, the SA14-E3/54 is an effective TVS diode for protecting sensitive TTL interfaces from transient voltage surges. It offers a wide operating temperature range and is capable of handling up to 100A peak current pulses. It is a low resistance path, which helps in rapidly discharging sudden voltage spikes and protecting the devices connected behind it from harm.

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