SMAJ550-M3/61 Circuit Protection

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The SMAJ550-M3/61, a TVS (transient voltage suppression) diode, is a specialized diode designed to protect systems from overvoltage and induced voltage transients. It processes very fast, allowing for the protection of electronic devices against voltage spikes and inductive load switching events. SMAJ550-M3/61 is a bi-directional unidirectional diode, which provides protection in both directions.

The SMAJ550-M3/61 is commonly used for the protection of telecommunication systems, computer systems, microwaves, and other electronic devices exposed to overvoltage and inductive-load switching transients. It is available in SMD (surface-mount device) form, which makes installation easy in most modern electronic systems.

The SMAJ550-M3/61 has a dual working principle. When normal voltage is applied, it behaves like a regular diode, allowing current to flow in one direction only. When voltage or current exceeds its peak pulse or clamping voltage, it switches over to the Zener diode\'s function, clamping and suppressing voltage transients.

The SMAJ550-M3/61 provides a peak pulse power rating of 400W (10/1000µs) and a breakdown voltage of 61V. Its non-linear response time is less than 5ns and its junction temperature range is -55°C to +125°C. It is also a suitable choice for direct VBR (voltage breakdown rating) replacement applications.

In order to ensure efficient protection, the SMAJ550-M3/61 must be installed correctly; this involves determining the best location for installation, and the right number of devices to be installed. In addition, the SMAJ550-M3/61 should be connected in parallel with other components in the power line — this is known as “transient suppression” and is necessary to clamp and suppress overvoltage and inductive-load switching transients.

The SMAJ550-M3/61 can be used in a variety of applications which include power supplies, switching regulators, data lines, high voltage panels, automotive systems, and motor control systems. It is a cost-effective solution for transient voltage suppression, and provides reliable protection for sensitive equipment.

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