3.0SMCJ11ATR

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TVS (Transient Voltage Suppressor) diodes are components designed to protect electrical systems and components from lightning and other high-voltage events that can cause significant damage. The 3.0SMCJ11ATR is a single-line bidirectional TVS diode designed to protect from transients caused by inductive switching and is designed to meet IEC 61000-4-2 and IEC 61000-4-5 standard testing.

The main characteristics of this diode include reverse-standoff voltage of 5.5V, peak pulse power dissipation of 2800W (10/1000µs), and a surge repeat rate up to 1 pulse per minute. The diode also has an operating temperature range from -55°C to +150°C and a solid-state design with no mechanical parts. It is also RoHS compliant, making it a popular choice for a variety of applications.

Application Field and Working Principle

The 3.0SMCJ11ATR TVS diode is often used in a variety of consumer and industrial applications to protect from electrical transients. Examples of these applications include power supplies, communication systems, process control systems, automotive electronics, and other industrial equipment. The diode is also very effective in protecting personal electronics, such as laptops and phones, from electrical surges and lightning strikes.

The working principle of this type of diode is simple, but extremely effective. When a high-voltage transient passes through a circuit, this diode will “clamp” the voltages, preventing them from reaching sensitive components. This clamping of the voltage is accomplished by the breakdown of the diode’s built-in depletion region. The diode is designed to have a voltage rating that is slightly higher than the voltage of the circuit it is protecting so that it will not be damaged by the transient.

This diode is also designed to have a fast response time, allowing it to provide maximum protection under the most extreme conditions. In the event of an overvoltage, the diode will quickly absorb and dissipate the energy, preventing it from entering the circuit. This type of diode can also clamp down on voltage spikes, effectively suppressing them to a level that is safe for the components.

The 3.0SMCJ11ATR is an excellent choice for applications that require reliable and long-term protection from all types of electrical transients. The diode’s features make it ideal for power supplies, communication systems, process control systems, automotive electronics, and other industrial equipment, as well as consumer electronics.

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