1SMB14AT3

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TVS diodes are installed and used in many electronic devices, and their reliability and durability make them ideal for any circuit application. The 1SMB14AT3 is a transient voltage suppressor (TVS) diode designed to protect circuit components from the damaging effects of over-voltage transients. This article will discuss the application field and working principle of the 1SMB14AT3 TVS diode.

The 1SMB14AT3 TVS diode is a low-power, bidirectional diode that is designed to protect against high-energy transients. It can be used in electronic circuits to prevent damage to components from transient voltages. The diode is able to absorb up to 500W (peak pulse power) from over-voltage events. It is a three-terminal device, with the anode connected to the peak pulse power, the cathode to the ground, and the gate to the circuit power supply. The 1SMB14AT3 is capable of withstanding up to 6000V of transient voltage and is available in SOD-128 (SMD package) and SMA (through-hole) designs and is rated for operation temperatures between -55℃ to 175℃.

The 1SMB14AT3 is most commonly used in automotive and industrial applications. Its applications include the protection of battery systems, automotive circuits, and industrial control systems from over-voltage transients. The 1SMB14AT3 is also used in portable electronic devices such as cell phones and tablets to protect these devices from the high energy transients that are common in these products. It is also often used in computer systems to protect the motherboards and other components from power surges.

The working principle of the 1SMB14AT3 TVS diode is simple. When a transient voltage is applied to the device, the electron current in the semiconductor material of the diode is increased, causing the device to turn on. As the transient voltage begins to drop, the device will turn off and the diode will return to its non-conducting state. This allows the device to absorb and dissipate the excess energy of the transient event, protecting the circuit components from damage.

The 1SMB14AT3 is an ideal choice for any circuit application requiring protection against over-voltage transients. It is a highly versatile device that can be used in a variety of different circuit applications. It is also a relatively small device, with SOD-128 devices measuring just 1.8x1.7mm in size. The 1SMB14AT3 is well-suited for automotive, industrial, and consumer applications, making it an ideal choice for any circuit application.

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