1.5SMC24A

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A transient-voltage-suppression (TVS) diode, also known as a clamp diode, is an electronic component that is used to protect circuits from high-voltage surges. The 1.5SMC24A diode is a unidirectional TVS diode, which means that it can only take one direction of current. The 1.5SMC24A is mainly used to protect circuits from electrical transients such as power line spikes, lightning strikes, and electrostatic discharge (ESD).

Application Field

The 1.5SMC24A is used mainly for protecting computer peripheral devices from a voltage surge. This includes USB, Firewire, serial, parallel, or telephone lines. The diode can also be used to protect other types of sensitive electronic equipment, such as medical devices, automotive systems, industrial control systems, and power supplies. The 1.5SMC24A can be used anywhere where electrical transients need to be suppressed.

Working Principle

The 1.5SMC24A works by creating a low impedance path for the surge current to flow through, thus preventing it from damaging the protected circuit. The diode has two regions, P-type and N-type. When the transient appears, it causes a voltage to be applied to the junction of the two regions and causes the current to start flowing over the channel. In order to limit the voltage, the 1.5SMC24A diode also has a breakdown voltage (VBR) of 19.7V. Once the voltage reaches the breakdown voltage, the current starts to flow across the diode in the reverse direction and eventually limit the voltage to a safe level.

The 1.5SMC24A can also dissipate heat, so the surge current can be safely transferred to the ground without damaging the circuit. The diode also has an integrated thermal shutdown function, which can further protect the circuit from thermal damage, by limiting the current flow when the temperature increases beyond a certain point.

The 1.5SMC24A is an effective way to protect circuits from overvoltage transients. Its low profile design makes it suitable for use in any kind of application where space is an issue. The diode is also easy to install and is designed for long-term reliability.

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