SM15T15CAHE3/57T Circuit Protection

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TVS - Diodes are an essential component for protecting sensitive electronic components from voltage spikes. The SM15T15CAHE3/57T is a popular transient voltage suppression diode designed to provide surge protection for both AC and DC circuits. It is available in do-41 and SMA packages and provides superior ESD, EFT, and surge protection. This diode is capable of dissipating up to 15.0kV of power and can handle up to 15A of surge current.

The SM15T15CAHE3/57T is widely used in power supplies, laser protection systems, telecommunications devices, automotive electrical systems, and other equipment which requires protection from voltage spikes. It can be used to provide ESD, EFT, and surge protection for AC/DC motors and transformers, generators, switched-mode power supplies (SMPS), inverter circuits, and clamp circuitry. This diode is also an ideal choice for protecting sensitive electronics from damage due to current surges.

The primary task of the SM15T15CAHE3/57T is to act as a clamp against voltage spikes. The diode is connected in series with the protected circuit, and the diode is designed to become reverse-biased as the input voltage reaches a certain level. This reverse-bias action results in the diode rapidly discharging and clamping the input voltage, helping to protect the sensitive components in the circuit from damage.

The SM15T15CAHE3/57T also provides protection from electromagnetic interference (EMI), which can occur when signals radiate from other electrical devices. The diode has a very low input capacitance, making it an effective EMI blocker. Additionally, the diode features a low forward voltage drop, helping to ensure efficient operation of the protected circuit.

The SM15T15CAHE3/57T is typically used with other components such as TVS diodes, varistors, and transistors. These components are often wired in series along with the diode and are designed to provide additional protection against more powerful voltage spikes and surges. A capacitor can also be placed in parallel with the diode to help reduce radiated EMI and voltage transients.

Overall, the SM15T15CAHE3/57T is a powerful and reliable transient voltage suppression diode designed to protect sensitive equipment from voltage spikes and surges. Its low input capacitance and forward voltage drop makes it an ideal choice for many applications where AC/DC power supplies, motors, and transformers need to be protected. Additionally, its ability to block EMI makes it suitable for use in circuits with high levels of electromagnetic interference.

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