1.5SMC9.1C

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TVS (Transient Voltage Suppressor) diodes provide a solution to protect sensitive electronics against damage caused by transient voltage - electrical pulses with very short rise times and amplitude. The 1.5SMC9.1C TVS diode, which belongs to the 1.5SMC Series, is designed to protect systems and components from ESD (electrostatic discharge), EFT (electrical fast transient) or other electrical transients.

The 1.5SMC9.1C is a unidirectional TVS diode with a 9.1 V clamping voltage and 1500 W peak pulse power. It has a bidirectional transient voltage protection capability. The diode is housed in a small, SOD-123 surface-mount package, making it ideal for space-constrained applications. Furthermore, it has a low working temperature coefficient for improved reliability.

This TVS diode is applicable to many areas such as consumer electronics, telecommunications, automotive, and industrial equipment. It is also suitable for protecting data lines providing protection against over-voltage caused by ESD, EFT, lightning strikes, and other voltage transients. In addition, it can be used to suppress high-frequency noise that can reduce signal-to-noise ratios and create system instability.

The working principle of the 1.5SMC9.1C TVS diode is fairly simple. It behaves like any normal diode in normal operation, allowing current to flow in one direction and blocking current when the voltage reaches the diode’s breakover voltage. When a transient voltage spike is applied to the cathode or anode of the diode, however, current is allowed to flow in both directions, clamping the voltage at a predetermined limit. This limits the peak voltage and prevents damage to the circuitry.

The 1.5SMC9.1C diode is a robust and reliable TVS diode, designed to provide superior protection to sensitive electronics. It is highly protective, yet consumes minimal power in operation, making it perfect for use in space-constrained applications and systems exposed to damaging transients.

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