SM15T27CAHE3/57T

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TVS - Diodes are a type of semiconductor optoelectronic devices used to protect sensitive electronic components such as integrated circuits and telecommunication systems from transient voltage events. The SM15T27CAHE3/57T is a transient voltage protection device designed to meet the requirements of telecommunications, computers, and automotive applications. This device can provide protection against both ESD (electrostatic discharge) and EFT (electrical fast transients).

Application Field

SM15T27CAHE3/57T is mainly used in the automotive industry, telecommunication systems, computer systems, and consumer electronics. It is also used to protect against ESD, EFT, and surge voltages. In addition, this device is used for power line protection applications as it is less susceptible to false triggering due to its low shunt capacitance design. This device is capable of handling high-voltage transient events up to 400VRMS.

Working Principle

The working principle of the SM15T27CAHE3/57T is based on the PN junction diode. This device is designed to protect against high-performance transient voltage transients and surges. When a voltage larger than the device\'s breakdown voltage is applied, the PN junction forms a low impedance conducting path, thus allowing the current to flow and the device to act as a clamp. This action clamps the voltage to the breakdown voltage in order to protect the sensitive components from electrostatic or transient voltage events. It also has a secondary breakdown voltage that will protect the device from further voltage transients.

The SM15T27CAHE3/57T has a low shunt capacitance, which allows it to react quickly to transient voltage events. This device is also designed to withstand multiple transient current pulses with no damage. Its peak pulse current is 3.5A with a peak pulse power of approximately 57 watts. It can be used for power line protection applications thanks to its low shunt capacitance, low peak clamping voltage, and fast response time.

The SM15T27CAHE3/57T is a reliable and cost-effective device and is suitable for all types of electronic systems, providing long-term protection against electrostatic discharge and Electrical Fast Transients (EFT). Its fast response time and low shunt capacitance make it an ideal choice for transient voltage protection applications in the automotive, telecommunications, and consumer electronics industries.

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