SMB8J14CA-E3/5B

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TVS or Transient Voltage Suppressors are well known for their protection against high voltage, surge and power interruptions. The SMB8J14CA-E3/5B Transient Voltage Suppressor (TVS) is a typical three-terminal device designed to protect against transient overvoltage generated by inductive, capacitive and lighting loads. It is commonly used for protecting sensitive electronic circuits from the damaging effects of electrical transients.

A typical application for the SMB8J14CA-E3/5B is to protect against overvoltage spikes and surges in personal computers, mobile communication devices, and industrial equipment. The TVS is specifically designed to protect against ESD (electrostatic discharge) up to 2kV and to protect against transients created by switching inductive loads. Moreover, this device can be used for surge protection of electronic circuits, against power induction transients, and magnetically generated transients.

The SMB8J14CA-E3/5B consists of a highly efficient Zener diode connected in parallel with bipolar Transient Voltage Suppressor (TVS) devices. Its working principle is based on the parallel connection of two technologies: an integrated Zener Diode and a discrete Transient Voltage Suppressor (TVS). The Zener diode is able to suppress normal transients up to its breakdown voltage and is thus very effective in suppressing ESD events. The Transient Voltage Suppressor (TVS) is responsible for high-energy transients, which can be much more powerful than ESD. It is much more effective in dissipating higher energy transients and its low capacitance (0.1pF) makes it suitable for use in high-speed applications.

The SMB8J14CA-E3/5B offers high surge capability up to 30A (8/20μs pulse) and low leakage current (below 5μA). This TVS comes in small SMD8 package which provides higher power dissipation, better heat transfer, and much lower insertion loss. This device is designed to work up to an operating temperature range of -55°C to +125°C.

In summary, the SMB8J14CA-E3/5B Transient Voltage Suppressor (TVS) is a low-cost and reliable device used in both industrial and consumer equipment for protection against overvoltages and transients. This device is small, efficient, and has a low insertion loss, making it a great choice for protecting multiple circuits in a wide variety of applications. The combination of its working principle using two technologies (Zener diode and TVS) allows the SMB8J14CA-E3/5B to provide excellent protection against ESD up to 2kV and transient events, even at high frequencies.

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