SMBJ12CA-M3/5B

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TVS (transient-voltage-suppression) diodes, also known as spike suppressors, are a form of electrical protection device used to shield sensitive electrical components from transient voltages, also known as surges. The SMBJ12CA-M3/5B is a great example of such a device.

The SMBJ12CA-M3/5B TVS diode is a low-voltage, bidirectional, unidirectional transient voltage suppressor designed for transient overvoltage protection of variety of circuits and interfaces from low- to medium-overvoltage transients. It can be used in a wide range of industries and applications, including telecommunications, automotive, industrial, consumer electronics, and medical devices.

The device is offered in the SMA, SMB, SMC, and SMD packages, and is designed to protect against ESD (electrostatic discharge) up to 15kV in accordance with IEC 61000-4-2. It can also protect circuits from overvoltages up to 28V RMS, and up to 30A spark surge when properly mounted.

The operating temperature of the device ranges from -55℃ to +125℃, and the peak pulse current rating is 150A (10/1000μs). The diode’s Dynamic Impedance is 5 Ohm Max. It is equipped with a low-capacitance protection line, so it offers excellent circuit protection and improved insertion loss in a wideband network.

The working principle of the SMBJ12CA-M3/5B TVS diode is simple: when exposed to a surge, the diode will conduct, thus diverging most of the energy away from delicate and sensitive components. The diverted voltage is safely conducted to the ground plane, and the current is then confined and absorbed by the TVS, preventing any damage to components the diode is connected to.

The SMBJ12CA-M3/5B TVS diode has a wide range of applications. It can be used for electronics protection in industrial control and consumer electronic devices, providing both ESD and overvoltage protection. It is also a great choice for communication and automotive applications, protecting components from transient voltage levels up to 28V RMS. It can be used in high-speed data lines and signal lines, including USB lines and Ethernet connections.

The SMBJ12CA-M3/5B TVS diode is an ideal solution for high-speed interface protection pairs. It is designed to provide excellent protection against ESD and transient voltage surges over an extended temperature range. It is capable of withstanding up to 28V RMS of transient voltage, and has a peak pulse current rating of 150A.

In conclusion, the SMBJ12CA-M3/5B TVS diode is a great choice for a wide range of applications. By diverting and dissipating transient voltage surges, it offers excellent protection to sensitive components, and prevents damage to them due to electrical transients. It is an ideal solution for high-speed interface protection pairs, and provides excellent protection against ESD and transient voltage surges over an extended temperature range.

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