MXSMBG6.5A Circuit Protection

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TVS diodes are components used to protect electrical circuits against surges, such as lightning or electrostatic discharges. The arrow slogan “Cut down the surge” can explain the role of TVS diode, it used to cut down the energy of an overvoltage and control a safe and stable voltage in the circuit. The MXSMBG6.5A (or the MXSMBG65A) is one of the most popular TVS diodes in the electronics market.

This diode is very small sized, it is a glass axial type with a component body diameter size of 5.0mm x 10.3mm and mounted on a round metal base with a diameter of 4.6mm. Its very mini size gives it an advantage on working with space-limited situation.

The peak pulse power of MXSMBG6.5A is around 3000 W and the peak pulse current is 6.5A. It also has a reverse-polarity compliancy, which makes it safe to mount and use even though the polarity of voltage applied is in a wrong way. But its peak leakage current is very low, for 8/20μs it’s no more than 0.01A and 10/1000μs it’s no more than 0.05A.

The reverse break down voltage of MXSMBG6.5A is around 7.7V, which makes it ideal to use for low voltage circuits protection. Its breakdown voltage dv/dt is around 1000V/µs and its clamping voltage is 18.0V ~ 25.2V at 1A.

The typical forward voltage drop is 0.44V ± 10%, which makes it almost invisible in a working situation. Its ESD protection capability is around 8.6kV and its working temperature ranges from -40℃ to +125℃. Its electrical strength between leads and case are also beyond standard, reaching to 1500V.

The working principle of MXSMBG6.5A is quite simple to understand. The component has two pins, one of them is connected to the power source of the circuit, while the other one is connected to the grounding of the circuit. When there’s a steady overvoltage in the circuit, this component will take action and turn on, the overvoltage is released from the circuit in a workable manner.

The MXSMBG6.5A has a wide application range, it is used for protection of the device such as mobile phones, digital camera, medical equipment, power adapter, network router, toys, LED lighting and so on. It can also be used in smart home, consumer electronics, automotive electronics and industrial applications as well. It is also used as a part of surge protector to protect buildings, apartment, and even small towns against more and bigger potential power surges.

In conclusion, the MXSMBG6.5A is one of the most common components when it comes to TVS diodes. Its efficient, small size gives it many advantages when it comes to use in electronic circuits. Its peak pulse power, reverse break down voltage, ESD protection and temperature ranges make it ideal for many applications. It can be easily used for mobile devices, automotive electronics, and even power supply protection in towns.

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