SMBJ85CA-13 Circuit Protection

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TVS Diodes are devices used to protect electronics circuits from electrical transients or overvoltage and protect them from damage. The SMBJ85CA-13 is a device designed and manufactured for protecting a broad range of applications from transients such as lightning and power cross surges. This device is also able to offer a low leakage current when compared to other TVS diodes.

A SMBJ85CA-13 is an application field applicable for Ethernet and RJ45 connector protection, data transceivers protection of microcontrollers and mobile phone applications, as well as telecom, automotive, battery powered devices and consumer technology applications. SMBJ85CA-13 is also suitable for use as an industrial grade surge protection device.

The SMBJ85CA-13 has a bidirectional feature, protecting components on both directions from voltage transients for optimal protection. The device has a Stand-Off Voltage, which is the maximum voltage at which the device can conduct any current. This voltage is typically 8.5V. This device has a Leakage current of 25µA when operated at 6V.

The SMBJ85CA-13 works by using a Variety of mechanisms to suppress transients that occur in a circuit. It uses a peak pulse current flow that is large enough to trigger the device within a few nanoseconds. When this happens, the device will begin conducting and begin to absorb the transient energy by raising its temperature. This dissipates the energy away from the circuit, protecting any components. It also has a clamping voltage protection feature, which works by absorbing the excess energy and preventing it from reaching any components in the circuit.

The SMBJ85CA-13 is enhanced with surge withstand capability by having a low dynamic resistance. This helps to reduce the overall power dissipation in comparison to other TVS devices. It also has an improved performance over temperature range of -55°C to 150°C.

In conclusion, the SMBJ85CA-13 device is a robust and reliable device suitable for a wide range of industrial applications from consumer electronics to automotive. It works by providing quick overvoltage protection from transients, while also providing a low leakage current for optimal performance.

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