SMBJ10A-TP Circuit Protection

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The SMBJ10A-TP is a diode of the Transient Voltage Suppression (TVS) type. It is designed to protect circuits from overvoltage conditions, such as those caused by transient spikes. It is commonly found in computers, automobiles, consumer electronics, and other electronic systems.

The SMBJ10A-TP is a unidirectional device in a DO-213AA package utilizing a glass case material and PN junction technology. It is designed to operate in an environment between -55°C and 150°C and is RoHS compliant. The ideal operating voltage is 10 V with a maximum operating voltage of 14.5 V and a maximum surge current of 500A (8/20 μs). The manufacturer provides typical response times of 1ns max.

The working principle of the SMBJ10A-TP is that when exposed to an over-voltage from one direction, it directs the excessive current flow away from the protected circuit, transferring it into the diode. This is possible because the PN junction has a breakdown voltage which when exceeded causes the diode to conduct a large current. This current is limited by the component\'s internal resistance and limits the voltage rise across the device. As voltage increases, so too does the current, but the junction\'s total capacitance decreases the overall current which limits the amount of energy that can be dissipated.

The application field of the SMBJ10A-TP is extensive. The device is most commonly used in electronic devices that are exposed to transient surges such as in PCs, automotive systems, consumer electronics, communications equipment, and medical instruments. This diode is beneficial in these systems because it helps to protect against overvoltage conditions that can damage sensitive electronics.

The SMBJ10A-TP is a reliable and cost-effective diode of the Transient Voltage Suppression type. Its ability to control overvoltage conditions while transferring current away from the protected circuit makes it well suited for use in a wide range of devices and applications. The device is RoHS compliant and can operate in temperatures between -55°C and 150°C. With its fast response time and internal resistance, this diode makes a great choice for those looking to protect their electronics and prevent costly damage.

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