1.5SMC82CA BK

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The 1.5SMC82CA BK is a member of a family of stud type transient voltage suppressor (TVS) diodes developed by ON Semiconductor. It is a good choice for applications involving single-line transient protection. As such, this stud type combined suppressor diode grabs the attention of application developers in the automotive, mobile communication, and industrial control fields.

The 1.5SMC82CA BK is a bi-directional TVS diode. It is designed to clamp voltages above a certain threshold and protect the device and circuits against overvoltage. It features low capacitance of 0.7pF, making it ideal for high-speed data line protection. The diode is available in both standard DO-214AC package and RoHS-compliant, halogen-free DO-214ACHL packages. It supports an allowable peak power rating up to 5W over the -55ºC~175ºC temperature range.

The 1.5SMC82CA BK uses avalanche technology for its operation. In normal working conditions, the device is held in forward-looking mode. When subjected to excessive input voltage, the avalanche effect occurs and blocks further conduction. This way, the output voltage remains within the safe level. Once the avalanche effect is over, the device returns to forward-looking mode.

The 1.5SMC82CA BK TVS diode can withstand a peak pulse current of 72A (10/1000µs) and holds a maximum working voltage of 20V and a maximum reverse leakage current of 50µA (at 25°C and rated voltage). Its capacitance is 0.7pF (at VR=0V, f=1Mhz). The response time, where it switches from nonconduction to conduction is 5ns.

The 1.5SMC82CA BK TVS diode suits applications in harsh environments, including automotive systems, mobile communications, and industrial control. It provides ESD protection for TIAs, BOAs, microwave links, modems, sensor loops, I/O lines, power supplies, and many other circuits of electronic systems.

From the discussion, it can be concluded that the 1.5SMC82CA BK TVS diode is a high-performance overvoltage protection device designed to effectively protect low-voltage electronic systems against overvoltage and ESD events. Its excellent characteristics, low capacitance, and ease of integration ensure that the device meets the application requirements of different industries.

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