SA48CAHR0G Circuit Protection

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TVS or transient voltage suppressor diodes are a special type of diodes designed for suppressing transient surges. They have a combination of both switching and protection capabilities. The SA48CAHR0G is an example of a TVS diode. It is composed of an array of four SA48C Transient Voltage/Surge Absorptive Diodes. The four diodes are electrically connected in parallel and share their common cathode. In this article, we will discuss the application field and working principle of the SA48CAHR0G.

The SA48CAHR0G is widely used in the automotive industry, specifically in cars, trucks, buses and agricultural and construction vehicles. It is the ideal choice for suppressing high transient voltage surges that originate in batteries, alternators and other motor vehicles. The SA48CAHR0G also has applications in the consumer electronics industry, including home systems, entertainment systems, and IoT devices. It can protect these devices from transient overvoltage spikes which can occur due to lightning strikes, disturbances, and power surges caused by switching on and off of heavy appliances.

The SA48CAHR0G has some distinct advantages over its counterparts in terms of its physical size, performance, and durability. It is sold in a 5-pin SOT-23 package, which requires minimal space and is easy to mount. It provides superior protection to a wide range of voltage surges and has an operating voltage range of up to 6.0 V. It also features an operating temperature range of -55°C to +150°C, allowing it to function even in extreme temperatures.

The SA48CAHR0G is designed to provide overvoltage protection for applications where low clamping voltages are desired. It features a minimum Breakdown Voltage (VBR) of 6.0 V and a maximum clamping voltage of 16.9 V. At breakdown voltages above and below VBR, the SA48CAHR0G will absorb energy and dissipate it in the form of heat. When the applied voltage falls below the Breakdown Voltage, the diode will return to its non-conductive state.

The SA48CAHR0G also has an extremely fast response time of 2.6ns. This ultra-fast response time is necessary in order to prevent high-voltage spikes from damaging sensitive components and circuitry. The SA48CAHR0G also has an extremely low capacitance of 0.5pF, allowing for low-impedance low-capacitance protection in high-speed circuits.

In conclusion, the SA48CAHR0G is a reliable and effective solution for transient voltage protection. It provides superior protection for a wide variety of applications, such as automotive, consumer electronics, and IoT devices. Its small size, fast response time, and low capacitance make it a popular choice for these applications. This makes the SA48CAHR0G an ideal choice for transient voltage suppression.

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