SA85CAHR0G Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are used to protect other components from electrical transients, which are short but potentially destructive spikes in voltage. The SA85CAHR0G is one of a variety of TVS diode products available on the market for industrial applications. This particular device is classified as a fast unidirectional TVS. It is designed to protect against high-voltage electrical transients and lightning-induced surges, and has a very small form factor, making it ideal for equipment with limited space.

The SA85CAHR0G TVS diode is a three-terminal, hermetically sealed, planar device. Its encapsulation is a molded plastic package, and its three terminals are arranged in an H-shape for optimal efficiency and heat dissipation. It features a clamping voltage of 48V, a maximum surge current of 8A, and an operating voltage of 10V to 18V. This device is designed with a circuit type of unidirectional and is symmetrical, meaning that it can work in both directions, depending on the level of reverse polarity required.

The SA85CAHR0G is specifically designed to protect sensitive equipment such as computers, industrial machines, medical equipment, and other electronics from overvoltage. It is capable of providing effective protection from destructive transients caused by lightning, power line surges, sudden power outages, and other sources of high-frequency transients. It can also prevent damage caused by reversed polarities, such as incorrect wiring or mis-wiring.

The working principle of the SA85CAHR0G TVS diode is fairly straightforward. When a transient surge is detected, the diode acts as a clamp, preventing the voltage from going any higher and protecting other components from the damage that would otherwise occur. The device is also capable of regulating voltage, even with a large surge, to keep it within safe levels. The SA85CAHR0G TVS diode also provides ESD (electrostatic discharge) protection, allowing it to protect equipment from even the smallest of shocks.

In addition to its many protective features, the SA85CAHR0G is also rugged and very reliable. Its planar construction makes it highly resistant to temperature variations and shocks, so it can protect sensitive equipment from unexpected events and sudden environmental changes. Its hermetically sealed encapsulation can also protect it from moisture and contaminants that can damage its internal components.

The applications of the SA85CAHR0G are varied, ranging from medical equipment to industrial machines. It can also be used in consumer electronics, automotive applications, security systems, telecommunications systems, and more. It is suitable for applications where space is limited, and it provides reliable protection for a wide range of voltage variations.

In summary, the SA85CAHR0G TVS diode is a versatile and reliable device used to protect sensitive equipment from voltage surges. It is capable of regulating voltage and providing ESD protection, making it ideal for industrial and consumer applications. Its hermetically sealed encapsulation provides superior waterproofing and safeguarding against environmental contamination, and its rugged construction allows it to survive shocks and temperature changes without sustaining damage.

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