SA90CA Circuit Protection

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SA90CA TVS - Diodes (Surge Protective Devices) are tailored to protect against high energy surge events due to lightning or other high voltage transient sources. These devices have various levels of operation and are employed for a wide range of applications.

SA90CA are designed for a single-line transient voltage use, where their response time is very fast. The devices include a wide range of polarity configuration, with an enclosure that provides mechanical protection and environmental seal. The devices are available in various configurations, with different response times that are based on their voltage rating and surge specified.

The working of SA90CA begins with an incoming voltage or surge. The short duration transient voltage on pole 1 is clamped to the device\'s peak power struck voltage. This voltage appears across the device illustrating the on-state voltage of the SA90CA. Following this, the power struck voltage begins to decay until it becomes equal to the residual voltage. The decay time of the voltage reflects the clamping ratio of the unit. The device is able to withstand multiple occurrences of a surge. In the event of a high voltage transient, the current capacity of a single device is limited and it is recommended that additional units be paralleled for multiple lines or higher current requirements.

The SA90CA is especially suited for protecting sensitive circuits from high voltage transients. It is commonly employed in a wide range of applications, including automotive, consumer electronics, telecommunication systems, medical electronics, and industrial applications. SA90CA can also be employed in a broad range of residential and light commercial applications, with its simple plug-and-play feature.

The SA90CA is unique due to its superior protection, allowing current limiting and reverse current for longer life and enhanced safety. This device uses a unique high performance TVS diode technology with a reversed power diode protection circuit to protect up to 32V. It also ensures that devices are compliant with international norms, with an overvoltage and transient protection achieved in an extremely small form factor.

The SA90CA also has an integrated ESD protection for real time events up to 8kHz. It features an integrated current protection with current latching, which is designed to protect against long duration or repetitive occurrences of relatively high energy transients, and to reduce application downtime. Additionally, it has an integrated thermal protection when the device is exposed to excessive high temperatures.

In summary, SA90CA TVS - Diodes (Surge Protective Devices) are tailored to protect against high energy surge events due to lightning or other high voltage transient sources. This devices have various levels of operation and are employed for a wide range of applications. Their fast response time, polarity configuration, and integrated ESD and thermal protection enable the device to be used in multiple applications with superior protection.

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