SMAJ188AHE3/5A

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TVS diodes are designed to protect sensitive circuits from high energy transients, surges, and shocks. The SMAJ188AHE3/5A device is a unidirectional, bi-directional, and rail-to-rail TVS diode specifically designed for electrostatic discharge (ESD) protection. This device series is available in the SMA-style plastic packaging with a JEDEC-preferred-1 footprint and provides excellent ESD protection against a variety of threats.

The SMAJ188AHE3/5A has two breakdown voltages available in the series – ESD15K is designed for 15KV protection, while ESD30K can provide up to 30KV of protection. Both devices have a working voltage of 18.8V. The device is capable of absorbing repetitive ESD strikes up to the maximum level specified without performance degradation. It is also rated for operation in temperatures from -65 to +150 °C.

The SMAJ188AHE3/5A device comprises two components: a fast-static rectifier junction and a freewheeling internal diode. The junction has the ability to protect high-frequency signals from the damaging effects of ESD pulses while having a low stand-off voltage. The freewheeling internal diode acts as an “escape route” for current surge during transient pulses and diverts them away from the circuit, thus protecting the circuit from over-voltage.

The SMAJ188AHE3/5A device is capable of handling peak power up to 1500W when installed in a Unidirectional configuration. In applications where peak pulse current is in excess of 125A, the device should be used in a multi-directional configuration for complete protection. The device is rated for a maximum peak current of 4000A when used in an multi-directional configuration. This ensures that the SMAJ188AHE3/5A is capable of protecting sensitive circuits from a wide range of ESD threats.

The SMAJ188AHE3/5A device can be used to protect high-speed data interfaces and other systems interfaces from ESD damage. The device can also be used to protect sensitive instrumentation and computer components, including flash memory cards, solid state drives, and displays. The device is ideal for switch-mode power supplies, signal lines, and other high-current systems.

By combining the fast-static rectifier junction with a freewheeling internal diode, the SMAJ188AHE3/5A device provides ESD protection in a wide range of applications. With its low stand-off voltage, high peak pulse power ratings, and high maximum peak current ratings, the device is well-suited for protecting sensitive circuits from ESD-related damage. The device is available in a wide variety of packages, making it easy to select the one that best suits the application.

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