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The 1.0SMB250A is a surface-mount transient voltage suppressor rated at 1000W peak pulse power with a 10/1000µs waveform. It is designed to protect high-voltage DC power rails from lightning surges, inductive switching transients, and overvoltage spikes. Housed in a DO-214AA (SMB) package, it offers excellent clamping performance, fast response time, and high reliability for industrial power supplies, communication equipment, and control systems.