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The 1.5SMC120A is a high-reliability transient voltage suppressor rated at 1500W peak pulse power (10/1000µs), engineered to protect 96–120V DC power lines from lightning surges, inductive switching spikes, and industrial overvoltage events. The DO-214AB (SMC) package provides excellent thermal dissipation and long-term stability for industrial power supplies, automation systems, and energy control equipment.