Taiwan Semiconductor 1K5SMPC12APH to 1K5SMPC51APH Transient Voltage Suppressors are AEC-Q101 qualified and ideal for automotive applications. The 1K5SMPC12APH to 1K5SMPC51APH TVS features a 1500W power dissipation and a 12V to 51V voltage range. The devices offer uni-directional polarity in a TO-277A package.