1PGSMB5945 with Zener Diodes 3000mW, 5%, Zener Diode is a surface-mount diode device manufactured by Taiwan Semiconductor. It is a series of high power, 5% tolerance Zener Diodes with breakdown voltage range from 1.2V to 75V. With a wide range of operating current capabilities and a maximum power dissipation rating of 3000mW, these devices are suited for use in surge guards, voltage regulation, and overvoltage protection in power supply and automotive circuits. They feature an industry-standard SOD-323 package, made from ceramic and E7 suffix molding compound. The 1PGSMB5945 comes tin plated, and is suitable for automated mounting and soldering processes with bottom termination.