The 1SMAF4730A Zener Diodes SMAF RoHS manufactured by Jingdao is an electronic component comprised of two Zener diodes. This product is lead-free and RoHS compliant, making it safe to use in electronic applications. The two diodes are connected in series, and each one has a low dynamic forward voltage drop. Additionally, the breakdown voltage of this diode is up to 27 volts, making it suitable for a variety of applications, including use in DC voltage regulation. With a maximum reverse surge current rating of 1.5A, this diode makes it ideal for high-stress environments.