The TCZM15BTR with Zener Diodes LL34 RoHS is a surface mount package diode component manufactured by Tak Cheong. It is designed for use in a variety of electronic applications, such as power supplies, voltage regulators, overvoltage protection circuitry, and RF detectors. The component features a PN junction constructed from a semi-conductor and two metals (aluminum and zinc). The RoHS version is free of lead, mercury, and other hazardous materials, making it more environmentally friendly. It is rated for an operating voltage of 15V and a power rating of 500mW. Its maximum repeatable peak forward current rating is 200mA, and it can withstand a maximum reverse voltage of 10V. The package size is mainly 4.5 x 3mm and is available with axial or radial leads.