.The LCU66A551AP is a laser diode manufactured by Laser Components. It has a wavelength range of 655-665nm, an output power of 150mW, an optical efficiency of 11/28, a TO56 through hole mounting, a red color, and operates on a voltage of 2.3 to 2.5VDC. This diode is designed for a wide variety of applications, including illumination, telecommunications, and laser scanning. With its high efficiency, robust design, and long product life, the LCU66A551AP is an ideal choice for industrial applications.