The ADL-66505TL is a laser diode manufactured by Laser Components. It has a wavelength range of 653-667nm, a maximum output power of 50mW, a divergence of 9/17, and a supply voltage range of 2V to 3V. It requires through-hole mounting, meaning it is soldered directly to a circuit board. The diode is designed for applications requiring a precise, directional and focused beam of light. It is suitable for use in a range of industries such as industrial, communications, medical, and metrology.