LUMAWISE Type Z35 LED Holders TE Connectivity LUMAWISE Type Z35 LED Holders provide quick and easy LED assembly through tape-in LED retention and easy attachment of secondary optics. These holders offer a higher level of integration through a solderless connection to chip-on-board (COB) LEDs using standard pan-head and countersunk screws. TE Connectivity LUMAWISE Type Z35 LED Holders are suitable for LED board sizes 19mm x 19mm and 16mm x 19mm from various LED manufacturers. These holders are Zhaga book 11 inspired. Ideal applications include architectural lighting, high bay lights, area and object lighting, luminaires, and more.