This is part of a microlens array from E2v, a manufacturer of high-performance imaging and sensing solutions. The 5962-9951902QYA is a reel-to-reel format with a standard pitch of 5.08mm and an array size of 19 x19. It has an integrating lens design and is a multi-layer coated plate amplifier with a fixed focal length. The product is designed for use in applications such as endoscopy, medical imaging, and machine vision.