Finisar Corporation

Finisar Corporation is a recognized manufacturer of high-performance optoelectronic components, serving global markets with innovative fiber optic and sensing technologies. The company specializes in optical transceivers, transponders, and active optical cables designed to support high-speed data communication across enterprise, telecom, and hyperscale data center environments. With decades of expertise in photonics, Finisar has built a strong reputation for delivering reliable, standards-compliant products that meet the evolving demands of modern networking infrastructure.

The Finisar product portfolio encompasses a wide range of optoelectronic solutions, including SFP, SFP+, QSFP, QSFP28, and CFP transceivers supporting data rates from 1G to 400G and beyond. Beyond transceivers, the company offers cable assemblies, optical sensors, and transducer technologies for industrial and medical applications. Finisar also provides development boards, evaluation kits, and programming tools that enable engineers to integrate optical interconnect solutions into next-generation systems. Their products are widely used in Ethernet networks, Fibre Channel storage, wireless fronthaul and backhaul, and high-performance computing clusters.

3J LIMITED is a trusted distributor of Finisar Corporation products, offering engineers and procurement specialists streamlined access to over 2,833 Finisar components and related optoelectronic solutions. Through 3J LIMITED, customers can source genuine Finisar transceivers, cable assemblies, sensors, and development kits with confidence in authenticity and availability. Whether you are designing cutting-edge data center architectures, upgrading telecom infrastructure, or developing industrial sensing applications, 3J LIMITED provides the Finisar products and technical support needed to accelerate your project timelines.