· Data rate up to 2.5 Gbps

· 1310nm typical emission wavelength

· Wide temperature range operation from -20°C to+85°C

· TO56 package with Φ2.0mm/2.0 refractivity ball lens without coating

· Uncooled DFB LD chip

The 2.5Gbps DFB LD TO-CAN Large ball is a remarkable component in optical communication technology.

The DFB LD at the heart of this device is engineered to support a data rate of 2.5Gbps. This allows for efficient and reliable transmission of data, making it suitable for a variety of applications where medium - speed data transfer is required. The DFB structure provides stable and single - mode laser output. This stability is crucial in applications such as fiber - optic communication systems, where signal consistency over long distances is vital.

The TO - CAN packaging offers a number of benefits. It provides mechanical protection to the DFB LD, safeguarding it from physical damage and environmental factors. It also aids in heat dissipation, which is essential for maintaining the optimal performance of the laser diode during continuous operation.

The large ball feature in this component is particularly interesting. It can enhance the optical coupling efficiency. With a larger ball, there is a better chance of more effective light collection and transmission, reducing optical losses. This large ball design can contribute to improved overall performance of the optical system where the 2.5Gbps DFB LD TO - CAN is integrated. It can be used in various scenarios, such as in metro - area networks or in high - speed data communication links within data centers, where reliable and efficient optical signal generation and transmission are key requirements.

Data Communications

The 2.5Gbps 1310nm DFB LD TO-CAN (Large ball) laser diode is engineered for robust optical data transmission in medium-speed network environments. Featuring a stable Distributed Feedback (DFB) structure and single-mode output, this device ensures consistent optical performance across fiber links—making it suitable for data aggregation, metropolitan networks, and enterprise backbone connections. Its reliable modulation and low noise characteristics support clear and efficient signal propagation in optical systems that require dependable performance over extended ranges.

SDH Telecommunications

In Synchronous Digital Hierarchy (SDH) networks, precise wavelength control and signal stability are essential for maintaining synchronization across multi-tier communication layers. The 1310nm emission and DFB design of this LD deliver a consistent optical carrier, enabling integration into SDH transmission modules where low bit error rates and stable performance are critical. Its wide operating temperature range also supports deployment in outdoor and industrial network infrastructures.

Other Optical Transmission Systems

Beyond traditional data and SDH telecom links, this 2.5Gbps laser diode is a compelling choice for a variety of other optical transmission platforms—including optical test instruments, industrial fiber networks, and custom subsystem applications. The TO-CAN package with a large ball lens enhances optical coupling efficiency, reducing insertion loss and improving overall system performance in medium-speed optical links. Its versatility makes it an ideal optical source component for systems that demand stable light generation and reliable operation.

Absolute Maximum Ratings

 Electrical/Optical Characteristics ( T=25℃ )

 Outline Drawings ＆ Pin Connection Type