25G SFP28 ER 40km Transceiver, Single Mode, LC Duplex, DDM

Product Description

The SPP-Cxx25-40x is a high-performance 25G SFP28 optical transceiver designed for long-distance data transmission over single-mode fiber. With a reach of up to 40km, it integrates a CWDM DFB laser and APD receiver to ensure reliable performance in demanding network environments. Fully compliant with SFP+ MSA and RoHS standards, this module supports digital diagnostics for real-time monitoring.

Features

Supports data rates up to 25.78Gbps

Hot-pluggable SFP+ form factor

Single +3.3V power supply

Digital Diagnostic Monitoring (DDM)

Duplex LC connector

Class I laser safety compliant

Operating case temperature: 0°C to +70°C

Technical Parameters

Data Rate: 25.78Gbps

Wavelength: 1271nm, 1291nm, or 1311nm (CWDM)

Max Transmission Distance: 40km

Output Power: 0 to +6 dBm

Receiver Sensitivity: ≤ -18 dBm

Receiver Overload: ≥ -6 dBm

Extinction Ratio: ≥ 3.5 dB

Supply Voltage: 3.3V

Operating Temperature: 0°C to +70°C

Diagnostics: Temperature, Voltage, TX/RX Power, Bias Current

Applications

25GBASE-ER Ethernet

Data center interconnects

Enterprise networking

Telecom backhaul

SkyOptics(formerly OE-Link), founded in 2010, is a leading innovator in the optical communications industry. Headquartered in Shenzhen, China, we specialize in the design, manufacturing, and global distribution of high-performance optical devices.

With a 3,000 sqm state-of-the-art production facility and a vertically integrated supply chain, we ensure 100% compatibility, industry-leading reliability, and future-proof solutions that meet the ever-evolving demands of global networks. Our products are widely used in Data Centers, Telecom, Datacom, FTTX, and Security Monitoring, empowering the backbone of modern connectivity. Here’s a closer look at our core product lines:

- Optical Transceivers: Data rates from 155M to 800G, including QSFP-DD, OSFP, SFP-DD, QSFP28, QSFP56, QSFP+, SFP28, SFP+, SFP, XFP, X2, Xenpak.

- Data Center Solutions: Data rates from 10G to 800G, featuring SFP+/SFP28/QSFP+/QSFP28/QSFP56/QSFP-DD/OSFP DAC & AOC cables.

- Fiber NIC Cards: Ranging from 100BASE to 100GBASE.

- Passive Optical Products: Including CWDM/DWDM MUX/DEMUX, MPO Cables, FBT Couplers, PLC Splitters, and Fiber Patch Cords.

As the optical communications industry evolves, SkyOptics remains at the forefront of innovation. We are committed to pushing the boundaries of technologythrough continuous investment in R&D, expanding our global partnerships, and enhancing our customer support. Our mission is to not only meet but exceed customer expectations, providing them with the most advanced and reliable solutions to build faster, smarter, and more efficient networks for the future.