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100G LR4 QSFP28 Optical Transceiver Module 1310nm 10KM LC SMF

100G LR4 QSFP28 Optical Transceiver Module 1310nm 10KM LC SMF

QSFP module for telecom and data center networks. 100GBASE-LR4 QSFP28 optical transceiver module with 1310nm LWDM DFB laser, 10km transmission over LC duplex SMF, DDM support, and low power consumption.

Key Specifications

  • Model: YFY-QSF0A-L031SL10C
  • Form Factor: QSFP28
  • Product Type: 100GBASE-LR4 Optical Transceiver Module
  • Data Rate: 100Gbps
  • Wavelength: 1310nm LWDM
  • Connector Type: LC Duplex
  • Fiber Type: Single Mode Fiber (SMF) G.652
  • Transmission Distance: 10km
  • Application: Telecom / Metro Network / 5G Bearer / Enterprise Long-Reach Interconnection / Data Center Interconnection

Item

Specification

Model

YFY-QSF0A-L031SL10C

Standard Compliance

IEEE 802.3ba 100GBASE-LR4 / QSFP28 MSA SFF-8636

Aggregate Data Rate

100Gbps

Per Channel Data Rate

25Gbps

TX Laser Type

LWDM DFB

RX Detector Type

PIN

Connector Type

LC Duplex

Matching Fiber Type

Single Mode Fiber (SMF) G.652

Transmission Distance

10km

Operating Temperature

0°C ~ 70°C

Optional Temperature

-40°C ~ 85°C customized

Storage Temperature

-40°C ~ +85°C

DDM

Supported

RoHS

Fully Compliant (Lead-Free)

Key Features

  • QSFP module for 100Gbps long-reach optical transmission

  • 100GBASE-LR4 QSFP28 compliant with IEEE 802.3ba and QSFP28 MSA SFF-8636

  • 4 × 25Gbps channel architecture for stable 100G interconnection

  • 1310nm LWDM DFB laser array with high-sensitivity PIN detector

  • Supports up to 10km transmission over SMF G.652

  • LC duplex connector for standard singlemode optical interface

  • Full DDM support for real-time operating parameter monitoring

  • Maximum power consumption ≤4W

  • Optional industrial temperature and customized firmware support

Characteristics

Average Transmit Optical Power Min. -4.3 / Max. +4.5 dBm
Receiver Optical Power Range Min. -10.6 / Max. +4.5 dBm
Maximum Power Consumption ≤4W
Power Supply 3.3V ± 5%

YFY produces up to 1,000,000 qsfp modules per month, ensuring stable supply for telecom and data center deployments. The MOQ is 50 pcs, supporting both small and large network projects.

Each qsfp optical module is factory tested for optical power, signal integrity, and DDM performance. YFY also provides OEM / ODM customization for qsfp transceiver modules, including compatibility coding and labeling.

Data Center Connectivity Solution

Data Center Connectivity Solution

High-density fiber infrastructure for enterprise & hyperscale data centers.

100% IL/RL tested
High-density & modular model
Meet IEC/ ISO standards
Learn More

A 100GBASE-SR QSFP optical module provides high bandwidth for short-reach optical transmission over multimode fiber (MMF). It is suitable for high-density data center deployment where compact size and high-speed transmission are required.

This QSFP optical module is designed for multimode fiber (MMF) and supports 100m optical transmission with 850nm wavelength.

Yes. This 100G QSFP module is suitable for data center interconnection, server-to-switch links, and high-speed optical aggregation networks where short-reach high-bandwidth transmission is required.

Yes. As an optical transceiver manufacturer, YFY supports OEM / ODM customization for QSFP optical modules, including labeling, packaging, and project-based compatibility requirements.

The main difference between SFP, SFP28, and QSFP modules is the supported data rate and application scenario.

Optical Module

Typical Data Rate

Common Application

SFP

1G

Telecom access networks

SFP28

25G

5G bearer and data center interconnection

QSFP / QSFP28

40G / 100G

High-density data center and cloud networking

Among these, the QSFP module is suitable for higher-bandwidth applications where compact form factor and high data throughput are required.

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