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Cisco Compatible Ethernet Optical Transceiver SFP28 25G 850nm 100m

Basic Information
Place of Origin: Shenzhen China
Brand Name: OLKOPTO
Certification: RoHS FCC CE GS UL FDA etc
Model Number: OLSP852XL-CDS1
Minimum Order Quantity: 1pc
Packaging Details: Individual package Or 10pcs/pallet Or 20pcs/pallet
Delivery Time: 3-5 working days
Payment Terms: T/T or Net 30 days
Supply Ability: 80-120k per month
Compatiblity: Cisco Form Factor: SFP28
Data Rate: 25.78Gbps Wavelength: 850nm
Transmitter Type: VCSEL Temperature: 0~70 °C
Connector: LC Duplex Distance: 100m
Media: SMF DDM/DOM: Supported
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25G Ethernet Optical Transceiver


SFP28 Ethernet Optical Transceiver


SFP28 sfp ethernet module

Cisco Compatible Ethernet Optical Transceiver SFP28 25G 850nm 100m


Cisco Compatible SFP-25G-SR-S SFP28 25G 850nm 100m Ethernet Optical Transceiver


 Product Features 

● Supports up to 25.78Gb/s bit rates

● Digital Diagnostic Monitor Interface with SFF-8472

● Hot plug-gable SFP28 footprint

● 850nm VCSEL transmitter

● Maximum link length of 70m links on OM3 or 100m links on OM4 multi-mode fiber

● High transmission margin

● Low power consumption<1W

● Operating case temperature: Commerical:0 to 70 °C


Optical Characteristics (TOP(C) = 0 to 70 , VCC = 3.13 to 3.47 V)

Parameter Symbol Min. Typ Max. Unit Note
Operating Wavelength λ 840 850 860 nm  
Ave. output power (Enabled) PAVE -8.2   2.4 dBm  
Side-Mode Suppression Ratio SMSR 30     dB  
Extinction Ratio ER 2     dB  
RMS spectral width(-20dB) Δλ     1 nm  
Relative Intensity Noise RIN     -130 dB/Hz  
Operating Wavelength   840 850 860 nm  
Stressed Receiver Sensitivity(OMA) RsenS     -5.2 dBm  
Average Receiver Power Pimax -10.3   3 dBm 1
LOS Assert Pa -30     dBm  
LOS De-assert Pd     -12 dBm  
LOS Hysteresis Pd-Pa 0.5   5 dB  



1. Measured at the BER less than 5E-5, back to back. The measure pattern is PRBS 231-1 with worst ER=4.5@ 25.78Gb/s.


Absolute Maximum Ratings

Parameter Symbol Min. Max. Unit Note
Supply Voltage Vcc -0.5 4.0 V  
Storage Temperature TS -40 85 °C  
Relative Humidity RH 0 85 %  


Note: Stress in excess of the maximum absolute ratings can cause permanent damage to the transceiver.


General Operating Characteristics

Parameter Symbol Min. Typ Max. Unit Note
Data Rate     25.78   Gb/s  
Supply Voltage Vcc 3.13 3.3 3.47 V  
Supply Current Icc     300 mA  
Operating Case Temp. Tc 0   70 °C  


Electrical Characteristics (TOP(C) = 0 to 70 , VCC = 3.13 to 3.47 V)

Parameter Symbol Min. Typ Max. Unit Note
Differential data input swing VINPP 120   800 mVpp 1
Tx Disable input H TDH 2.0   Vcc+0.3 V  
L TDL 0   0.8
Tx Fault output H TFH 2.0   Vcc+0.3 V 2
L TFL 0   0.8
Input differential impedance Rin   100   Ω  
Differential data output swing Vout,pp 340 650 800 mVpp 3
Rx Los Output H VOH 2.0   Vcc+0.3 V 2
L VOL 0   0.8


1. TD+/- are internally AC coupled with 100Ω differential termination inside the module.

2. Tx Fault and Rx LOS are open collector outputs, which should be pulled up with 4.7k to 10kΩ resistors on the host board. Pull up voltage between 2.0V and Vcc+0.3V.

3. RD+/- outputs are internally AC coupled, and should be terminated with 100Ω (differential) at the user SERDES.

Contact Details

WhatsApp : +8618695187695