The Cisco compatible SFP28 transceiver provides 25GBase-ESR throughput up to 300m over OM3 MMF (400m over OM4) using a wavelength of 850nm via a LC duplex connector. Besides, it offers interoperability, laying a foundation for the next-generation network upgrade. Each SFP28 transceiver module is individually tested in targeted switch, and is fully compliant with the SFP28 MSA, RoHS, SFF-8424, SFF-8431 and SFF-8432 standards.
Featuring low power consumption and high speed, this 25G transceiver is ideal for 25G Ethernet, Telecom, and Data Center.

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Cisco Compatible 25GBASE-ESR SFP28 850nm 300m Duplex LC MMF DOM Optical Transceiver Module
Hot #143084
Hot #143084
£55.00 exc. VAT
FS P/N: SFP28-25GESR-85£66.00 inc. VAT
FS P/N: SFP28-25GESR-85
541 Sold
12 Reviews
0 Question
Transceiver Models:
2 In UK Warehouse, Get It By 8 Dec 2023
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Deliver to London, E15 2PP
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5-Year Warranty
30-Day Returns
30-Day Exchange
Specifications
Connectivity Solutions
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Cisco Compatible 25GBASE-ESR SFP28 Optical Transceiver Module (MMF, 850nm, 300m, LC, DOM)
Specifications
Part Number
SFP28-25GESR-85
Vendor Name
FS
Form Factor
SFP28
Max Data Rate
25Gbps
Wavelength
850nm
Max Cable Distance
300m@OM3/400m@OM4
Connector
Duplex LC
Media
MMF
Transmitter Type
VCSEL
Receiver Type
PIN
TX Power
-6.4~2.4dBm
Receiver Sensitivity
-6dBm
Powerbudget
-0.4dB
Receiver Overload
2.4dBm
Power Consumption
≤1W
Extinction Ratio
2dB
CDR (Clock and Data Recovery)
TX & RX Built-in CDR
Host FEC
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
SFP28 MSA Compliant, SFF-8472, SFF-8024, SFF-8431, SFF-8432
Core Size
50/125 µm
Packaging Technology
COB Packaging
DOM
Supported
Warranty
5 Years
Quality Testing Program
Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
Connectivity Solutions
Scenario 1

Scenario 2

Scenario 1

Scenario 2

Features
25G Connectivity for Data Center
Featured with low-power, high-density and high-speed, the SFP28 transceiver offers a popular way to help you quickly ramp up to 25G transmission.
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.

Comprehensive Testing Increases Reliability
Qualified through a rigorous process with advanced equipments to ensure you get the high quality and reliable optics.
Optical Spectrum Test
No Packet Loss & CRC
Eye Pattern Test
Mask Margin >20%
Bit Error Rate Test
BER 1E-12
Temperature Test
0~70°C
Videos
Specifications
Cisco Compatible 25GBASE-ESR SFP28 Optical Transceiver Module (MMF, 850nm, 300m, LC, DOM)
The Cisco compatible SFP28 transceiver provides 25GBase-ESR throughput up to 300m over OM3 MMF (400m over OM4) using a wavelength of 850nm via a LC duplex connector. Besides, it offers interoperability, laying a foundation for the next-generation network upgrade. Each SFP28 transceiver module is individually tested in targeted switch, and is fully compliant with the SFP28 MSA, RoHS, SFF-8424, SFF-8431 and SFF-8432 standards.
Featuring low power consumption and high speed, this 25G transceiver is ideal for 25G Ethernet, Telecom, and Data Center.
Specifications
Part Number
SFP28-25GESR-85
Vendor Name
FS
Form Factor
SFP28
Max Data Rate
25Gbps
Wavelength
850nm
Max Cable Distance
300m@OM3/400m@OM4
Connector
Duplex LC
Media
MMF
Transmitter Type
VCSEL
Receiver Type
PIN
TX Power
-6.4~2.4dBm
Receiver Sensitivity
-6dBm
Powerbudget
-0.4dB
Receiver Overload
2.4dBm
Power Consumption
≤1W
Extinction Ratio
2dB
CDR (Clock and Data Recovery)
TX & RX Built-in CDR
Host FEC
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
SFP28 MSA Compliant, SFF-8472, SFF-8024, SFF-8431, SFF-8432
Core Size
50/125 µm
Packaging Technology
COB Packaging
DOM
Supported
Warranty
5 Years
Quality Testing Program
Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
Connectivity Solutions
Scenario 1

Scenario 2

Scenario 1

Scenario 2

Features
25G Connectivity for Data Center
Featured with low-power, high-density and high-speed, the SFP28 transceiver offers a popular way to help you quickly ramp up to 25G transmission.
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.

Comprehensive Testing Increases Reliability
Qualified through a rigorous process with advanced equipments to ensure you get the high quality and reliable optics.
Optical Spectrum Test
No Packet Loss & CRC
Eye Pattern Test
Mask Margin >20%
Bit Error Rate Test
BER 1E-12
Temperature Test
0~70°C
Videos
Questions & Answers
Be the first to ask a question.
Customer Reviews
M***s
Colombia
17 Apr 2023
I bought this 25G transceiver for my data center upgrading, it works very stable while the price is very competitive. Good experience.
Verified Purchase
Helpful 0
Comment 0M***n
United States
16 Apr 2023
The 25G SFP28 modules I bought about three weeks ago have been working flawlessly on my Cisco Nexus series switches. These high-performance products have helped us to realize the seamless connection in our data center. No complaints whatsoever.
Verified Purchase
Helpful 0
Comment 0B***r
United States
14 Mar 2023
They perform well, and seem to be reliable, and great value.
Verified Purchase
Helpful 5
Comment 0See all reviews
Resources
£55.00 exc. VAT
£66.00 inc. VAT
2 In UK Warehouse