25G SFP28 ER

Vitex Part #: VS-25ER1xS-AA

Vitexâ€™s VS-25ER1xS-AA is a high-performance optical transceiver. They are compliant with SFF-8472 and 8431 standards, providing a fast and reliable interface for 25G Ethernet applications. With a hot pluggable design, and metal enclosure for EMI resistance, this SFP28 is capable of being used in applications of up to 40km.

Features
Specifications
Applications
FAQs
Datasheet

Up to 25.78Gbps Data Links Hot-pluggable
SFP28 footprint DML Laser and APD receiver Duplex LC connector Up to 40km transmission on SMF Metal enclosure, for lower EMI 2-wire interface with integrated Digital Diagnostic monitoring Single 3.3V power supply
Power dissipation < 2.0W Case operating temperature Commercial: 0°C to +70°C
Industrial: -40°C to +85Â°C
Compliant with SFF-8472 &8431 RoHS Compliant

Form Factor	SFP28
Data Rate	25G
Wavelength	1310nm
Distance	40km
Connector	LC Duplex
Protocol	Ethernet
Temperature	Commercial (0–70°C)

Enterprise Networking Storage Area Networks (SAN)

Q: What is the distance rating for 25G ER? A: It supports up to 40km on Single Mode Fiber.

Q: Does it use an EML or DML laser? A: It uses an EML (Electro-absorption Modulated Laser) for better dispersion performance over 40km.

Q: Is FEC required for 40km reach? A: Yes, enabling Host FEC (Forward Error Correction) is recommended to ensure low Bit Error Rate (BER).

Q: Is it available in I-Temp? A: Yes, select the "-I" version for Industrial Temperature support.

Technical Documentation

Access comprehensive technical specifications, mechanical diagrams, and validation reports.

Download Datasheet PDF

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Transceivers worked as expected. Very good value.

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Canada

Great Customer Service. Good on time delivery.

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Buyer at a large defense contractor

As a developer of medical systems, we are required to comply with EMC standards for medical devices. Vitex devices met this requirement every time we tested them. The other devices we tested did not even come close.

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Thank you all so much for all you have done for our company with its very needed products. No returns, none of your competition can beat that record!!

Gail E.

Buyer at a leading video security company

I am using the transceivers in our network. Impressed with their BER performance.

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Tested & Validated

Built For Real Deployment Environments

Every Vitex optical product undergoes optical testing, interoperability validation, and system-level verification to ensure performance, reliability, and long-term availability in production networks.

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