TN-SFP-OC3Sx Series

MSA Compliant 100Base/OC3 SFP Modules
100Base-FX/OC-3 Single Mode (LC) with DMI

Applications include: Fast Ethernet / OC3 Switches and Routers, xDSL Applications, and Metro Edge Switching.

NDAA Compliant

TN-SFP-OC3Sx Series Overview


  • Hot-Pluggable SFP Footprint Optical Transceiver
  • Digital Diagnostic Function
  • Compliant with SFP Multi-Sourcing Agreement (MSA)

TN-SFP-OC3Sx Series Tech Specs


  • IEEE 802.3


  • Width: 0.52” [13 mm]
  • Depth: 2.18” [55 mm]
  • Height: 0.33” [8 mm]

Power Consumption

  • 0.66 Watts

Power Input

  • 3.3V


  • Operating: -10°C to 85°C
  • Operating: -40°C to 85°C (TN-SFP-OC3ST)


  • IEC-60825, FDA 21, CFR 1040.10 and 1040.11; UL Listed (specific SKUs only)


  • Lifetime

TN-SFP-OC3Sx Series Downloads

Additional Product Information

Note: Some Documentation may have Transition Networks named or pictured. Transition Networks was acquired by Lantronix in August 2021. Learn more about the acquisition here.

Lantronix Part # Name Description Order Now
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Lantronix Part #
TN-SFP-OC3Sx Series

100Base-FX/OC-3 1310nm single mode (LC) with DMI [20 km/12.4 mi.] Link Budget: 17.0 dB; UL Listed

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Lantronix Part #
TN-SFP-OC3Sx Series

100Base-FX/OC-3 1310nm single mode (LC) with DMI [30 km/18.6 mi.] Link Budget: 20.0 dB

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Lantronix Part #
TN-SFP-OC3Sx Series

100Base-FX/OC-3 1550nm single mode (LC) with DMI [80 km/49.7 mi.] Link Budget: 29.0 dB

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