Receiver Optical Sub-Assemblies (ROSAs)
  • GN3050
  • 10Gb/s ROSA for 10km Applications
  • GN3052
  • 10Gb/s ROSA for LRM and Linear Applications
  • GN3150
  • 10 Gb/s ROSA for Short Reach 850nm Applications
  • GN3352
  • 10Gb/s APD ROSA
Semtech GN3250

Semtech GN3250

10Gb/s ROSA for 40km Applications

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The GN3250 long wave (LW) ROSA product is a single mode fiber solution used in city-to-city applications with a 40 kilometer range.

With an operating wavelength of 1550 nm, the LW ROSA solution delivers high optical return loss performance of >27dB, which is critical for longer range applications. Additionally, it achieves an industry-leading stress sensitivity of -21 dBm with an overload of +1.6 dBm and a gain of 10 kOhm


  • Single +3.3V power supply
  • Integral InP photodiode
  • Optical wavelength range 1265~1610nm
  • Operates from 9.95 Gbps to 11.3 Gbps NRZ rates


  • 10GBASE-LR
  • 10GBASE-ER
  • SONET OC-192 IR-2

Order Codes

  • GN3250-3EB7AM6E3: LC with No Flex
  • GN3250-3EB7AM7E3: LC with XMD v2 Flex
  • GN3250-3EB7AM8E3: LC with XMD v5 Flex
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