1.5 µm Cooled DFB MSA TOSA, 120km, TDM, DWDM & CWDM

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The Broadcom 1610 Series TOSA is a 2.5 Gb/s transmitter optical subassembly (TOSA) integrating a high-speed laser, a monitor photodiode and a micro-TEC in a small form-factor metallized ceramic package. It is designed for use in small form-factor pluggable (SFP) transceivers and other types of optical modules for high-speed telecommunication and data applications.


  • Ultra small form factor 9-pin MSA DFB TOSA
  • Data rates up to 2.7Gb/s
  • For use up to 120 km (2400 ps/nm) at 2.5 Gb/s
  • +2 dBm typical optical output power
  • Wavelength selectable to ITU-T grid wavelengths, C and L band wavelengths
  • Suitable for use in 100GHz channel spacing DWDM systems
    • CWDM versions also available
  • Temperature stabilized
  • Very low power consumption
  • LC receptacle or fiber pigtailed versions available
  • 25 Ohm Single-ended data input
  • Operating case temperature ranges: -5 to +75C and -40 to +85C


  • Cooled DWDM SFP Transceivers
  • CWDM SFP Transceivers
  • SONET/ SDH, GbE & Fibre Channel SFP Transceivers
  • Line cards

Lifecycle Status


Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Active
Distrib. Inventory No
Form Factor MSA
Connector Type Various
Fiber Type Single Mode
Maximum Distance (km) 120
Nominal Optical Wavelength (nm) 1550
Emitter DFB
RoHS6 Compliant Y
Data Rate 2.5 Gb/s