SFP-C12xxL-80 1.25G SFP CWDM 80KM

Optical SFP Module

1.25Gbps SFP Transceiver CWDM 1270-1610nm 80km LC

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1.25Gbps SFP Transceiver CWDM 1270-1610nm 80km LC



  • Up to 1.25Gbps data links
  • 18 CWDM DFB wavelengths laser and PIN photodetector for 80km transmission
  • Compliant with SFP MSA and SFF-8472 with Duplex LC receptacle
  • Digital Diagnostic Monitoring: Internal Calibration or External Calibration
  • +3.3V single power supply
  • Compatible with SONET
  • Compatible with RoHS
  • Operating case temperature: 0 to +70°C



  • SDH and SONET system
  • Fiber Channel
  • Switch to Switch interface
  • Switched backplane applications
  • Router/Server interface
  • Other optical transmission systems



The SFP transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 80km transmission distance with SMF.

The transceiver consists of three sections: a CWDM DFP laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

The transceivers are compatible with SFP Multi-Source Agreement (MSA). For further information, please refer to SFP MSA.


Wavelength Selection

Wavelength xx Clasp Color Code Wavelength xx Clasp Color Code
1270 nm 27 Gray 1370 nm 37 Green
1290 nm 29 Gray 1390 nm 39 Yellow
1310 nm 31 Gray 1410 nm 41 Orange
1330 nm 33 Purple 1430 nm 43 Red
1350 nm 35 Blue 1450 nm 45 Brown
1470 nm 47 Gray 1550 nm 55 Yellow
1490 nm 49 Purple 1570 nm 57 Orange
1510 nm 51 Blue 1590 nm 59 Red
1530 nm 53 Green 1610 nm 61 Brown


Absolute Maximum Ratings

Parameter Symbol Min Max Unit
Supply Voltage Vcc -0.5 4 V
Storage Temperature Ts -40 +85 °C
Operating Humidity 5 85 %


Recommended Operating Conditions

Parameter Symbol Min Typical Max Unit
Operating Case Temperature Tc 0 +70 °C
Power Supply Voltage Vcc 3.13 3.3 3.47 V
Power Supply Current Icc 300 mA
Data Rate 1.25 Gbps
Fiber Length 9/125μm core SMF 80 km


Ordering information

Model No. Product Description
SFP-C12xxL-80 1.25G, CWDM, 1270~1610nm, LC, 80km, 0ºC ~ +70ºC, with DDM
SFP-C12xxL-80I 1.25G, CWDM, 1270~1610nm, LC, 80km, -40ºC ~ +85ºC, with DDM
xx= 27,29,31,33,… to 61, which 27=1270nm, 29=1290nm, and 61=1610nm



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