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SFP28 25G CWDM 10km LC DX Transceiver
25Gbps SFP28 CWDM Transceiver
Model:JFTSM-SFP28-25-CW-10-LCD
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Product Specification
Data Sheets

 
  Product model   JFTSM-SFP28-25-CW-10-LCD   Manufacturer brand   JFOPT
  Package type   SFP28   Optical connector   Duplex LC
  Max data rate   25.78G   Channel data rate   14.025Gbps
  Effective transmission distance   10km
  Wavelength  1270/1290/1310/1330/1350/1370/
 1470/1490/1510/1530/1550/1570nm
  Operating voltage   3.3V
  Fiber type   SMF   Core size   9/125
  Transmitter type   DFB CWDM   Receiver type   PIN
  TX power   0~6dBm   Receiver sensitivity   <-14dBm
  Digital optical monitoring(DOM)   YES   Receiver overload   -
  Power consumption   1.3W   Protocols   MSA,CPRI, eCPRI
  Operating temperature(Commercial)   0℃~+70℃   Storage temperature(Commercial)   -40℃~+85℃


 

PRODUCTION LINE INTRODUCTION
 
 

JFOPT continues to invest in optical transceiver production, covering a full range of optical transceiver such as 1*9, SFP, 10G, 25G, 100G, 200G, 400G, 800G GPON/EPON/XG/XGSPON OLT transceiver. At the same time, our company provides TOSA, ROSA, BOSA semi-finished device solutions for the downstream peer. JFOPT's production line has a daily production capacity of 10,000 optical transceivers and 20,000 optical devices. In addition, JFOPT's optical transceiver have industry-leading high temperature resistance and anti-interference capability, and are widely used in computing centers, operators, traffic security, power facilities and other industries.





PRODUCT PRESENTATION
 
 

The JFOPT SFP28 25G CWDM 10km LC DX transceiver is a high-performance module designed for 25GBase-CWDM connectivity, delivering data rates of up to 25Gbps over single-mode fiber (SMF) with a range of 10km. Operating within a wavelength range of 1270nm to 1370nm and utilizing an LC duplex connector, this transceiver is ideal for 25G Ethernet, telecom, and data center applications.Fully compliant with the SFP28 MSA, CPRI, and eCPRI standards, it ensures seamless integration and reliable performance in high-speed network environments.






TRANSCEIVER SERIES PRODUCTS
 
 





PRODUCTION & TESTING EQUIPMENT
 
 





FEATURES
 
 
Universal SFP28 MSA package with duplex LC connector Uncool DML laser and PlN photodetector
International class 1 laser safety certifled  




APPLICATION
 
 
25GBASE ethernet CPRI option 10 / eCPRI




STANDARD COMPLIANCE
 
 

 


ABSOLUTE MAXIMUM RATINGS
 
 
Parameter Symbol Min. TyP. Max. Unit
Storage temperature TS -40  - 85  °C
Supply currnt TS - - 330  mA
Maximum power dissipation PD - - W
Aggregate bit rate ABR 24.33 - 25.78 Gb/s
Operating distance - 2 - 10000 m





RECOMMENDED OPERSTING CONDITIONS
 
 
Parameter Symbol Min. TyP. Max. Unit
Operating case temperature TOP - 70  °C
Power supply voltage VCC 3.13 3.3 3.46 V
Instantaneous peak current at hot plug ICC_IP - - 400  mA
Sustained peak current at hot plug ICC_SP - - 330 mA





OPTICAL CHARACTERISTICS
 
 
Parameter Symbol Min. Typ. Max. Unit Note

Transmitter
 
Nominal wavelength λC0 1264.5
1284.5
1304.5
1324.5
1344.5
1364.5
1271
1291
1311
1331
1351
1371
1277.5
1297.5
1317.5
1337.5
1357.5
1377.5
nm -
Side-mode suppression ratio SMSR 37 - - dB -
Spectral width Δλ - - 1 nm -
OFF_average power POFF - - -40 dBm -
Average optical power POUTL 0 - 6 dBm -
Optical modulation amplitude OMA 0 - 6 dBm -
Extinction ratio ER 3.5 - - dB -
Transmitter and dispersion penalt
(1271/1291/1311nm/1331 nm)
TDP - - 3 dB -
Transmitter and dispersion penalty(1351/1371nm) 4.5
Optical return loss tolerance ORLT - - 20 dB -
Eye mask margin - 10@25℃
5@70℃&0℃
- - % 1
Crossing - 40 50 60 % -

Receiver
 
Center wavelength λC0 1271 - 1371 nm -

Parameter Symbol Min. Typ. Max. Unit Note
Overload input optical power PMAX 3 - - dBm -
Receiver sensitivity_OMA BOL - - -14.5 dBm 2
Receiver sensitivity (OMA) EOL - - -14 dBm -
Optical return loss ORL 27 - - dBm -
Receiver reflectance RXR - - -30 dBm -
LOS de-assert LOSD - - -17 dBm -
LOS assert LOSA -30 - - dBm -
LOS hysteresis - 0.5 - 4 dB -

Notes:
1 . EYE Mask Margin test conditions, sample waveform ≥1000 wfms, Hit Ratio 5E-5.
2. Measured with a PRBS 231-1 test pattern @25.78125Gbps, BER≤5E-5.
 





ELECTRICAL CHARACTERISTICS
 
 
Parameter Symbol Min. Typ. Max. Unit
Supply voltage VCC 3.14  3.3 3.46 V
Supply current ICC - - 330 mA

Transmitter
 
Input differential impedance Rin - 100 - Ω
Single ended data input swing VIN 90 - 450 mVp-p
Transmit disable voltage VDIS 2 - VCCHOST+0.3 V
Transmit enable voltage VEN VEE - VEE+0.8 V
Transmit fault assert voltage VFA 2.2 - VCCHOST+0.3 V
Transmitfault de-assert voltage VFDA VEE - VEE+0.4 V

Receiver
 
Single ended data output swing VOD 225 - 375 mVp-p
LOS fault LOS_FT 2.2 - VCCHOST+0.3 V
LOS normal LOS_Nor VEE - VEE+0.4 V





PIN DEFINITIONS
 
 






PIN DESCRIPTION
 
 
Pin No. Symbol Logic Description
1,7,20 VeeT - Connected to signal ground on the host board.
TX fault LVTTL output Module transmitter fault output
TX disable LVTTL input Module transmitter disable control
SDA LVTTL input/output 2-wire serial interface data
SCL LVTTL input/output 2-wire serial interface clock
MOD_ABS - Module absent (connected to module ground)
RS0 LVTTL input Rate select 0 (Rx): Low=CDR Bypass; high=CDR select
LOS LVTTL output Receiver loss of signal
RS1 LVTTL input Rate select 1 (Tx): Low=CDR Bypass; high=CDR select
10,11,14 VeeR - Connected to signal ground on the host board.
12  RD- CML output Receiver inverted data output, internally AC coupled and terminated.
13  RD+ CML output Receiver non-inverted data output, internally AC coupled and terminated.
15  VccR - Receiver power 3.3V supply
16  VccT - Transmitter power 3.3V supply
18  TD+ CML input Transmitter non-inverted data input, internally AC coupled and terminated.
19  TD- LVTTL output Transmitter inverted data Input, internally AC coupled and terminated



 

DIGITAL DIAGNOSTIC MONITORING SPECIFICATIONS
 
 
Parameter Range Accuracy Unit

DDM Accuracy
 
Operating case temperature 0 to 70 ±3
Voltage 3.13 to 3.46 ±3% V
Tx bias current (each lane) 20 to 80 ±10 % mA
Tx output power (each lane) 0 to 6 ±2 dB
Rx power (each lane) -14.5 to 3 ±2 dB

Parameter Comments Unit

DDM alarm & warning threshold
 
Temp high alarm 75
Temp low alarm -5
Temp high warning 70
Temp low warning 0
VCC high alarm 3.63 V
VCC low alarm 2.97 V
VCC high warning 3.46 V
VCC low warning 3.13 V
Tx bias high alarm 100 mA
Tx bias low alarm 10 mA
Tx bias high warning 80 mA
Tx bias low warning 20 mA
Tx power high alarm 8.2 dBm
Tx power low alarm -3 dBm
Tx power high warning 6 dBm
Tx power low warning 0 dBm
Rx power high alarm 5 dBm
Rx power low alarm -16.5 dBm
Rx power high warning 3 dBm
Rx power low warning -14.5 dBm




PRODUCT PACKAGING
 
 




PRODUCT CERTIFICATION
 
 





QUALITY ADVANTAGE
 
 





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