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    1.25G 20KM 1310nm Dual Fiber Single mode SFP module

    Short Description:

     Multi-sourced SFP package with dual LC/PC receptacles;

    √ Single mode dual fiber transmission

     Up to 20~80Km with 9/125μm SMF;

     AC coupled for Rx and Tx side

     0°C to +70°C for commercial level, -40°C to +85°C for industrial level;

    √ operates at data rate 1.25Gbps;

     Complies with MIL-STD-883/GR-468

     Complies with lots of brands of switch such as cisco h3c…….

     Can be with or without DDM


    Product Detail

    Parameters

    Applications

    video

    Product Tags

    Note1: l:1270,1290,1310,1330,1350,1370,1390,1410,1430,1450,1470,1490,1510,1530,1550,1570,1590,1610.nm

    2 Receiver   T=25, Vcc=3~3.6V (+3.3V) 1.25G

    Parameter Symbol Min. Typ Max. Unit
     Wavelength Range  lc  1100    1610  nm
     Sensitivity 0~20km  1.25G Pin  PMIN - -24 -23     dBm
    40km Pin - -25 -24
    80km Pin - -27 -26
    MAX. Input Power (Saturation) PMAX   -3 - -
    Signal Detect Assert PA - - -24
    Signal Detect De-assert PD -34 - -
    Signal Detect Hysteresis PHYS 1 - 4
    Supply Current ICCR - - 150 mA
    Data Output Swing Differential Vout 400 - 1000 mV
    Signal Detect Voltage - High VSDHC 2.0 - VCC  V
    Signal Detect Voltage - Low VSDL 0 - 0.8

    Notes:

    switch from a high state to a low state.

    1)Value of output power and sensitivity can be customized according to the demand

    Ordering Information

    Example

    DSFP 49 24-C 1 2 LC - 80

    Sign Mean Description
    DSFP

    Module type

    DSFP= Dual fibers SFP SFP=Single fiber SFP
    49

    Center wave

    30=1310tx/NO rx 50=1550tx/NO RX CWDM Like 49=1490 CWDM TX 1100~1610 RX
    24 date Rate 03=155M 12=622M 24=1.25G 48=2.5G 60=3.125G
    C Laser type F=FP D=DFB C=CWDM V=VCSEL
    1

    Operating T

    1=-20~+70℃ 2=-40~+85℃  
    1 DDMI 1=NO DDM 2=DDMI  
    LC Connector SC=SC LC=LC  
     80  Distance 022=220M 055=550M 5=5KM 10=10KM
    20=20KM 40=40KM 80=80KM 100=100KM

    Example

    DSFP 3X 24-0 12 LC - 80

    Sign Mean Description
    DSFP

    Module type

    DSFP= Dual fibers SFP SFP=Single fiber SFP
    3X

    Center wave

    88=850NM T&R 3x=1310 tx/1100~1610 RX CWDM Like 49=1490 CWDM TX 1100~1610 RX
    24 date Rate 03=155M 12=622M 24=1.25G

    48=2.5G

    60=3.125G
    0 Laser type 0=no LD      
    1

    Operating T

    1=-20~+70℃ 2=-40~+85℃  
    2 DDMI 1=NO DDM 2=DDMI  
    LC Connector SC=SC LC=LC  
     20  Distance 022=220M 055=550M

    5=5KM

    10=10KM
    20=20KM 40=40KM

    80=80KM

    100=100KM

    Typical products

     Part No.  Wavelength Con- nector  Temp. TXPower (dBm) RX Sens(Max.) (dBm) DD MI  Distance
    DSFP3X24-F11LC-20 T 1310FP/rx 1100~1610

    LC

    -20 to 70 -9 to-0 -23 F 20km
    DSFP5X24-D12LC-40 T 1550DFP /R 1100~1610

    LC

    -20 to 70 -5~0 -24 T 40KM
     DSFP6124-C12LC-80 T 1610 CWDM/ R1100~1610  

    LC

     -20 to 70  -3 to 2  -26  T  80km

    Designing notice

    001

    DSFP Pin description

    Pin

    Descriptions Pin Descriptions

    1

    VEET Transmitter Ground (Common with Receiver Ground) 1

    2

    TFAULT Transmitter Fault. 2

    3

    TDIS Transmitter Disable. Laser output disabled on high or open. 3

    4

    MOD_DEF(2) Module Definition 2. Data line for Serial ID. 4

    5

    MOD_DEF(1) Module Definition 1. Clock line for Serial ID. 4

    6

    MOD_DEF(0) Module Definition 0. Grounded within the module. 4

    7

    Rate Select No connection required  

    8

    LOS Loss of Signal indication. Logic 0 indicates normal operation. 5

    9

    VEER Receiver Ground (Common with Transmitter Ground) 1

    10

    VEER Receiver Ground (Common with Transmitter Ground) 1

    11

    VEER Receiver Ground (Common with Transmitter Ground) 1

    12

    RD- Receiver Inverted DATA out. AC Coupled  

    13

    RD+ Receiver Non-inverted DATA out. AC Coupled  

    14

    VEER Receiver Ground (Common with Transmitter Ground) 1

    15

    VCCR Receiver Power Supply  

    16

    VCCT Transmitter Power Supply  

    17

    VEET Transmitter Ground (Common with Receiver Ground) 1

    18

    TD+ Transmitter Non-Inverted DATA in. AC Coupled.  

    19

    TD- Transmitter Inverted DATA in. AC Coupled.  

    20

    VEET Transmitter Ground (Common with Receiver Ground) 1

    Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)

    002

    SFP Host Board Mechanical Layout


    Absolute Maximum Ratings

    Parameter Symbol Min Max Unit
    Storage Temperature TS -40 +85
     Operating Temperature  TOP Commercial level -20 +70  
    industrial level -40 85
    Supply Voltage VCC -0.5 +4.5 V
    Voltage on Any Pin VIN 0 VCC V
    Soldering Temperature ,Time - 260℃, 10 S ℃,S

     Recommended Operating Conditions

    Parameter Symbol Min. Typ Max. Unit
     Ambient Temperature  TAMB Commercial level 0 - 70  
    industrial level -40 85
    Power Supply Voltage V CC-VEE 3 3.3 3.6 V

     Operating Conditions

    1 TransmitterT=25, Vcc=3~3.6V (+3.3V)) 1.25G

    Parameter Symbol Min. Typ Max. Unit
     Center Wavelength  lc  FP OR DFB 1520 1550 1580  nm
    1280 1310 1340
    CWDM l-6 l(note1) l+6
     Spectral width  △l FP@RMS - 1 2  nm
    DFB@-20dBFWHM - - 1
    Side Mode Suppression Ratio SMSR (DFB only) 30 dB
     Output Power 0~20km 1310 FP  Po -9 - -3  dBm
    20km 1550 DFB -9 - -0

     

    CWDM

    -9

    -

    -0

     40km 1550 DFB

    -5

    0

    CWDM

    -5

    0

     80km 1550 DFB

    -3

    2
    CWDM

    -3

    2
    Extinction Ratio ER 1.25G 9 -

    dB

    Supply Current ICCT -

    150

    mA

    Input Differential Impedance Rin 100

    Data Input Swing Differential Vin

    300

    1200

    mV

    Optical Modulation Amplitude OMA

    174

    μW

    Transmit Disable Voltage VD

    2.0

    Vcc

    V

    Transmit Enable Voltage VEN 0

    0.8

    V

    Transmit Disable Assert Time

    10

    us

    Optical Rise/Fall Time Tr/ Tf (20-80%) 150

    260

    ps

    Deterministic Jitter Contribution TX ΔDJ

    51.7

    ps

    Total Jitter Contribution TX ΔTJ

    90

    ps

    Output Optical Eye IUT-T G.957 Compliant

    Switch

    Video monitor system Telecommunication system

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