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DFB SMF SFP Optical Transceiver Module High Performance Dual Data Rate

Categories SFP Optical Transceiver Module
Brand Name: E-link China
Model Number: LNK-SFP-2.5G-40
Certification: CE, RoHS, FCC
Place of Origin: Shenzhen, China
MOQ: 1 piece
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 1000000000pcs/Month
Delivery Time: 3-5 working days
Packaging Details: 10 piece in 1 carton box
Data Rate: 2.5G
Connector: LC
Distance: 40KM
Wavelength: 1550nm
Power: 3.3V
Warranty: 2 years
Price: Negotiation
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    • Product Details
    • Company Profile

    DFB SMF SFP Optical Transceiver Module High Performance Dual Data Rate

    2.5G SFP Dual Fiber 1550nm DFB Up to 40km on SMF SFP Optical Transceiver Module

    Features

    • Up to 2.5Gb/s data links
    • 1310nm DFB laser transmitter and APD photo-detector
    • Up to 40km on 9/125μm SMF
    • Hot-pluggable SFP footprint
    • Duplex LC/UPC type pluggable optical interface
    • Metal enclosure, for lower EMI
    • RoHS compliant and lead-free
    • Support Digital Diagnostic Monitoring interface
    • Single +3.3V power supply
    • Compliant with SFF-8472
    • Operating case temperature:

    Commercial : 0 to +70°C

    Industrial : -40 to +85°C


    Applications

    • Switch to Switch Interface
    • Gigabit Ethernet
    • Switched Backplane Applications
    • Router/Server Interface
    • Other Optical Links

    Description

    The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 2.5Gbps and 40km transmission distance with SMF.

    The transceiver consists of three sections: a DFB laser transmitter, a APD 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) and SFF-8472. For

    further information, please refer to SFP MSA.


    Absolute Maximum Ratings

    Table 1 - Absolute Maximum Ratings

    ParameterSymbolMinMaxUnit
    Supply VoltageVcc-0.54.5V
    Storage TemperatureTs-40+85°C
    Operating Humidity-585%

    Recommended Operating Conditions

    Table 2 - Recommended Operating Conditions

    ParameterSymbolMinTypicalMaxUnit
    Operating Case TemperatureStandardTc0+70°C
    Industrial-40+85°C
    Power Supply VoltageVcc3.133.33.47V
    Power Supply CurrentIcc300mA
    Data Rate2.5Gbps

    Optical and Electrical Characteristics

    Table 3 - Optical and Electrical Characteristics

    ParameterSymbolMinTypicalMaxUnitNotes
    Transmitter
    Centre Wavelengthλc128013101340nm
    Spectral Width (-20dB)∆λ1nm
    Side Mode Suppression RatioSMSR30dB
    Average Output PowerPout-2+3dBm1
    Extinction RatioER9dB
    Optical Rise/Fall Timetr/tf0.16ns
    Data Input Swing DifferentialVIN4001800mV2
    Input Differential ImpedanceZIN90100110Ω
    TX DisableDisable2.0VccV
    Enable00.8V
    TX FaultFault2.0VccV
    Normal00.8V
    Receiver
    Centre Wavelengthλc12601580nm
    Receiver Sensitivity-28dBm3
    Receiver Overload-9dBm3
    LOS De-AssertLOSD-30dBm
    LOS AssertLOSA-40dBm
    LOS Hysteresis14dB
    Data Output Swing DifferentialVout3701800mV4
    LOSHigh2.0VccV
    Low0.8V

    Notes:

    1. The optical power is launched into SMF.

    2. PECL input, internally AC-coupled and terminated.

    3. Measured with a PRBS 27-1 test pattern @2500Mbps, BER ≤1×10-12

    4. Internally AC-coupled.


    Timing and Electrical

    Table 4 - Timing and Electrical

    ParameterSymbolMinTypicalMaxUnit
    Tx Disable Negate Timet_on1ms
    Tx Disable Assert Timet_off10µs
    Time To Initialize, including Reset of Tx Faultt_init300ms
    Tx Fault Assert Timet_fault100µs
    Tx Disable To Resett_reset10µs
    LOS Assert Timet_loss_on100µs
    LOS De-assert Timet_loss_off100µs
    Serial ID Clock Ratef_serial_clock400KHz
    MOD_DEF (0:2)-HighVH2VccV
    MOD_DEF (0:2)-LowVL0.8V

    Diagnostics

    Table 5 – Diagnostics Specification

    ParameterRangeUnitAccuracyCalibration
    Temperature0 to +70°C±3°CInternal / External
    -40 to +85
    Voltage3.0 to 3.6V±3%Internal / External
    Bias Current0 to 100mA±10%Internal / External
    TX Power-2 to +3dBm±3dBInternal / External
    RX Power-30 to -9dBm±3dBInternal / External
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