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DFB-LD DDM 1.25Gb/S 40Km LC BIDI SFP Module 1310nm Tx

DFB-LD DDM 1.25Gb/S 40Km LC BIDI SFP Module 1310nm Tx

  • DFB-LD DDM 1.25Gb/S 40Km LC BIDI SFP Module 1310nm Tx
DFB-LD DDM 1.25Gb/S 40Km LC BIDI SFP Module 1310nm Tx
Product Details:
Place of Origin: Hanoi, Vietnam
Certification: FCC,CE,ROHS
Model Number: TSBL1G40D-35/53
Payment & Shipping Terms:
Minimum Order Quantity: 1 Piece
Price: Negotiable
Packaging Details: Packaging Details: 1 or 4PCS /Plastic tray, 1PC/Gift box Delivery Detail: Shipped in 1 days after payment
Supply Ability: 1000 Piece/Pieces per Month
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Detailed Product Description
Data Rate: 1.25Gb/s Distance: 40KM
Power Supply: 3.3V Operating Temperature: 0°c~70°c Or -40°c~85°c
Output Power: -5~0 DBm Wavelength: Tx1310nmRx1550nm
Sensitivity: 23dB DDM Function: Yes
High Light:

40Km LC BIDI SFP Module


1.25Gb/S BIDI SFP Module


DFB LD Single Mode SFP Module

1.25Gb/s 40Km LC BiDi SFP Transceiver, 1310nm Tx/1550nm Rx, DFB-LD, Single-mode, DDM


1. Features:

  Up to 1.25Gb/s Data Links


         Single LC connector

         Up to 40 km on 9/125μm SMF

  1310nm DFB laser transmitter

  1550nm PIN photo-detector

   Single +3.3V Power Supply

   Monitoring Interface Compliant with SFF-8472

   Maximum Power <1W

   Industrial /Extended/ Commercial operating temperature range: -40°C to 85°C/-5°C to 85°C/-0°C to 70°C Version                 available

   RoHS compliant and Lead Free


2. Applications:

        1000Base-EX Ethernet

        Metro/Access Networks

        1×Fibre Channel

  Other Optical Links


3. Description:

         Moduleland’s TSBL1G40D-35 Transceivers are a high performance, cost effective module which have a single LC optics interface. They are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) and Digital diagnostics functions are available via the 2-wire serial bus specified in SFF-8472. The receiver section uses a PIN receiver and the transmitter uses a 1310 nm DFB laser, up to 21dB link budge ensure this module 1000Base-EX Ethernet 40km application.


4. Optical Parameters(TOP = -40 to 85°C, VCC = 3.135 to 3.465 Volts)

Parameter Symbol Min. Typical Max. Unit Note
Transmitter Section:
Center Wavelength λc 1290 1310 1330 nm  
Spectral Width σ     1 nm  
Sidemode Supression ratio SSRmin 30     dB  
Optical Output Power Pout -5   0 dBm 1
Extinction Ratio ER 9     dB  
Optical Rise/Fall Time tr / tf     260 ps 2
Relative Intensity Noise RIN     -120 dB/Hz  
Total Jitter Contribution TX Δ TJ     0.284 UI 3
Eye Mask for Optical Output Compliant with IEEE802.3 z (class 1 laser safety)  
Receiver Section:  
Optical Input Wavelength λc 1530 1550 1570 nm  
Receiver Overload Pol -3     dBm 4
RX Sensitivity Sen     -24 dBm 4
RX_LOS Assert LOS A -40     dBm  
RX_LOS De-assert LOS D     -25 dBm  
RX_LOS Hysteresis LOS H 0.5     dB  
General Specifications:
Data Rate BR   1.25   Gb/s  
Bit Error Rate BER     10-12    
Max. Supported Link Length on 9/125μm SMF@1.25Gb/s LMAX   40   km  
Total System Budget LB 21     dB  

5.  Packaging & Shipping

DFB-LD DDM 1.25Gb/S 40Km LC BIDI SFP Module 1310nm Tx 0


DFB-LD DDM 1.25Gb/S 40Km LC BIDI SFP Module 1310nm Tx 1

Our Services

1. Warranty

Five years Warranty, three monthes free exchange and one year free repairing.

2. OEM, ODM are welcome.

3. Free sample will be provided.

Free samples under a certain value are available,with freight cost collect.

4. Any Inquire is welcome.

Any inquire will be replied within 24 hours.

5. After-sales service.
a. From the beginning of production till the successful delivery, we will track on time and post you the status.
b. When the goods arrived, if you have question after inspection, please feel free to contact us, we'll provide solution.



Q:What payment terms do you accept?

A:T/T,L/C at sight,Western Union are acceptable. Other payment terms are negotiable.

Q:what is the lead time?

A: For standard products,we keep enough stock,cqn ship out in 1-3 days after PO confirmation.For big quantity and special products,Please check lead time with our sales representative.

Q:What are the shipping ways can you offer?

A:For small quantity we ship by Express like DHL,FedEX,TNT,UPS, EMS etc. For large quantity we can use airshipment ot other appointed method by clients.

Q:What euipments can your products be compatible with?

A:Our products can be compatible with all market brand.

Q:How to place an order?

A:1> Confirm order details with our sales representatives.
    2> Proforma Invoice confirmed, the order will be arranged upon receipt of your payment.
    3> Confirm shipping details and dispatch goods, tracking number will be sent to you promptly after the shipment is                 picked up.
    4> We will help to track your goods until you receive them safely.


Contact Details
Moduleland Technology Co., Ltd.

Contact Person: sales

Send your inquiry directly to us
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