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Fiberroad Technology Co., Limited

1.25Gb/s 40Km LC BiDi SFP Transceiver With 1310nm Tx / 1550nm Rx

1.25Gb/s 40Km LC BiDi SFP Transceiver With 1310nm Tx / 1550nm Rx

Product Details:

Place of Origin: China
Brand Name: Fiberroad
Certification: CE FCC ROhs
Model Number: FB-3512-40

Payment & Shipping Terms:

Minimum Order Quantity: 1pair
Price: Pls send request details
Packaging Details: Standard neutral or brand packing
Delivery Time: 2-3 workdays
Payment Terms: T/T, Western Union, L/C
Supply Ability: 10000pcs/Month
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Detailed Product Description
Product Name: Optical Transceiver Module Wavelength: 1310nm/1550nm
Type: SFP Connector: LC
Data Rate: 1.25Gbps Usage: Gigabit Ethernet

1.25Gb/s 40Km LC BiDi SFP Transceiver With 1310nm Tx / 1550nm Rx


FIBERROAD’s FB-3512-40 Transceiversare 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 usesa PIN receiver and the transmitter usesa 1310 nm DFB laser, up to 21dB link budge ensure this module 1000Base-EX Ethernet 40km application.

1.25Gb/s 40Km LC BiDi SFP Transceiver With 1310nm Tx / 1550nm Rx1.25Gb/s 40Km LC BiDi SFP Transceiver With 1310nm Tx / 1550nm Rx


² Up to 1.25Gb/s Data Links

² Hot-Pluggable

² Single LC connector

² Up to 40 km on 9/125μm SMF

² 1310nm DFB laser transmitter

² 1550nm PIN photo-detector

² Single +3.3V Power Supply

² Monitoring Interface Compliant with SFF-8472

² Maximum Power <1W

² Industrial /Extended/ Commercialoperating temperaturerange: -40°C to 85°C/-5°C to 85°C/-0°C to 70°C Version available

² RoHS compliant and Lead Free



² 1000Base-EX Ethernet

² Metro/Access Networks

² 1×Fibre Channel

² Other Optical Links



l 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 -2   +3 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 TXΔ 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  



Order Information

Part Number Data Rate Reach TX(dBm) RX(dBm)
FB-3512-20 1.25Gbps 20km 1310nm FP,-9~-3 1550nm PIN,<-20
FB-5312-20 1.25Gbps 20km 1550nm DFB,-9~3 1310nm PIN,<-20
FB-3512-40 1.25Gbps 40km 1310nm DFB,-5~0 1550nm PIN,<-24
FB-5312-40 1.25Gbps 40km 1550nm DFB,-5~0 1310nm PIN,<-24
FB-4512-80 1.25Gbps 80KM 1490nm DFB,0~3 1550nm PIN,<-26
FB-5412-80 1.25Gbps 80KM 1550nm DFB,0~3 1490nm PIN,<-26
FB-4512-120 1.25Gbps 120km 1490nm DFB,0~5 1550nm APD,<-32
FB-5412-120 1.25Gbps 120km 1550nm DFB,0~5 1490nm APD,<-32
FB-3524-20 2.488Gbps 20km 1310nm DFB,-5~0 1550nm PIN,<-18
FB-5324-20 2.488Gbps 20km 1550nm DFB,-5~0 1310nm PIN,<-18
FB-4524-40 2.488Gbps 40km 1490nm DFB,-2~3 1550nm PIN,<-24
FB-5424-40 2.488Gbps 40km 1550nm DFB,-2~3 1490nm PIN,<-24
FB-4524-80 2.488Gbps 80km 1490nm DFB,0~5 1550nm APD,<-28
FB-5424-80 2.488Gbps 80km 1550nm DFB,0~5 1490nm APD,<-28



We provide OEM/ODM service to our customers,Our price is far lower than our competitors due to our good material sourcing at lower cost. All our fiber transceivers are 100% compatible with major brands like Cisco, Huawei, Extreme, HP, Finisar, Broadcom, Foundry, Alcatel, D-link, Enterasys, Netgear, Juniper, Nortel, Linksys, Allied, Zyxel, Dell, Redback, H3C, ZTE, Ruijie, Ciena , Alcatel-lucent, etc.


We will work hard to fit your minimum quantity orders and also organized and schedule all shipping to your office.


Contact Details
Fiberroad Technology Co., Limited

Contact Person: peter

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