1.25G 1310nm 40KM SFP光模块

Product Features
● Uncooled Laser Diode with MQW Structure
● InGaAs PIN-TIA Photodiode Receiver
● Reach 40 km Transmission Distance on 9/125μm SMF
● DUAL Single Mode Transceiver SFP Footprint LC Optical Interface
● Compliant With SFP MSA and SFF-8472
● Digital Diagnostic Monitoring Interface
● Single +3.3V Power Supply
● LVPECL Differential Inputs and Outputs
● LVTTL Signal Detection Output
● Compliant With ITU-T G.957
● Compliant With RoHS and Lead Free
● Metal Enclosure for Lower EMI
● Operating Case Temperature:
● Operating Case Temperature:
      Standard: 0 to +70°C
      Extend: -20 to +85°C
      Industrial: -40 to +85°

Product Applications
● Gigabit Ethernet
● Fiber Channel
● ATM/SONET/SDH/Switch/Router
● Other Optical Transmission Systems

Absolute Maximum Ratings

Parameter	Symbol		Min	Max	Unit
Storage Temperature	Tst		-40	+85	°C
Operating Temperature	TO	BYCS-1312-40D	0	+70	°C
		BYCS-1312-40DE	-20	+85	°C
		BYCS-1312-40DI	-40	+85	°C
Input Voltage	–		GND	VCC	V
Power Supply Voltage	VCC-VEE		0	+3.6	V

 Note: Stress in excess of maximum absolute ratings can cause permanent damage to the module.

Recommended Operating Conditions

Parameter	Symbol		Min	Typ	Max	Unit
Storage Temperature	Tst		-40	–	+85	°C
Operating Case Temperature	TC	BYCS-1312-40D	0	–	+70	°C
		BYCS-1312-40DE	-20	–	+85	°C
		BYCS-1312-40DI	-40	–	+85	°C
Power Supply Voltage	VCC		3.1	3.3	3.5	V
Power Supply Current	ICC		–	–	300	mA
Data Rate	DR		–	1.25	–	Gbps

 Optical Specification

Transmitter
Parameter		Symbol	Min	Typ	Max	Unit	Note
Center Wavelength	1310 DFB	λC	1291	1310	1330	nm	–
Spectral Width	DFB	Δλ	–	–	1	nm	–
Side Mode Suppression Ratio		SMSR	30	–	–	dB	DFB Laser
Average Optical Output Power		Po	-3	–	2	dBm	–
Extinction Ratio		ER	8.2	–	–	dB	–
Optical Rise/Fall Time(20%-80%)		Tr/Tf	–	–	0.28	ns	–
Output Eye Diagram		Compliant with ITU-T G.957
Receiver
Parameter		Symbol	Min	Typ	Max	Unit	Note
Operate Wavelength		–	1261	–	1620	nm	–
Receiver Sensitivity		RSENS	–	–	-24	dBm	1
Receiver Saturation		PRS	-3	–	–	dBm	1
LOS Assert		–	-35	–	–	dBm	Alarm : High-level
LOS De-Assert		–	–	–	-24	dBm
LOS Hysteresis		–	0.5	–	5	dBm	–

Note: 1. Minimum Sensitivity and saturation levels for a 2⁷–1 PRBS test pattern @1250Mbps.

Electrical Specification

Transmitter
Parameter		Symbol	Min	Typ	Max	Unit	Note
Power Supply Current		ICCT	–	70	160	mA	2
Input Differential Impedance		ZIN	90	100	110	Ω	–
Input Swing Differential Voltage		VIN	350	–	1600	mV	3
TX-Disable Voltage	Disable	–	2.0	–	VCC	V	–
	Enable	–	0	–	0.8	V	–
TX-Fault Voltage	Fault	–	2.0	–	VCC	V	–
	Normal	–	0	–	0.8	V	–
Receiver
Parameter		Symbol	Min	Typ	Max	Unit	Note
Power Supply Current		ICCR	–	70	150	mA	2
Output Swing Differential Voltage		VOUT	350	–	1600	mV	4
LOS Voltage	High	–	2.0	–	VCC	V	–
	Low	–	0	–	0.8	V	–

 Note: 

2. The current excludes the output load current.
3. CML input, internally AC-coupled and terminated.
4. Internally AC-coupled.

Package Diagram
Board Layout Hole Pattern

LC Side Interface

Order Information

产品型号	封装	波长(-xx)	速率(xx)	传输距离  (-xx)	x	等级(x)
BYCS-1312-40Dxx	SFP	13=1310nm  15=1550nm	12=1.25G	20=20km  40=40km	空 不带DDM  D 带DDM	空 商业级  E 扩展级  I 工业级

北亿纤通 | F-tone Networks

企业邮箱： sales@f-tone.com
企业手机：19081343401
企业电话：028-85255257
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注：本产品有全国产化型号可选
本产品仅展示部分参数，如有需要，请您联系我们。

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.