1250M 单模1550nm 20km SFP BIDI光模块

Product Features
● Uncooled Laser Diodewith MQW Structure
● InGaAs PIN-TIA Photodiode Receiver
● 9/125μm SMF
● BIDI Single Mode Transceiver SFP Footprint
● LC Or SC Optical Interface Are Optional
● Compliant With SFP MSA and SFF-8472
● Digital Diagnostic Monitoring Interface
● Single +3.3V Power Supply
● CML Differential Inputsand Outputs
● LVTTL Signal Detection Output
● Compliant With ITU-TG.957
● Compliant With RoHS and LeadFree
● Metal Enclosure for Lower EMI
● Operating Case Temperature:
      Standard: 0 to +70℃
      Extend: -20 to +85℃
      Industrial: -40 to +85℃

Product Applications
● Fast Ethernet
● 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-Bxx12-20D	0	+70	°C
		BYCS-Bxx12-20DE	-20	+85	°C
		BYCS-Bxx12-20DI	-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-Bxx12-20D	0	–	+70	°C
		BYCS-Bxx12-20DE	-20	–	+85	°C
		BYCS-Bxx12-20DI	-40	–	+85	°C
Power Supply Voltage	VCC		3.1	3.3	3.5	V
Power Supply Current	ICC		–	–	300	mA
Data Rate	DR		–	155	–	Mbps

Optical Specification

Transmitter
Parameter		Symbol	Min	Typ	Max	Unit	Note
Center Wavelength	1310 FP	匕C	1261	1310	1360	nm
	1550		1501	1550	1600
Spectral Width	1310nmFP	夕 匕	–	–	4	nm	–
	1550nm DFB				1
Average Optical Output Power		Po	-9	–	-3	dBm	20KM
Extinction Ratio		ER	9	–	–	dB	–
Optical Rise/Fall Time(20%-80%)		Tr/Tf	–	–	0.27	ns	–
Output Eye Diagram		Compliant with ITU-T G.957
Receiver
Parameter		Symbol	Min	Typ	Max	Unit	Note
Operate Wavelength	1550	–	1501	1550	1600	nm
	1310	–	1261	1310	1360	nm
Receiver Sensitivity		RSENS	–	–	-24	dBm	1
Receiver Saturation		PRS	-3	–	–	dBm	1
LOS Assert		–	-40	–	–	dBm	Alarm: High-level
LOS De-Assert		–	–	–	-24	dBm
LOS Hysteresis		–	0.5	–	5	dBm	–

Electrical Specification

Transmitter
Parameter		Symbol	Min	Typ	Max	Unit	Note
Power Supply Current		ICCT	–	70	150	mA	2
Input Differential Impedance		ZIN	90	100	110	Ω	–
Input Swing Differential Voltage		VIN	500	–	2400	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	140	mA	2
Output Swing Differential Voltage		VOUT	600	–	2000	mV	4
LOS Voltage	High	–	2.0	–	VCC	V	–
	Low	–	0	–	0.8	V	–

Note: 
1. Minimum Sensitivity and saturation levels for a 223-1 PRBS test pattern @155Mbps.
2. The current excludes the output load current.
3. CML input, internally AC-coupled and terminated
4. Internally AC-coupled.
4. Internally AC-coupled.

Package Diagram
Board Layout Hole Pattern

LC Side Interface

SCSide Interface

Order Information

产品型号	封装-B	波长(-xx)	速率(xx)	传输距离 (-xx)	x	等级(x)
BYCS-B1312- 20Dxx/ BYCS-B1512- 20Dxx	SFP BIDI	13=Tx1310/ Rx1550FP   15=Tx1550/ Rx1310FP   15=Tx1550/ Rx1310DFP	12=1.25GBP/s	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

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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. available from any F-tone Networks sales representative.tone Networks or others. Further details are available from any F-tone Networks sales representative.Networks sales representative.one Networks sales representative.one Networks or others. Further details are available from any F-tone Networks sales representative.s sales representative.