25G 850nm SFP28光模块, 100m 带/不带 FEC 或 300m 带 FEC（工业级） - 北亿纤通|F-tone Networks-全球光芯片光器件光模块光通信系统产品领导者!

applications which operate at 25.78125 Gbps up to 70 m using OM3 fiber and 100 m using OM4 fiber without FEC or 300m OM4 with KR-FEC. This module is designed to operate over multimode fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 20 contact edge type connector. The optical interface uses duplex LC receptacle. This module incorporates F-tone Networks proven circuit and VCSEL technology to provide reliable long life, high performance, and consistent service.

Features
● Hot-pluggable SFP28 form factor
● Supports 25.78125Gbps data rate
● Maximum link length of 70m on OM3 MMF and 100m on OM4 MMF w/o FEC or 300m OM4 MMF with FEC
● 850nm VCSEL laser and PIN photo-detector
● Internal CDR on both Transmitter and Receiver channel
● Duplex LC receptacle
● Single 3.3V power supply
● Power dissipation < 1W
● Digital diagnostics functions are available via the I2C interface
● RoHS 2.0 compliant
● Case temperature range: -40°C to 85°C

Applications
● 25GBASE-SR 25G Ethernet

Absolute Maximum Ratings
Table1 – Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	0	3.6	V
Storage Temperature	Ts	-40	+85	°C
Operating Humidity	–	5	85	%

Recommended Operating Conditions
Table2 – Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Operating Case Temperature	Tc	-40		85	°C
Power Supply Voltage	Vcc	3.13	3.3	3.47	V
Power Supply Current	Icc			300	mA
Fiber Length on 50/125μm high-bandwidth (OM4) MMF				300	m

Optical and Electrical Characteristics
Table 3 – Optical and Electrical Characteristics

Parameter		Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Data rate			BR		25.78125		Gbps
Centre Wavelength			λc	840	850	860	nm
Spectral Width (-20dB)			σ			0.6	nm
Average Output Power			Pavg	-8.4		2.4	dBm
Optical Power OMA			P_OMA	-6.4		3	dBm
Extinction Ratio			ER	2			dB
Differential datainput swing			V_IN,PP	40		1000	mV
Input Differential Impedance			Z_IN	90	100	110	Ω
TX Disable	Disable			2.0		Vcc	V
TX Disable	Enable			0		0.8	V
TX Fault	Fault			2.0		Vcc	V
TX Fault	Normal			0		0.8	V
Receiver
Data rate			BR		25.78125		Gbps
Centre Wavelength			λc	840	850	860	nm
Stressed Sensitivity (OMA)				–	–	-5.2	dBm
Receiver Power (OMA)						3	dBm
LOS De-Assert			LOS_D			-13	dBm
LOS Assert			LOS_A	-30			dBm
LOS Hysteresis				0.5			dB
Differential data output swing			Vout,PP	300		850	mV
LOS			High	2.0		Vcc	V
LOS			Low			0.8	V

Notes:Receive Sensitivity measured with a prbs31 pattern @25.78125Gb/s, BER 1E-12;

Mechanical Dimensions

Ordering Information

Part Number	Product Description
FTCS-8525G-02DI	SFP28 SR, 25.78125Gb/s, 850nm, 100m, OM4 MMF w/o FEC or 300m OM4 MMF with FEC, -40℃ to -85℃

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
企业传真：028-85977702

注：本产品有全国产化型号可选

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. 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.