850nm SFP 25G SR Fiber Optic Transceiver, 150m MM SFP Module LC Connector, Duplex Core,DDM

Description

SFP28-25G-SR Features

• Supports 24.3Gbps to 28.1Gbps bit rates
• 850nm VCSEL Laser and PIN photo-detector
• Up to 70m on 50/125µmMMF(OM3)
• Up to 100mon 50/125µm MMF(OM4)
• Duplex LC receptacle optical interface compliant
• Hot pluggable fiber transceivers
• All-metal housing for superior EMI performance
• RoHS6 compliant (lead free)
• Operating case temperature

SFP 25G SR S Application

• Connection from data center servers to TOR switches;
• 5G fronthaul network connects the DU (distributed unit) and AAU (radio unit) of the base station;
• SFP28 is backward compatible with SFP+ (10G) or SFP (1G) modules, facilitating the phased upgrade of the network.

Standards

• Compliant with INF-8431
• Compliant with SFF-8472
• Compatible with IEEE802.3by

Optical Parameters

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section
Centre Wavelength	λc	840	–	860	nm
Spectral Width (RMS)	σ			0.6	nm
Average Optical Power (avg.)	Pout	-6.7		+2.4	dBm	1
Laser Off Power	Poff	–	–	-30	dBm
Extinction Ratio	ER	2	–	–	dB	2
Relative Intensity Noise	RIN	–	–	-130	dB/Hz
Optical Return Loss Tolerance		–	–	12	dB
Vertical Eye Closure Penalty	CEVPQ			3.13	dB
Output Optical Eye	Compliant with IEEE802.3by eye masks when filtered					2
Receiver Section
Receiver Center Wavelength	λc	840	–	860	nm
Receiver in Average Power		-10		2	dBm
Receiver sensitivity(OMA)	Sen			-10	dBm	3
Los Assert	LOSA	-26	–	–	dBm
Los Dessert	LOSD	–	–	-13	dBm
Los Hysteresis	LOSH	0.5	–	5	dB
Overload	Pin-max	–	–	2	dBm	3
Receiver Reflectance		–	–	-12	dB
Receiver Power (damage)		–	–	3	dBm

Notes:

1. The optical power is launched into 50/125µm MMF.
2. Measured with a PRBS 2³¹-1test pattern @25.78Gbps.
3. 3. Measured with a PRBS 2³¹-1test pattern @78bps, ER=4.8dB, BER <10^–5.

 

Mechanical Dimension

 

Ordering Information

Part Number	Product Description
SFP28-25G-SR	850nm, 25Gbps, 100m (MMF OM4), Duplex LC SFP28 Transceiver, -5ºC ~ +70ºC, With DDM.