1.25gbps 850nm Multimode 550m SFP Optical Transceiver

• Customization: Available
• Type: Wireless
• Support Network: Ethernet
• Information content: Data
• Certification: CE, ISO, RoHS
• Condition: New
• Data-Rate: 1.25g
• Compliant with: SFP Msa and Sff-8472
• Operating Case Temperature: 0 to +70c
• Transmission Distance: 550m
• Applications: Gigabit Ethernet
• Transport Package: Carton Box
• Specification: 10G
• Trademark: Takfly
• Origin: Shenzhen China

Product Description

1.25Gbps 850nm multimode 550m SFP Optical Transceiver

Description:
The SFP transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 550m transmission distance with MMF.

The transceiver consists of three sections: a VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.

Features:

Data-rate of 1.25Gbps operation850nm VCSEL laser and PIN photodetectorCompliant with SFP MSA and SFF-8472 with duplex LC receptacleDigital Diagnostic Monitoring:Internal Calibration or External Calibration500m transmission with 50/125µm MMF300m transmission with 62.5/125µm MMFCompatible with RoHS+3.3V single power supplyOperating case temperature:Standard :  0 to +70°CExtended : -20 to +85°Cindustrial : -40 to +85°C 
ApplicationsGigabit EthernetFiber ChannelSwitch to Switch interfaceSwitched backplane applicationsRouter/Server interfaceOther optical transmission systems

Absolute Maximum Ratings:
Table 1 - Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	-0.5	4.5	V
Storage Temperature	Ts	-40	+85	°C
Operating Humidity	-	5	85	%

Recommended Operating Conditions
Table 2 - Recommended Operating Conditions

Parameter		Symbol	Min	Typical	Max	Unit
Operating Case Temperature	Standard	Tc	0		+70	°C
			-20		+85
	industrial		-40		+85	°C
Power Supply Voltage		Vcc	3.13	3.3	3.47	V
Power Supply Current		Icc			300	mA
Data Rate				1.25		Gbps

Optical and Electrical Characteristics:

DF -8524-S5x(D):  (VCSEL and PIN, 500m Reach)
Table 3 - Optical and Electrical Characteristics

Parameter		Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Centre Wavelength			λc	830	850	860	nm
Spectral Width (RMS)			λ			0.85	nm
Average Output Power			Pout	-9.5		-3.5	dBm	1
Extinction Ratio			ER	9			dB
Optical Rise/Fall Time (20%~80%)			tr/tf			0.26	ns
Data Input Swing Differential			VIN	400		1800	mV	2
Input Differential Impedance			ZIN	90	100	110	Ω
TX Disable	Disable			2.0		Vcc	V
	Enable			0		0.8	V
TX Fault	Fault			2.0		Vcc	V
	Normal			0		0.8	V
Receiver
Centre Wavelength			λc	770		860	nm
Receiver Sensitivity						-18	dBm	3
Receiver Overload				0			dBm	3
LOS De-Assert			LOSD			-18	dBm
LOS Assert			LOSA	-35			dBm
LOS Hysteresis				1		4	dB
Data Output Swing Differential			Vout	400		1800	mV	4
LOS			High	2.0		Vcc	V
			Low			0.8	V

Notes:
1. The optical power is launched into MMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 27-1 test pattern @1250Mbps, BER ≤1×10-12.
4. Internally AC-coupled.


Ordering information:

Part Number	Product Description
DF-8524-S5C	850nm, 1.25Gbps, 550m,   0ºC ~ +70ºC
DF-8524-S5CD	850nm, 1.25Gbps, 550m,   0ºC ~ +70ºC,  With Digital Diagnostic Monitoring
DF-8524-S5N	850nm, 1.25Gbps, 550m,  -20ºC ~ +85ºC
DF-8524-S5ND	850nm, 1.25Gbps, 550m,  -20ºC ~ +85ºC,  With Digital Diagnostic Monitoring
DF-8524-S5T	850nm, 1.25Gbps, 550m,  -40ºC ~ +85ºC
DF-8524-S5TD	850nm, 1.25Gbps, 550m,  -40ºC ~ +85ºC,  With Digital Diagnostic Monitoring

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