Optical Transceiver 850nm 1.25g SFP Optical Modules Gibc

Basic Info.

Model NO.	DT-SFP-850-1.25G-550M
Tx Power	-9~-3dBm
Wavelength	850nm
Rx Sensitivity	-17dBm
Data Rate	1.25g
Distance	550m
Transport Package	Standard Package
Specification	CE, ISO, Rohs
Trademark	DAYTAI
Origin	Zhejiang, China (Mainland)
Production Capacity	8, 000 Piece Per Month

Product Description

Description 850nm 550m 1.25G SFP Optical Transceivers (DT-SFP-850-1.25G-550M),To Be Used On a Series of Switches, Routers, Servers, Network Interface Card Etc,Package:SFP,Data Rate:1.25G,Wavelength:850nm,Reach:550m,TX:VCSEL,RX:PIN,TX Power:-9~-3dBm, RX Sensitivity:-17dBm,Compatible With the Brand:Cisco,Juniper,Brocade,Arista,Mellanox,HPE,Dell,Dell Force10,Huawei...Etc is Optional.Features⊙Hot-pluggable ²⊙RoHS Compliant⊙Up to 1.25Gbps data rate ²⊙Operating temperature range: ²Commercial: 0ºC~+70ºC ²Industrial: -40ºC~+85ºC⊙Single +3.3V power supply ²⊙AC coupling of LVPECL signals⊙International Class1 laser safety certified⊙850nm VCSEL Laser and PIN photo detector²⊙Duplex LC receptacle optical interface compliant ²⊙DDMI function available with internally calibrated modeApplication⊙Gigabit Ethernet ²⊙Gigabit Fiber ChannelStandard ⊙Compatible with G.959.1 ²⊙Compliant with SFF-8472 ²⊙Compliant with FC-PI v2.0⊙Compliant with MSA SFP specificationSpecification

Absolute Maximum Ratings
Parameter	Symbol	Min	Max	Unit
Storage temperature	TS	-40	85	C
Power Supply Voltage	Vcc	-0.5	+4	V
Relative Humidity	RH	5	95	%

Recommended Operating Conditions
Parameter	Symbol	Min	Typical	Max	Unit
Operating Case Temperature (Commercial)	Tc	0		70	C
Operating Case Temperature (Industrial)		-40		85
Power Supply Voltage	Vcc	3. 13	3.3	3.47	V
Supply Current	Icc			240	A
Data Rate		-	1.25	-	Gbps
Fiber Length 62.5 μm core MMF				300	m
Fiber Length 50μm core MMF		-	-	550	m

Electrical Characteristics
Parameter	Symbol	Min	Typical	Max	Unit	Notes
Transmitter differential inputvoltage		400		2400	V
Receiver differential outputVoltage		600		1200	V
Transmit Fault (TX_Fault)	Voh	2.4		Vcc+0.3	V	LVTTL
	Vol	-0.3		0.4	V	LVTTL
Loss of Signal (LOS)	Voh	2.4		Vcc+0.3	V	LVTTL
	Vol	-0.3		0.4	V	LVTTL
TX Disable	Vih	2		Vcc+0.3	V	LVTTL
	Vil	-0.3		0.8	V	LVTTL

Electrical Characteristics
Parameter	Symbol	Min	Typical	Max	Unit	Notes
Transmitter differential inputvoltage		400		2400	V
Receiver differential outputVoltage		600		1200	V
Transmit Fault (TX_Fault)	Voh	2.4		Vcc+0.3	V	LVTTL
	Vol	-0.3		0.4	V	LVTTL
Loss of Signal (LOS)	Voh	2.4		Vcc+0.3	V	LVTTL
	Vol	-0.3		0.4	V	LVTTL
TX Disable	Vih	2		Vcc+0.3	V	LVTTL
	Vil	-0.3		0.8	V	LVTTL

Optical transmitter Characteristics
Parameter		Symbol	Min	Typical	Max	Unit	Notes
Launched Power (avg.)		Pout	-9		-3	dBm
Operating Wavelength Range		λc	830	850	860	nm
Spectral Width (RMS)		λ			0.85	nm
Extinction Ratio		ER	9			dB	2
Total Jitter		Tj			0.284	UI	2
Transmitter and DispersionPenalty		TDP			1	dB
Relative Intensity Noise		RIN			- 120	dB/Hz
Optical Rise/Fall Time		Tris/Tfall			260	PS	3
Optical Tx Output disable		Pdis			-45	dBm
Output Eye Diagram		Complies with IEEE802.3z eye masks when filtered
Optical receiver Characteristics
Parameter		Symbol	Min	Typical	Max	Unit	Notes
Receiver Sensitivity		S			- 17	dBm	4
Wavelength Range		λc	770	850	870	nm
Receiver Reflectance					- 12	dB
Optical Power Input Overload		Pin-max	-3			dBm	4
LOS	Optical De-assert	Pd			- 19	dBm	4
	Optical Assert	Pa	-35
LOS hysteresis			0.5		5	dB	5

Q1:What's the delivery time?Re:The lead time is 10~15 days after order confirmed.Q2:Can you send me a free sample?Re: We are willing to send you free sample, if you would like to pay the shipping costs.Q3:What's your payment terms?Re: 30% in advance, and 70% before shipment.Q4:What's the payment method?Re: We accept T/T, Western Union, and Paypal.Q5:How to ship the items to me?Re: Courier (DHL,TNT,FEDEX,UPS,EMS) , By Air, By Sea are available.