1.25g Singlemode Sm 1550nm Duplex LC Connector 120km SFP Optical Transceiver Module

• Customization: Available
• Type: Fiber Transceiver
• Certification: CE, ISO, RoHS
• Model NO.: TK-1524-3LCD120
• Module: SFP
• Wavelength: 1550nm
• Distance: 120km
• Connector: LC
• Transport Package: Carton Box
• Specification: 1.25G
• Trademark: TAKFLY
• Origin: China
• HS Code: 8517706000
• Production Capacity: 10000 Piece/Week

Product Description

Product Description

The SFP transceivers are high-performance, cost-effective modules supporting data rate of 1.25Gbps and 120km transmission distance with SMF

 

Features

1. Data rate of 1.25Gbps operation
2. 1550nm DFB laser and APD photodetector
3. Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
4. Digital Diagnostic Monitoring: Internal Calibration or External Calibration
5. Compatible with SONET OC-24-LR-1
6. Compatible with RoHS
7. +3.3V single power supply

 

Product Parameters

Optical characteristics

 

Parameter	Symbol	Min	Typ	Max	Unit	Ref.
Transmitter
Output Opt. Pwr (End of Life)	POUT	0.0		5.0	dBm	1
Optical Wavelength	λ	1530	1550	1570	nm
Wavelength Temperature Dependence			0.08	0.125	nm/°C
Spectral Width (-20dB)	σ			3.0	nm
Optical Extinction Ratio	ER	10			dB
Sidemode Supression ratio	SSRmin	30			dB
Optical Rise/Fall Time	tr/ tf		100	160	ps
RIN	RIN			-120	dB/Hz
Transmitter Jitter (peak to peak)				100	ps
Receiver
Average Rx Sensitivity @ Gigabit Ethernet	RSENS3			-30.0	dBm	2
Maximum Input Power	PMAX	-3.0			dBm
Optical Center Wavelength	λC	1260	1550	1620	nm
LOS De - Assert	LOSD			-32	dBm
LOS Assert	LOSA	-40			dBm
LOS Hysteresis			1.0		dB
Receiver Jitter Generation @1.25Gbps				160	ps	3

Notes
1. Class 1 Laser Safety per FDA/CDRH and IEC-825-1 regulations
2. With worst-case extinction ratio. Measured with a PRBS 27-1 test pattern, @1.25Gb/s, BER<10-12
3. Jitter added by receiver (peak to peak). Measured at -18.0dBm average Rx sensitivity, PRBS 27-1 test pattern


Electrical characteristics

Parameter	Symbol	Min	Typ	Max	Unit	Ref.
Supply Voltage	Vcc	3.15	3.3	3.6	V
Supply Current	Icc		185	250	mA
Transmitter
Input differential impedance	Rin		100		Ω	1
Single ended data input swing	Vin, pp	250		1200	mV
Transmit Disable Voltage	VD	Vcc-1.3		Vcc	V
Transmit Enable Voltage	VEN	Vee		Vee+ 0.8	V	2
Transmit Disable Assert Time				10	us
Receiver
Single ended data output swing	Vout,pp	250		800	mV	3
Data output rise time	tr		100	175	ps	4
Data output fall time	tf		100	175	ps	4
LOS Fault	VLOS fault	Vcc-0.5		VccHOS T	V	5
LOS Normal	VLOS norm	Vee		Vee+0.5	V	5
Power Supply Rejection	PSR	100			mVpp	6

Notes
1. Connected directly to TX data input pins. AC coupled thereafter
2. Or open circuit
3. Into 100 ohms differential termination
4. 20 - 80 %
5. Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected
6. Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied

through the recommended power supply filtering network