1.25G 850nm 550m SFP Transceiver
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1.25G 850nm 550m SFP Transceiver

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.

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Product Introduction

■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.

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	dBm	1
Extinction Ratio			ER	9			dB
Optical Rise/Fall Time (20%~80%)			tr/tf			0.26	ns
Data Input Swing Differential			V_IN	400		1800	mV	2
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
Centre Wavelength			λc	770		860	nm
Receiver Sensitivity						-18	dBm	3
Receiver Overload				-3			dBm	3
LOS De-Assert			LOS_D			-20	dBm
LOS Assert			LOS_A	-30			dBm
LOS Hysteresis				1		4	dB
Data Output Swing Differential			Vout	400		1800	mV	4
LOS			High	2.0		Vcc	V
LOS			Low			0.8	V

Parameter	Range	Unit	Accuracy	Calibration
Temperature	0 to +70	°C	±3°C	Internal / External
Temperature	-20 to +85	°C	±3°C	Internal / External
Voltage	3.0 to 3.6	V	±3%	Internal / External
Bias Current	0 to 100	mA	±10%	Internal / External
TX Power	-9.5 to -3	dBm	±3dB	Internal / External
RX Power	-22 to -3	dBm	±3dB	Internal / External

What is an SFP module used for?

An SFP module, also known as a small form-factor pluggable module, is a type of transceiver used in networking. These modules are used to link network switches, routers, and other networking devices together like SFP 1.25 g 1310nm 10km.

SFP modules are designed to be easily interchangeable, allowing technicians to quickly swap out modules to adapt to changing networking needs. They are small and compact, taking up very little space and allowing for high-density networking configurations.

One of the key benefits of SFP modules is their high data transfer rate. These modules can transmit data at speeds of up to 10 Gigabits per second, making them ideal for high-speed networking applications such as video streaming, cloud computing, and virtualization.

Another advantage of SFP modules is their flexibility. These modules can be used with a variety of different network cable types, including fiber-optic and copper cables. This can help organizations to save money and simplify their networking infrastructure.

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1.25G 1310nm 20km LC SFP

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