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China SFP 1.25G TX 1490 RX 1550 CWDM 180KM DDM 光模块

SFP 1.25G TX 1490 RX 1550 CWDM 180KM DDM 光模块

Features:

Up to 1.25Gb/s Data Links
Hot-Pluggable
Single LC connector
Up to 180km on 9/125μm SMF
1490nm DFB laser transmitter
APD Receiver
Single +3.3V Power Supply
Monitoring Interface Compliant with SFF-8472
Power dissipation<1.5W
operating temperature range: 0°C to 70°C
RoHS compliant and Lead Free

Applications:

1000Base-ZX Ethernet
Metro/Access Networks
1×Fibre Channel
Other Optical Links

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RSPD-03BD180-4955

1.25Gb/s 180km LC BiDi SFP Transceiver

Hot Pluggable, Single LC, +3.3V, 1490nm Tx/1550nm Rx, DFB-LD&APD, Single-mode, DDM

Description:

FIBERWDM RSPD-03BD180-4955 Transceivers are a high performance, cost effective module which have a single LC optics interface. They are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) and Digital diagnostics functions are available via the 2-wire serial bus specified in SFF-8472.The receiver section uses a PIN receiver and the transmitter uses a 1490 nm DFB laser, more than 40dB link budge ensure this module 1000Base-ZX Ethernet 180km application.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit
Storage Temperature	TS	-40		+85	°C
Supply Voltage	VCC	-0.5		4	V
Relative Humidity	RH	0		85	%

Recommended Operating Environment:

Parameter	Symbol	Min.	Typical	Max.	Unit
Case operating Temperature	TC	0		+70	°C
Supply Voltage	VCC	3.1		3.6	V
Supply Current	Icc			300	mA
Inrush Current	Isurge			Icc+30	mA
Power dissipation	Pmax			1.5	W

Electrical Characteristics TOP=(TOP=-30 to70°C, VCC = 3.1 to 3.6 Volts)

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section:
Input differential impedance	Rin	90	100	110
Single ended data input swing	Vin PP	250		1200	mVp-p
Transmit Disable Voltage	VD	Vcc – 1.3		Vcc	V	2
Transmit Enable Voltage	VEN	Vee		Vee+ 0.8	V
Transmit Disable Assert Time	Tdessert			10	us
Receiver Section:
Single ended data output swing	Vout,pp	300		800	mv	3
LOS Fault	Vlos fault	Vcc – 0.5		VCC_host	V	5
LOS Normal	Vlos norm	Vee		Vee+0.5	V	5
Power Supply Rejection	PSR	100			mVpp	6

Note:

1. AC coupled.

2. Or open circuit.

3. Into 100 ohm differential termination.

4. 20 – 80 %

5. LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.

6. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5MHz up to specified value applied through the power supply filtering network shown on page 23 of the Small Form-factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA), September 14, 2000.

Pin Assignment

Diagram of Host Board Connector Block Pin Numbers and Names

Recommended Circuit

SFP Host Recommended Circuit

Mechanical Dimensions

Mechanical Drawing

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