Features
● Duplex LC connector
● Up to 40 km by connecting the SMF
● 1470nm CWDM EML transmitter, PIN photo-detector
● Built-in digital diagnostic monitoring (DDM) allows access to real-time running parameters
Applications
● 10GBASE-ER/EW Ethernet
● Sonet OC-192/SDH
● 10G Fibre channel
● CWDM Networks
Product Details
This specific transceiver employs Coarse Wavelength Division Multiplexing (CWDM) technology, enabling the simultaneous transmission of multiple optical signals over a single fiber optic cable. It is specifically designed to operate at a wavelength of 1470nm, allowing it to transmit and receive signals at this particular frequency.
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Absolute Maximum Ratings
|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
|
Storage Temperature |
TS |
-40 |
+85 |
°C |
|
|
Case Operating Temperature |
TA |
0 |
70 |
°C |
|
|
Maximum Supply Voltage |
Vcc |
-0.5 |
4 |
V |
|
|
Relative Humidity |
RH |
0 |
85 |
% |
Electrical Characteristics
(TOP = 0 to 70 °C, VCC = 3.135 to 3.465 Volts)
|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Note |
|
Supply Voltage |
Vcc |
3.135 |
3.465 |
V |
||
|
Supply Current |
Icc |
500 |
mA |
|||
|
Power Consumption |
P |
1.8 |
W |
|||
|
Transmitter Section |
||||||
|
Input differential impedance |
Rin |
100 |
Ω |
1 |
||
|
Tx Input Single Ended DC Voltage Tolerance (Ref VeeT) |
V |
-0.3 |
4 |
V |
||
|
Differential input voltage swing |
Vin,pp |
180 |
700 |
mV |
2 |
|
|
Transmit Disable Voltage |
VD |
2 |
Vcc |
V |
3 |
|
|
Transmit Enable Voltage |
VEN |
Vee |
Vee+0.8 |
V |
||
|
Receiver Section |
||||||
|
Single Ended Output Voltage Tolerance |
V |
-0.3 |
4 |
V |
||
|
Rx Output Diff Voltage |
Vo |
300 |
850 |
mV |
||
|
Rx Output Rise and Fall Time |
Tr/Tf |
30 |
ps |
4 |
||
|
LOS Fault |
VLOS fault |
2 |
VccHOST |
V |
5 |
|
|
LOS Normal |
VLOS norm |
Vee |
Vee+0.8 |
V |
5 |
|
Note
1. Connected directly to TX data input pins. AC coupling from pins into laser driver IC.
2. Per SFF-8431 Rev 3.0
3. Into 100 ohms differential termination.
4. 20%～80%
5. LOS is an open collector output. Should be pulled up with 4.7k – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.
Optical Parameters
(TOP = 0 to 70°C, VCC = 3.135 to 3.465 Volts)
|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Note |
|
Transmitter Section |
||||||
|
Center Wavelength |
λc |
λ-6.5 |
λ+6.5 |
nm |
||
|
spectral width |
△λ |
1 |
nm |
|||
|
Average Optical Power |
Pavg |
-1 |
+4 |
dBm |
1 |
|
|
Laser Off Power |
Poff |
-30 |
dBm |
|||
|
Extinction Ratio |
ER |
8.2 |
dB |
|||
|
Transmitter Dispersion Penalty |
TDP |
3.2 |
dB |
2 |
||
|
Relative Intensity Noise |
Rin |
-128 |
dB/Hz |
3 |
||
|
Optical Return Loss Tolerance |
20 |
dB |
||||
|
Receiver Section |
||||||
|
Center Wavelength |
λr |
1260 |
1620 |
nm |
||
|
Receiver Sensitivity (OMA) |
Sen |
-16 |
dBm |
4 |
||
|
Stressed Sensitivity (OMA) |
SenST |
-14 |
dBm |
4 |
||
|
Los Assert |
LOSA |
-27 |
- |
dBm |
||
|
Los Dessert |
LOSD |
-17 |
dBm |
|||
|
Los Hysteresis |
LOSH |
0.5 |
dB |
|||
|
Overload |
Sat |
0 |
dBm |
5 |
||
|
Receiver Reflectance |
Rrx |
-12 |
dB |
|||
Ordering Information
|
Part Number |
Description |
|
SFP-10GC40-47 |
10Gb/s 40km CWDM SFP+ Transceiver Hot Pluggable, Duplex LC, +3.3V |
FAQ
1. What is the wavelength of CWDM SFP?
A: D-net's CWDM SFP+ optical transceiver can transmit wavelengths of up to 18 CWDM. The wavelength range is from 1270nm to 1610nm.
2. What is the distance of CWDM SFP 1470?
A: The distance of CWDM SFP 1470 can vary depending on the specific product. Generally, CWDM SFP transceivers support different distances, such as 20km, 40km, or 80km. The number 1470 refers to the specific wavelength that the SFP operates on. D-NET's SFP-10GC40-47 transceiver supports up to 40km of link transmission through single-mode fiber (SMF) through a LC duplex connector
3. What transceivers supports up to 10gbps?
A: The SFP + support of 10 Gbps is slightly larger than the SFP.Power consumption is lower than the XFP. The SFP+ Module compliants with SFF-8431, SFF-8432 and IEEE 802.3ae 10GBASE-ER.Allow for four channels in a single transceiver.
