Factory Cheap Fiber Sfp Module - 1.25G 20KM 1310nm Dual Fiber Single mode SFP module – HDV Detail:
Applications
Switch
Video monitor system Telecommunication system
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit | |
| Storage Temperature | TS | -40 | +85 | ℃ | |
| Operating Temperature | TOP | Commercial level | -20 | +70 | ℃ |
| industrial level | -40 | 85 | |||
| Supply Voltage | VCC | -0.5 | +4.5 | V | |
| Voltage on Any Pin | VIN | 0 | VCC | V | |
| Soldering Temperature ,Time | - | 260℃, 10 S | ℃,S | ||
Recommended Operating Conditions
| Parameter | Symbol | Min. | Typ | Max. | Unit | |
| Ambient Temperature | TAMB | Commercial level | 0 | - | 70 | ℃ |
| industrial level | -40 | 85 | ||||
| Power Supply Voltage | V CC-VEE | 3 | 3.3 | 3.6 | V | |
Operating Conditions
1 Transmitter（T=25℃, Vcc=3~3.6V (+3.3V)） 1.25G
| Parameter | Symbol | Min. | Typ | Max. | Unit | |||
| Center Wavelength | lc | FP OR DFB | 1520 | 1550 | 1580 | nm | ||
| 1280 | 1310 | 1340 | ||||||
| CWDM | l-6 | l(note1) | l+6 | |||||
| Spectral width | △l | FP@RMS | - | 1 | 2 | nm | ||
| DFB@-20dBFWHM | - | - | 1 | |||||
| Side Mode Suppression Ratio | SMSR (DFB only) | 30 | dB | |||||
| Output Power | 0~20km | 1310 FP | Po | -9 | - | -3 | dBm | |
| 20km | 1550 DFB | -9 | - | -0 | ||||
| CWDM |
-9 |
- |
-0 |
||||
| 40km | 1550 DFB |
-5 |
0 |
||||
| CWDM |
-5 |
0 |
|||||
| 80km | 1550 DFB |
-3 |
2 | ||||
| CWDM |
-3 |
2 | |||||
| Extinction Ratio | ER | 1.25G | 9 | - |
dB |
||
| Supply Current | ICCT | - |
150 |
mA |
|||
| Input Differential Impedance | Rin | 100 |
Ω |
||||
| Data Input Swing Differential | Vin |
300 |
1200 |
mV |
|||
| Optical Modulation Amplitude | OMA |
174 |
μW |
||||
| Transmit Disable Voltage | VD |
2.0 |
Vcc |
V |
|||
| Transmit Enable Voltage | VEN | 0 |
0.8 |
V |
|||
| Transmit Disable Assert Time |
10 |
us |
|||||
| Optical Rise/Fall Time | Tr/ Tf (20-80%) | 150 |
260 |
ps |
|||
| Deterministic Jitter Contribution | TX ΔDJ |
51.7 |
ps |
||||
| Total Jitter Contribution | TX ΔTJ |
90 |
ps |
||||
| Output Optical Eye | IUT-T G.957 Compliant | ||||||
Note1: l:1270,1290,1310,1330,1350,1370,1390,1410,1430,1450,1470,1490,1510,1530,1550,1570,1590,1610.nm
2 Receiver （T=25℃, Vcc=3~3.6V (+3.3V) 1.25G
| Parameter | Symbol | Min. | Typ | Max. | Unit | |||
| Wavelength Range | lc | 1100 | 1610 | nm | ||||
| Sensitivity | 0~20km | 1.25G | Pin | PMIN | - | -24 | -23 | dBm |
| 40km | Pin | - | -25 | -24 | ||||
| 80km | Pin | - | -27 | -26 | ||||
| MAX. Input Power (Saturation) | PMAX | -3 | - | - | ||||
| Signal Detect Assert | PA | - | - | -24 | ||||
| Signal Detect De-assert | PD | -34 | - | - | ||||
| Signal Detect Hysteresis | PHYS | 1 | - | 4 | ||||
| Supply Current | ICCR | - | - | 150 | mA | |||
| Data Output Swing Differential | Vout | 400 | - | 1000 | mV | |||
| Signal Detect Voltage – High | VSDHC | 2.0 | - | VCC | V | |||
| Signal Detect Voltage – Low | VSDL | 0 | - | 0.8 | ||||
Notes:
switch from a high state to a low state.
1)Value of output power and sensitivity can be customized according to the demand
Ordering Information
Example
DSFP 49 24-C 1 2 LC - 80
| Sign | Mean | Description | |||||
| DSFP |
Module type |
DSFP= Dual fibers SFP | SFP=Single fiber SFP | ||||
| 49 |
Center wave |
30=1310tx/NO rx | 50=1550tx/NO RX | CWDM Like 49=1490 CWDM TX 1100~1610 RX | |||
| 24 | date Rate | 03=155M | 12=622M | 24=1.25G | 48=2.5G | 60=3.125G | |
| C | Laser type | F=FP | D=DFB | C=CWDM | V=VCSEL | ||
| 1 |
Operating T |
1=-20~+70℃ | 2=-40~+85℃ | ||||
| 1 | DDMI | 1=NO DDM | 2=DDMI | ||||
| LC | Connector | SC=SC | LC=LC | ||||
| 80 | Distance | 022=220M | 055=550M | 5=5KM | 10=10KM | ||
| 20=20KM | 40=40KM | 80=80KM | 100=100KM | ||||
Example
DSFP 3X 24-0 12 LC - 80
| Sign | Mean | Description | |||||
| DSFP |
Module type |
DSFP= Dual fibers SFP | SFP=Single fiber SFP | ||||
| 3X |
Center wave |
88=850NM T&R | 3x=1310 tx/1100~1610 RX | CWDM Like 49=1490 CWDM TX 1100~1610 RX | |||
| 24 | date Rate | 03=155M | 12=622M | 24=1.25G |
48=2.5G |
60=3.125G | |
| 0 | Laser type | 0=no LD | |||||
| 1 |
Operating T |
1=-20~+70℃ | 2=-40~+85℃ | ||||
| 2 | DDMI | 1=NO DDM | 2=DDMI | ||||
| LC | Connector | SC=SC | LC=LC | ||||
| 20 | Distance | 022=220M | 055=550M |
5=5KM |
10=10KM | ||
| 20=20KM | 40=40KM |
80=80KM |
100=100KM | ||||
Typical products
| Part No. | Wavelength | Con- nector | Temp. | TXPower (dBm) | RX Sens(Max.) (dBm) | DD MI | Distance |
| DSFP3X24-F11LC-20 | T 1310FP/rx 1100~1610 |
LC |
-20 to 70 | -9 to-0 | -23 | F | 20km |
| DSFP5X24-D12LC-40 | T 1550DFP /R 1100~1610 |
LC |
-20 to 70 | -5~0 | -24 | T | 40KM |
| DSFP6124-C12LC-80 | T 1610 CWDM/ R1100~1610 |
LC |
-20 to 70 | -3 to 2 | -26 | T | 80km |
Designing notice
DSFP Pin description
|
Pin |
Descriptions | Pin | Descriptions |
|
1 |
VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
|
2 |
TFAULT | Transmitter Fault. | 2 |
|
3 |
TDIS | Transmitter Disable. Laser output disabled on high or open. | 3 |
|
4 |
MOD_DEF(2) | Module Definition 2. Data line for Serial ID. | 4 |
|
5 |
MOD_DEF(1) | Module Definition 1. Clock line for Serial ID. | 4 |
|
6 |
MOD_DEF(0) | Module Definition 0. Grounded within the module. | 4 |
|
7 |
Rate Select | No connection required | |
|
8 |
LOS | Loss of Signal indication. Logic 0 indicates normal operation. | 5 |
|
9 |
VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
|
10 |
VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
|
11 |
VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
|
12 |
RD- | Receiver Inverted DATA out. AC Coupled | |
|
13 |
RD+ | Receiver Non-inverted DATA out. AC Coupled | |
|
14 |
VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
|
15 |
VCCR | Receiver Power Supply | |
|
16 |
VCCT | Transmitter Power Supply | |
|
17 |
VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
|
18 |
TD+ | Transmitter Non-Inverted DATA in. AC Coupled. | |
|
19 |
TD- | Transmitter Inverted DATA in. AC Coupled. | |
|
20 |
VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)
SFP Host Board Mechanical Layout
Product detail pictures:
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By Ivan from Iraq - 2015.06.28 19:27
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By Geraldine from Denver - 2015.06.30 17:29
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