Features
- 1550nm DFB as Transmitter
- 1550nm Polarization maintaining optical fiber
- Low threshold current,High slope efficiency,High linearity
- High side-mode-suppression ratio (typical ≥ 40dB)
- Coaxial Package,High reliability
- Compliant with RoHS standard
Applications
- Apply to various digital and analog fiber-optic transmission systems
- Can be used for fiber-optic analog CATV receiver，PON and QAM systems
- Stable emitting source
Absolute maximum rating(Tc=25℃)
|
参数 Parameter |
符号 Symbol |
参数值 Ratings |
单位 Unit |
|
LD反向电压 Reverse Voltage (Laser diode) |
VRL |
2 |
V |
|
LD正向电流 Forward current (Laser diode) |
IFL |
120 |
mA |
|
PD反向电压 Reverse Voltage (Photo diode) |
VRD |
20 |
V |
|
PD正向电流 Forward current (Photo diode) |
IFD |
2 |
mA |
|
工作温度 Operating temperature |
TC |
-25~+75 |
℃ |
|
储存温度 Storage temperature |
Tstg |
-40~+100 |
℃ |
Optical and Electrical Characteristics(Tc=25℃)
|
参数 Parameter |
符号 Symbol |
测试条件 Test condition |
最小值 Min. |
典型值 Type |
最大值 Max. |
单位 Unit |
|
阈值电流 Threshold Current |
Ith |
CW, T=25 °C |
--- |
7 |
15 |
mA |
|
输出光功率Optical Output Power |
Pf |
CW，IOP=60mA |
5.0 |
--- |
--- |
mW |
|
斜效率 Slope Efficiency |
η |
CW，IFL=60mA |
0.18 |
--- |
--- |
mW/mA |
|
工作电压 Operating Voltage |
vop |
CW, IFL=Iop |
--- |
1.2 |
1.5 |
V |
|
中心波长 Center Wavelength |
λc |
CW，IFL=Ith+20mA |
1540 |
1550 |
1560 |
nm |
|
－20dB谱宽 Spectral Width (-20 dB) |
∆λ |
IFL=Iop |
--- |
0.32 |
1.0 |
nm |
|
边模抑制比 Side Mode Suppression Ratio |
SMSR |
CW,IFL=Ith+20mA |
30 |
40 |
--- |
dB |
|
上升时间 Rise time |
Tr ,Tf |
IFL=Ith+20mA，20%~80% |
--- |
0.3 |
0.7 |
ns |
|
下降时间 Fall time |
Tr ,Tf |
IFL=Ith+20mA，20%~80% |
--- |
0.3 |
0.7 |
ns |
|
监视电流 Monitor Current |
Imon |
Vrp=5V，Po=Pf |
100 |
700 |
1500 |
uA |
|
监视暗电流 Monitor Dark Current |
ID |
Vrp=5V |
--- |
--- |
100 |
nA |
|
监视结电容 Monitor Capacitance |
CPD |
VPD=5V， f=1MHz |
--- |
--- |
10 |
pF |
|
光隔离度 Optical Isolation |
ISO |
T=25℃ |
30 |
--- |
--- |
dB |
|
Optical fiber Parameter |
||||||
|
工作波长Operating Wavelength |
--- |
1550 |
--- |
nm |
||
|
模场直径 Mode Field Diameter |
9.5 |
10.5 |
11.5 |
um |
||
|
拍长Beat Length |
--- |
--- |
5 |
mm |
||
|
串音Cross Talk |
--- |
--- |
-40 |
dB/4m |
||
|
--- |
--- |
-30 |
dB/100m |
|||
|
包层直径 Clad Diameter |
124 |
125 |
126 |
um |
||
|
涂层直径 Coating Diameter |
238 |
245 |
252 |
um |
||
|
工作温度Operating temperature |
Tc |
-40 |
+85 |
℃ |
||
Pin Assignment and Package dimensions
（Unit：mm）
