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參數(shù)資料
| 型號： | NDL7401PD |
| 廠商： | NEC Corp. |
| 英文描述： | Laser Diode(激光二極管) |
| 中文描述： | 激光二極管（激光二極管） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 71K |
| 代理商： | NDL7401PD |
4
NDL7408P Series
ABSOLUTE MAXIMUM RATINGS (T
C
= 25
°
C, unless otherwise specified)
Parameter
Symbol
Ratings
Unit
Forward Current of LD
I
F
I
th
+ 50
mA
Reverse Voltage of LD
V
R
2.0
V
Forward Current of PD
I
F
10
mA
Reverse Voltage of PD
V
R
20
V
Operating Case Temperature
T
C
40 to +85
°
C
Storage Temperature
T
stg
40 to +85
°
C
Lead Soldering Temperature (10 s)
T
sld
260
°
C
ELECTRO-OPTICAL CHARACTERISTICS (T
C
= 25
°
C, unless otherwise specified)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Operating Voltage
V
op
*1
1.1
1.3
V
Threshold Current
I
th
10
25
mA
T
C
= +85
°
C
25
50
Modulation Current
I
mod
P
f
= 1.0 mW @NDL7408PK Series
15
30
mA
P
f
= 0.2 mW @NDL7408PL Series
η
d
0.025
0.050
W/A
T
C
= +85
°
C
0.018
0.035
η
d
0.010
0.015
T
C
= +85
°
C
0.005
0.010
Center Emission Wavelength
λ
C
*1
, RMS (
20 dB)
1 290
1 310
1 330
nm
T
C
=
40 to +85
°
C
1 260
1 360
Temperature Dependence of
Center Emission Wavelength
λ
/
T
T
C
=
40 to +85
°
C
0.4
0.5
nm/
°
C
Spectral Width
σ
*1
, RMS (
20 dB)
1.3
2.5
nm
T
C
= +85
°
C
1.5
4
Cut-off Frequency
f
C
3 dB
2.0
GHz
Rise Time
t
r
10 to 90 %
0.2
0.5
ns
Fall Time
t
f
90 to 10 %
0.3
0.5
ns
Monitor Current of PD
I
m
V
RD
= 5 V,
*1
100
700
μ
A
Dark Current of PD
I
D
V
RD
= 5 V
0.1
10
nA
Tracking Error
γ
*2
I
m
= const., T
C
=
40 to +85
°
C
0.5
1.0
dB
*1
P
f
= 1.0 mW @NDL7408PK Series
P
f
= 0.2 mW @NDL7408PL Series
*2
γ
= 10 log
P
f
XmW
Differential Efficiency from Fiber
for NDL7408PK Series
Differential Efficiency from Fiber
for NDL7408PL Series
T
C
= –40 to +85 C
I
m
P
f
P
f
X
I
m
0
(@ P
f
(25 C)= X mW)
X = 1.0 mW @NDL7408PK Series
X = 0.2 mW @NDL7408PL Series
T
C
= 25 C
XmW
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