NEC NDL7553P, NDL7553P1 Datasheet
DATA SHEET
LASER DIODE
NDL7553P Series
InGaAsP STRAINED MQW DC-PBH PULSED LASER DIODE MODULE
1550nm OTDR APPLICATION
DESCRIPTION
NDL7553P Series is a 1550nm newly developed Strained Multiple Quantum Well (st-MQW) structure pulsed laser
diode coaxial module with singlemode fiber. It is designed for light source of optical measurement equipment
(OTDR).
FEATURES
x
High output power Pf = 145 mW @IFP = 1000 mA
x
Long wavelength
x
Coaxial module without thermoelectric cooler.
x
Singlemode fiber pigtail
Pulse Conditions: Pulse width (PW) = 10 Ps, Duty = 1 %
*1
C
= 1550 nm
O
PACKAGE DIMENSIONS
in millimeters
Optical Fiber
SM-9/125
Length = 1 m
NDL7553P NDL7553P1
φ
0.9
φ
7
27.420
φ
0.45
*1
Optical Fiber
SM-9/125
Length = 1 m
2.22 –
φ
φ
0.9
φ
7
27.420
4
2
φ
0.45
φ
6
PIN CONNECTIONS
P.C.D. = 2
Document No. P10473EJ4V0DS00 (4th edition)
Date Published October 1996 N
Printed in Japan
φ
1
φ
6
12.7
17.0
PIN CONNECTIONS
4
3
7
φ
2
21
LD
CASE
P.C.D. = 2
φ
4
3
1
2
3.7
7.2
1
CASE
The information in this document is subject to change without notice.
21
LD
1995©
ORDERING INFORMATION
Part Number Available Connector FIange Type
NDL7553P Without Connector no flange
NDL7553PC With FC-PC Connector
NDL7553PD With SC-PC Connector
NDL7553P1 Without Connector flat mount flange
NDL7553P1C With FC-PC Connector
NDL7553P1D With SC-PC Connector
ABSOLUTE MAXIMUM RATINGS (TC = 25 qqqqC)
Parameter Symbol Ratings Unit
Pulsed Forward Current
Reverse Voltage V
Operating Case Temperature T
Storage Temperature T
Lead Soldering Temperature (10 sec) T
*1
FP
I
R
C
stg
sld
NDL7553P Series
1.2 A
2.0 V
ð20 to +60 qC
ð40 to +85 qC
260 qC
Pulse Condition: Pulse Width (PW) = 10
*1
s, Duty = 1 %
P
ELECTRO-OPTICAL CHARACTERISTICS (TC = 25 qqqqC)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Forward Voltage V
Threshold Current I
Optical Output Power from Fiber P
RMS Center Wavelength O
FP
th
f
C
IFP = 1000 mA,
PW = 10
P
s, Duty = 1 %
IFP = 1000 mA,
PW = 10
P
s, Duty = 1 %
IFP = 1000 mA,
PW = 10
P
s, Duty = 1 %
RMS Spectral Width V IFP = 1000 mA,
Rise Time t
Fall Time t
PW = 10
r
10 - 90 % 2.0 ns
f
90 - 10 % 2.0 ns
P
s, Duty = 1 %
ELECTRO-OPTICAL CHARACTERISTICS (TC = 0 to +60qqqqC)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Threshold Current I
Optical Output Power from Fiber P
RMS Center Wavelength O
Temperature Dependency of
Center Wavelength
RMS Spectral Width V IFP = 1000 mA,
th
f
IFP = 1000 mA,
C
PW = 10
IFP = 1000 mA,
PW = 10
P
s, Duty = 1 %
P
s, Duty = 1 %
'O/'T0.35nm/qC
PW = 10
P
s, Duty = 1 %
2.5 4.0 V
45 75 mA
95 145 mW
1530 1550 1570 nm
7.5 10.0 nm
100 mA
60 mW
1520 1585 nm
10 nm
2
NDL7553P Series
OPTICAL OUTPUT POWER FROM FIBER vs.
LD PULSE FORWARD CURRENT
160
PW = 10 s
Duty = 1 %
140
(mW)
f
120
100
80
60
40
20
Optical Output Power from Fiber P
0
µ
200
Pulsed Forward Current I
400 600 800 1000
25 ˚C
60 ˚C
FP
(mA)
LONGITUDINAL MODE (FROM FIBER)
Relative Intensity (Linear Scale)
1550
Wavelength (nm)
5 nm/div
λ
3
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