The information in this document is subject to change without notice.
LASER DIODE
NDL7553P Series
InGaAsP STRAINED MQW DC-PBH PULSED LASER DIODE MODULE
1550nm OTDR APPLICATION
1995
Document No. P10473EJ4V0DS00 (4th edition)
Date Published October 1996 N
Printed in Japan
DATA SHEET
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
P
f
= 145 mW @I
FP
= 1000 mA
*1
x
Long wavelength
O
C
= 1550 nm
x
Coaxial module without thermoelectric cooler.
x
Singlemode fiber pigtail
*1 Pulse Conditions: Pulse width (PW) = 10
P
s, Duty = 1 %
NDL7553P
NDL7553P1
Optical Fiber
SM-9/125
Length = 1 m
7
6
27.4
20
0.9
0.45
Optical Fiber
SM-9/125
Length = 1 m
0.9
7
27.4
20
4
2
6
12.7
17.0
0.45
2.2
2
PIN CONNECTIONS
7
CASE
2
1
7.2
3.7
1
P.C.D. = 2
CASE
2
1
4
3
2
1
PIN CONNECTIONS
LD
LD
4
3
2
1
P.C.D. = 2
PACKAGE DIMENSIONS
in millimeters
2
NDL7553P Series
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 (T
C
= 25
q
q
q
q
C)
Parameter
Symbol
Ratings
Unit
Pulsed Forward Current
*1
I
FP
1.2
A
Reverse Voltage
V
R
2.0
V
Operating Case Temperature
T
C
20 to +60
q
C
Storage Temperature
T
stg
40 to +85
q
C
Lead Soldering Temperature (10 sec)
T
sld
260
q
C
*1 Pulse Condition: Pulse Width (PW) = 10
P
s, Duty = 1 %
ELECTRO-OPTICAL CHARACTERISTICS (T
C
= 25
q
q
q
q
C)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Forward Voltage
V
FP
I
FP
= 1000 mA,
PW = 10
P
s, Duty = 1 %
2.5
4.0
V
Threshold Current
I
th
45
75
mA
Optical Output Power from Fiber
P
f
I
FP
= 1000 mA,
PW = 10
P
s, Duty = 1 %
95
145
mW
RMS Center Wavelength
O
C
I
FP
= 1000 mA,
PW = 10
P
s, Duty = 1 %
1530
1550
1570
nm
RMS Spectral Width
V
I
FP
= 1000 mA,
PW = 10
P
s, Duty = 1 %
7.5
10.0
nm
Rise Time
t
r
10 - 90 %
2.0
ns
Fall Time
t
f
90 - 10 %
2.0
ns
ELECTRO-OPTICAL CHARACTERISTICS (T
C
= 0 to +60
q
q
q
q
C)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Threshold Current
I
th
100
mA
Optical Output Power from Fiber
P
f
I
FP
= 1000 mA,
PW = 10
P
s, Duty = 1 %
60
mW
RMS Center Wavelength
O
C
I
FP
= 1000 mA,
PW = 10
P
s, Duty = 1 %
1520
1585
nm
Temperature Dependency of
Center Wavelength
'O
/
'
T
0.35
nm/
q
C
RMS Spectral Width
V
I
FP
= 1000 mA,
PW = 10
P
s, Duty = 1 %
10
nm
3
NDL7553P Series
OPTICAL OUTPUT POWER FROM FIBER vs.
LD PULSE FORWARD CURRENT
Optical Output Power from Fiber P
f
(mW)
0
160
Pulsed Forward Current I
FP
(mA)
LONGITUDINAL MODE (FROM FIBER)
Relative Intensity (Linear Scale)
1550
Wavelength (nm)
100
200
PW = 10 s
Duty = 1 %
400
600
800
1000
25 C
60 C
5 nm/div
140
120
80
60
40
20
4
NDL7553P Series
LASER DIODE FAMILY FOR OTDR APPLICATION
Features
1.31
P
m
1.55
P
m
Package
Part Number
P (mW)
MIN./TYP.
Part Number
P (mW)
MIN./TYP.
Remarks
I
5.6 CAN
NDL7103
290/320
NDL7153
220/240
1000
NDL7113
160/175
NDL7163
100/120
400
4 pin Coaxial Module with SMF
NDL7503P/P1
110/180
NDL7553P/P1
95/145
1000
NDL7513P/P1
70/110
NDL7563P/P1
60/80
400
NDL7514P/P1
25/50
NDL7564P/P1
20/40
400
NDL7515P/P1
20/30
NDL7565P/P1
8/11
400
14 pin DIP Module with SMF
NDL7502P
125/190
NDL7552P
100/125
1000
NDL7512P
90/110
NDL7562P
70/80
400
NDL7510P
40/55
NDL7560P
20/30
400
*1 Pulse conditions:
pulse width = 10
P
s, duty = 1 % (modules)
pulse width = 1
P
s, duty = 1 % (
I
5.6 can)
P
: no flange
P1 : with flange
with TEC and
Thermistor
I
FP
*1
(mA)
5
NDL7553P Series
REFERENCE
Document Name
Document No.
NEC semiconductor device reliability/quality control system
LEI-1201
Quality grades on NEC semiconductor devices
C11531E
Semiconductor device mounting technology manual
C10535E
Guide to quality assurance for semiconductor devices
MEI-1202
Semiconductor selection guide
X10679E
PDF 
ZIP