NEC NDL7514P1, NDL7514PC, NDL7514P Datasheet
DATA SHEET
LASER DIODE
NDL7514P Series
InGaAsP STRAINED MQW DC-PBH PULSED LASER DIODE MODULE
1310nm OTDR APPLICATION
DESCRIPTION
NDL7514P Series is a 1310nm 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
Output power Pf = 50 mW @IFP = 400 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
= 1310 nm
O
PACKAGE DIMENSIONS
NDL7514P NDL7514P1
Optical Fiber
SM-9/125
Length : 1 m
φ
φ
6
φ
0.9
7
2520
φ
0.45
*1
in millimeters
Optical Fiber
SM-9/125
Length : 1 m
2.22 –
φ
φ
12.7
17.0
φ
0.9
φ
7
25
4
2
φ
20
6
0.45
P.C.D. = 2
Document No. P10471EJ4V0DS00 (4th edition)
Date Published October 1996 N
Printed in Japan
φ
1
PIN CONNECTIONSPIN CONNECTIONS
4
3
2
7
φ
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
NDL7514P Without Connector no flange
NDL7514PC With FC-PC Connector
NDL7514PD With SC-PC Connector
NDL7514P1 Without Connector flat mount flange
NDL7514P1C With FC-PC Connector
NDL7514P1D 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
NDL7514P Series
600 mA
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 = 400 mA,
PW = 10
P
s, Duty = 1 %
IFP = 400 mA,
PW = 10
P
s, Duty = 1 %
IFP = 400 mA,
PW = 10
P
s, Duty = 1 %
RMS Spectral Width V IFP = 400 mA,
Rise Time t
Fall Time t
PW = 10
r
10 - 90 % 1.0 ns
f
90 - 10 % 1.0 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 = 400 mA,
th
f
IFP = 400 mA,
C
PW = 10
IFP = 400 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
20 30 mA
25 50 mW
1290 1310 1330 nm
4.5 10 nm
50 mA
15 mW
1280 1342.5 nm
10 nm
2
NDL7514P Series
OPTICAL OUTPUT POWER FROM FIBER vs.
LD PULSE FORWARD CURRENT
50
(mW)
f
Optical Output Power from Fiber P
PW = 10 s
Duty = 1 %
40
30
20
10
0
µ
100 200 300 400
Pulsed Forward Current I
25 ˚C
60 ˚C
FP
(mA)
LONGITUDINAL MODE (FROM FIBER)
Relative Intensity (Linear Scale)
Wavelength (nm)
λ
1310
5 nm/div
3
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