NEC NX7660JC, NX7660JC-CA, NX7660JC-BA Datasheet
DATA SHEET
LASER DIODE
NX7660JC
InGaAsP STRAINED DC-PBH LASER DIODE MODULE
1 625 nm TELEMETRY APPLICATION
DESCRIPTION
The NX7660JC is a 1 625 nm newly developed Strained Multiple Quantum Well (St-MQW) structure laser diode
DIP module with single mode fiber and internal thermoelectric cooler. It is designed for light sources of telemetry
equipment.
FEATURES
• Output power Pf = 5 mW MIN. @ IF = 65 mA CW
• Long Wavelength λC = 1 625 nm
• Wide operating temperature range TC = −5 to +70 °C
• Internal thermoelectric cooler, thermistor
• Hermetically sealed 14-pin DIP package
• Single mode fiber pigtail
1.0
25.4
12.16
2.54
12.5
10.2
1.0
20.84
0.45
20.8
6.25
3.0
PACKAGE DIMENSIONS
in millimeters
5.1
5.0
5.6
3.0
4.0
0.9
3.2
7.62
Optical Fiber
SM-9/125,
Length: 1 m TYP.
8.1
BOTTOM VIEW
#8
PD
19.1
#7 #1
LD
Thermistor
PIN CONNECTIONS
Pin No. Pin No.
1
2
3
4
5
6
7
Function
Cooler Anode
NC
NC
NC
Laser Anode,
Case Ground
NC
PD Cathode
8
9
10
11
12
13
14
#14
Case
PD Anode
Laser Cathode
Laser Anode,
Case Ground
Thermistor
Thermistor
NC
Cooler Cathode
Cooler
Function
–
+
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. P14128EJ2V0DS00 (2nd edition)
Date Published March 2000 NS CP(K)
Printed in Japan
The mark
••••
shows major revised points.
©
1999, 2000
900 m Nylon pipe
φ
410 MAX.
OPTICAL FIBER DIMENSIONS
in millimeters
µ
φ
250 m Corning SMF-28
µ
1 000 MIN.
µ
900 m Nylon pipe
φ
NX7660JC
-BA: FC-PC connector
-CA: SC-PC connector
10
Nylon pipe
Cave
125
250
500
900
( m)
µ
Primary coat
φµ
9 m core
2
Data Sheet P14128EJ2V0DS00
ORDERING INFORMATION
Part Number Available Connector
NX7660JC Without Connector
NX7660JC-BA With FC-PC Connector
NX7660JC-CA With SC-PC Connector
ABSOLUTE MAXIMUM RATINGS (TC = 25 °C, unless otherwise specified)
Parameter Symbol Ratings Unit
NX7660JC
Forward Current of LD I
Reverse Voltage of LD V
Forward Current of PD I
Reverse Voltage of PD V
Cooler Current I
Cooler Voltage V
Operating Case Temperature T
Storage Temperature T
Lead Soldering Temperature (10 s) T
F
R
F
R
C
C
C
stg
sld
200 mA
2.0 V
10 mA
20 V
1.2 A
2.5 V
−
5 to +70
−
40 to +85
260
°
C
°
C
°
C
ELECTRO-OPTICAL CHARACTERISTICS (TLD = 25 °C, TC = –5 to +70 °C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Forward Voltage V
Threshold Current I
Optical Output Power from Fiber P
Operating Current I
Differential Efficiency form Fiber
Center Wavelength
Spectral Width
F
Pf = 5 mW 1.1 1.5 V
th
f
IF = 65 mA 5 mW
op
Pf = 5 mW 65 75 mA
η
d
λ
C
Pf = 5 mW, RMS 1 615 1 625 1 635 nm
σ
Pf = 5 mW, RMS 2.5 5 nm
15 30 mA
0.08 0.15 W/A
Data Sheet P14128EJ2V0DS00
3
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Monitor PD: T
Parameter Symbol Conditions MIN. TYP. MAX. Unit
LD
= 25 °C, TC = –5 to +70 °C)
NX7660JC
(mW)
m
VR = 5 V, Pf = 5 mW 50 150 260
D
VR = 5 V 1.0 10 nA
*1
γ
Im = const. 0.5 dB
P
f
5
P
f
0
I
m
(@ P
f
(25 ˚C) = 5 mW)
TLD = TC = 25 ˚C
T
LD
= 25 ˚C,
T
C
= –5 to +70 ˚C
I
m
Monitor Current I
Monitor Dark Current I
Tracking Error
f
γ = 10 log
*1
P
5 mW
ELECTRO-OPTICAL CHARACTERISTICS
(Applicable to Thermistor and TEC: T
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Thermistor Resistanc e R 9.5 10.0 10.5 k
B Constant B 3 300 3 400 3 500 K
Cooler Current I
Cooler Voltage V
Cooling Capacity
LD
= 25 °C, TC = –5 to +70 °C)
∆
C
T = 45 K 0.6 1.0 A
∆
C
T = 45 K 1.4 2.0 V
*1
∆
T
IC = 1.0 A 45 K
µ
A
Ω
∆
T = TC – T
*1
4
LD
Data Sheet P14128EJ2V0DS00
Loading...