鈥?/div>
SINGLE MODE FIBER PIGTAIL
DESCRIPTION
NEC's NX7661JB-BC is a 1625 nm developed strained Mul-
tiple Quantum Well (st-MQW) structure pulse laser diode DIP
module with single mode fiber and internal thermoelectric
cooler. It is designed for light sources of optical measurement
equipment (OTDR).
ELECTRO-OPTICAL CHARACTERISTICS
(T
LD
= 25擄C, T
C
= -20 to +65擄C, unless otherwise specified)
PART NUMBER
SYMBOLS
V
FP
I
TH
P
f
位
C
蟽
t
r
t
f
PARAMETERS AND CONDITIONS
Forward Voltage, CW, I
F
= 30 mA
Threshold Current, CW
Optical Output Power from Fiber, I
FP
= 1000 mA,
PW = 10
碌s,
Duty = 1 %
Center Wavelength, RMS, I
FP
= 1000 mA,
PW = 10
碌s,
Duty = 1 %
Spectral Width, RMS, I
FP
= 1000 mA,
PW = 10
碌s,
Duty = 1 %
Rise Time, 10-90%
Fall Time, 90-10%
UNITS
V
mA
mW
nm
120
1615
1625
1635
30
MIN
NX7661JB-BC
TYP
MAX
4.0
70
nm
ns
ns
7.0
15.0
2.0
2.0
ELECTRO-OPTICAL CHARACTERISTICS
APPLICABLE TO THERMISTOR AND TEC:
(T
LD
= 25擄C, T
C
= -20 to +65擄C, unless otherwise specified)
PART NUMBER
SYMBOLS
R
B
I
C
V
C
鈭員
1
PARAMETERS AND CONDITIONS
Thermistor Resistance, T
LD
= 25擄C
B Constant
Cooler Current,
鈭員
= 40 K
Cooler Voltage,
鈭員
= 40 K
Cooling Capacity, I
C
= 0.8 A
UNITS
k鈩?/div>
K
A
V
K
40
MIN
9.5
3350
NX7661JB-BC
TYP
10.0
3450
0.6
1.1
MAX
10.5
3550
0.8
1.5
Note:
1.
鈭員
= | T
C
- T
LD
|.
California Eastern Laboratories
CEL
1
2
3
4
