NX7661JB-BC Datasheet, PDF (1/4 Pages) California Eastern Labs – NECs 1625 nm InGaAsP MQW FP PULSED LASER DIODE IN DIP PACKAGE FOR OTDR APPLICATION (120 mW MIN)

NEC's 1625 nm InGaAsP MQW FP
PULSED LASER DIODE IN DIP PACKAGE
NX7661JB-BC
FOR OTDR APPLICATION (120 mW MIN)
FEATURES
• HIGH OUTPUT POWER:
Pf = 120 mW MIN at IFP = 1000 mA,
Pulse width (PW) = 10 ms, Duty = 1%
• LONG WAVELENGTH:
λC = 1625 nm
• INTERNAL THERMOELECTRIC COOLER, THERMISTOR
• HERMETICALLY SEALED 14 PIN DUAL-IN-LINE PACKAGE
• 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 (TLD = 25°C, TC = -20 to +65°C, unless otherwise specified)
SYMBOLS
VFP
ITH
Pf
λC
σ
tr
tf
PART NUMBER
PARAMETERS AND CONDITIONS
Forward Voltage, CW, IF = 30 mA
Threshold Current, CW
Optical Output Power from Fiber, IFP = 1000 mA,
PW = 10 µs, Duty = 1 %
Center Wavelength, RMS, IFP = 1000 mA,
PW = 10 µs, Duty = 1 %
Spectral Width, RMS, IFP = 1000 mA,
PW = 10 µs, Duty = 1 %
Rise Time, 10-90%
Fall Time, 90-10%
UNITS
V
mA
mW
nm
nm
ns
ns
MIN
120
1615
NX7661JB-BC
TYP
30
1625
7.0
MAX
4.0
70
1635
15.0
2.0
2.0
ELECTRO-OPTICAL CHARACTERISTICS
APPLICABLE TO THERMISTOR AND TEC: (TLD = 25°C, TC = -20 to +65°C, unless otherwise specified)
PART NUMBER
NX7661JB-BC
SYMBOLS
R
B
IC
VC
∆T¹
PARAMETERS AND CONDITIONS
Thermistor Resistance, TLD = 25°C
B Constant
Cooler Current, ∆T = 40 K
Cooler Voltage, ∆T = 40 K
Cooling Capacity, IC = 0.8 A
Note:
1. ∆T = | TC - TLD |.
UNITS
kΩ
K
A
V
K
MIN
9.5
3350
40
TYP
10.0
3450
0.6
1.1
MAX
10.5
3550
0.8
1.5
California Eastern Laboratories