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NEC's 1310 nm InGaAsP MQW-DFB LASER DIODE NX8304BE-CC IN COAXIAL PACKAGE NX8304CE-CC FOR FIBER OPTIC COMMUNICATIONS
FEATURES
* INTERNAL OPTICAL ISOLATOR * PEAK EMISSION WAVELENGTH: p = 1310 nm * OPTICAL OUTPUT POWER: Pf = 2.0 mW * WIDE OPERATING TEMPERATURE RANGE: TC = -40 to +85C * InGaAs MONITOR PIN-PD * WITH SC-UPC CONNECTOR * BASED ON TELCORDIA RELIABILITY
DESCRIPTION
NEC's NX8304BE-CC and NX8304CE-CC are 1310 nm Distributed Feed-Back (DFB) laser diode coaxial modules with an internal optical isolator. These modules are light source for fiber optic communications.
ELECTRO-OPTICAL CHARACTERISTICS (TC = -40 to +85C, unless otherwise specified)
PART NUMBER SYMBOLS Pf VOP ITH PTH IMOD PARAMETERS AND CONDITIONS Optical Output Power from Fiber, CW Operating Voltage, Pf = 2.0 mW Threshold Current Threshold Output Power, IF = ITH Modulation Current Differential Efficiency Pf = 2.0 mW, TC = 25C Pf = 2.0 mW TC = +25C UNITS mW V mA mA W mA mA W/A W/A dB 8 6 0.07 0.040 -3.5 20 0.100 -2.2 MIN NX8304BE-CC, NX8304CE-CC TYP 2.0 1.2 15 1.6 25 55 100 30 50 0.2 0.300 MAX
d
d
Pf = 2.0 mW, TC = 25C Pf = 2.0 mW Temperature Dependence of Differential Efficiency, d (@ TC C) d = 10 log d (@ 25 C) Kink, Pf = Up to 2.4 mW (Refer to defenitions) Peak Emission Wavelength, Pf = 2.0 mW Temperature Dependence of Peak Emission Wavelength Spectral Width, Pf = 2.0 mW, -20 dB down width Side Mode Suppression Ratio, Pf = 2.0 mW Cut-Off Frequency, Pf = 2.0mW Rise Time, 10 to 90%, Ppk = 2.0 mW, IF = ITH Fall Time, 90 to 10%, Ppk = 2.0 mW, IF = ITH Monitor Current, VR = 5 V, Pf = 2.0 mW Monitor Dark Current VR = 5 V, TC = 25 C VR = 5 V
Kink p /T SMSR fc tr tf Im ID Ct LINm 1 RIN ORL
% nm nm/C nm dB GHz ns ns A nA nA pF % dB dB/Hz dB 35 0.5 -135 52 200 30 1280 1310 0.09 0.1 40 2.0 0.15 0.15 700 0.1 10 1.0
20 1335 0.1 1.0
0.5 0.5 1500 50 500 20 15 1.0
Monitor PD Terminal Capacitance, VR = 5 V, f = 1 MHz Linearity, VR = 5 V, Pf = 0.2 to 2.0 mW (Refer to defenitions) Tracking Error, Im = const.(Refer to defenitions) Relative Intensity Noise Optical Return Loss, SMF
California Eastern Laboratories
NX8304BE-CC, NX8304CE-CC ABSOLUTE MAXIMUM RATINGS1
(TC = 25C, unless otherwise specified) SYMBOLS Pf IF VR IF VR TC TSTG TSLD RH PARAMETERS Optical Output Power from Fiber Forward Current of LD Reverse Voltage of LD Forward Current of PD Reverse Voltage of PD Operating Case Temperature Storage Temperature Lead Soldering Temperature (3 s) Relative Humidity (noncondensing) UNITS RATINGS mW mA V mA V C C C % 5 150 2.0 2.0 15 -40 to +85 -40 to +85 350 85
Note: 1. Operation in excess of any one of these parameters may result in permanent damage.
PARAMETER DEFINITIONS
Kink : kink
(mW) 2.4 dPo PK dPK IF - d Pf IF - Pf
kink =
x 100 [%] PK dPK = dPo MAX PK 2.4 (mW)
|dPK|
0 (mA)
IF
Linearity : LINm
Pf (mW) 2.0
LINm =
PK
|dPL| x 100 [%] PL
PL dPL dPo 0.2 0 Im (mA)
dPL = dPo MAX 0.2 < PL < 2.0 (mW)
Tracking Error :
Pf (mW) TC = 25C
2.0 TC = -40 to +85C Pf
= |10 log
Pf 2.0
| [dB]
0
Im
Im (mA)
NX8304BE-CC, NX8304CE-CC TYPICAL PERFORMANCE CURVES (TC = 25C unless otherwise specified)
OPTICAL OUTPUT POWER FROM FIBER vs. FORWARD CURRENT OPERATING CURRENT AND THRESHOLD CURRENT vs. CASE TEMPERATURE
100 Pf = 2 mW
Optical Output Power from Fiber, Pf (mW)
5.0 +25C +85C
4.0
Threshold Current, ITH (mA) Operating Current, IOP (mA)
Tc = -40C
50 IOP 30 20
3.0
2.0
ITH
1.0
10
0
20
40
60
80
100
5 -20
0
20
40
60
80
Forward Current, IF (mA)
Case Temperature, TC (C)
Optical Output Power from Fiber, Pf (mW)
TEMPERATURE DEPENDENCE OF DIFFERENTIAL ENERGY
0.18
OPTICAL OUTPUT POWER FROM FIBER vs. MONITOR CURRENT
5.0
Differential Efficiency, d (W/A)
4.0
0.12
3.0
2.0
0.06
1.0
0.00 -60
-40
-20
0
20
40
60
80
100
0
0.5
1.0
1.5
Case Temperature, Tc (C)
Monitor Current, Im (mA)
FORWARD CURRENT vs. FORWARD VOLTAGE
100
10 0
SPECTRUM
Forward Current, IF (mA)
80
Relative Intensity (dB)
-10 -20 -30 -40 -50
60
40
20
-60
0 0.5 1.0 1.5 2.0 2.5
-70 1300 1310 1320
Forward Voltage, Vf (V)
Wavelength, (nm)
NX8304BE-CC, NX8304CE-CC TYPICAL PERFORMANCE CURVES (TC = 25C unless otherwise specified)
TEMPERATURE DEPENDENCE OF PEAK EMISSION WAVELENGTH
1320
Peak Emission Wavelength, p (nm)
1315
1310
1305
1300 -60
-40
-20
0
20
40
60
80
100
Case Temperature, Tc (C)
NX8304BE-CC, NX8304CE-CC OUTLINE DIMENSIONS (Units in mm)
NX8304BE-CC NX8304CE-CC
Optical Fiber (SMF) Length: 0.5 m With SC Connevtor
o3.20.25 15.0
o0.9
Optical Fiber (SMF) Length: 0.5 m With SC Connector
o0.9 o3.20.25 29.31.0
o7.00.2
29.01.0
o7.00.2
o2.2 (2 places)
15.0
8.0
8.0 0.50.2
20.01.0
19.51.0
2.51.0
0.3
0.3
4.00.2
o0.450.05
o0.450.05 (4 places)
o6.01.0 12.70.2 17.00.2
PIN CONNECTIONS
PD
7.20.3
PIN CONNECTIONS
o1
P.C.D. = o2.0
43 12
1.00.1
4 1 Case LD
3 2
6.0
21 4
P.C.D. = o2.0 2 - o2.5
3
2 PD 3 1 4 LD Case
7.00.2
3.70.3
12.00.15
16.0
OPTICAL FIBER CHARACTERISTICS
PARAMETER Mode Field Diameter Cladding Diameter Maximum Cladding Noncircularity Maximum Core/Cladding Concentricity Outer Diameter Cut-off Wavelength Minimum Fiber Bending Radius Fiber Length Flammability UNITS SPECIFICATION m m % % mm nm mm mm 9.51 1252 2 1.6 0.90.1 1100 to 1270 30 50050
ORDERING INFORMATION
PART NUMBER AVAILABLE CONNECTOR NX8304BE-CC NX8304CE-CC With SC-UPC Connector FLANGE TYPE Flat Mount Flange Vertical Mount Flange
UL 1581 VW-1
352 mm 8.990.5 mm
Fiber Length: 50050 mm
Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale.
03/03/2003
A Business Partner of NEC Compound Semiconductor Devices, Ltd.

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