NEC's 1310 nm
InGaAsP MQW DFB LASER DIODE
IN COAXIAL PACKAGE
FOR 622 Mb/s APPLICATION
NX8303BG-CC
NX8303CG-CC
FEATURES
PEAK EMISSION WAVELENGTH:
p
= 1310 nm
OPTICAL OUTPUT POWER:
P
f
= 2.0 mW
WIDE OPERATING TEMPERATURE RANGE:
Tc = -10 to +85
C
SIDE MODE SUPPRESSION RATIO
SMSR = 40 dB
InGaAs MONITOR PIN-PD
WITH SC-UPC CONNECTOR
BASED ON TELCORDIA RELIABILITY
NEC's NX8303BG-CC and NX8303CG-CC are 1310 nm Dis-
tributed Feed-Back (DFB) laser diode coaxial modules with an
internal optical isolator. These modules are ideal as light
sources for Synchronous Digital Hierarchy (SDH) systems,
STM-4, long-haul L-4.1 ITU-T recommendations.
DESCRIPTION
California Eastern Laboratories
PART NUMBER
NX8303BG-CC, NX8303CG-CC
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
MAX
P
f
Optical Output Power from Fiber, CW
mW
2.0
V
OP
Operating Voltage,
P
f
= 2.0 mW
V
1.2
1.6
I
TH
Threshold Current
T
C
= +25
C
mA
15
25
mA
55
P
TH
Threshold Output Power, I
F
= I
TH
W
100
I
MOD
Modulation Current
P
f
= 2.0 mW, T
C
= 25
C
mA
8
20
30
P
f
= 2.0 mW
mA
6
50
d
Differential Efficiency
P
f
= 2.0 mW, T
C
= 25
C
W/A
0.070
0.100
0.200
P
f
= 2.0 mW
W/A
0.040
0.300
d
Temperature Dependence of Differential Efficiency,
dB
-3.5
-2.2
Kink
Kink, P
f
= Up to 2.4 mW (Refer to defenitions)
%
20
p
Peak Emission Wavelength, P
f
= 2.0 mW
nm
1280
1310
1335
/
T
Temperature Dependence of Peak Emission Wavelength
nm/
C
0.09
0.1
Spectral Width, P
f
= 2.0 mW, -20 dB down width
nm
0.1
1.0
SMSR
Side Mode Suppression Ratio, P
f
= 2.0 mW
dB
30
40
f
c
Cut-off Frequency, -3 dB, V
R
= 5 V, P
f
= 2.0 mW
GHz
2.0
t
r
Rise Time, 10 to 90%, P
pk
= 2.0 mW, I
F
= I
TH
ns
0.15
0.5
t
f
Fall Time, 90 to 10%, P
pk
= 2.0 mW, I
F
= I
TH
ns
0.15
0.5
I
m
Monitor Current, V
R
= 5 V, P
f
= 2.0 mW
A
200
700
1500
I
D
Monitor Dark Current
V
R
= 5 V, T
C
= 25
C
nA
0.1
50
V
R
= 5 V
nA
10
500
C
t
Monitor PD Terminal Capacitance, V
R
= 5 V, f = 1 MHz
pF
1.0
20
LIN
m
Linearity, V
R
= 5 V, P
f
= 0.2 to 2.0 mW (Refer to defenitions)
%
10
1
Tracking Error, I
m
= const. (Refer to defenitions)
dB
0.5
1.0
RIN
Relative Intensity Noise, Ref = -14 dB
dB/Hz
-135
ELECTRO-OPTICAL CHARACTERISTICS
(T
C
= -10 to +85
C, unless otherwise specified)
d
= 10 log
d
(@ T
C
C)
d
(@ 25 C)
ABSOLUTE MAXIMUM RATINGS
1
(T
C
= 25
C, unless otherwise specified)
SYMBOLS
PARAMETERS
UNITS RATINGS
P
f
Optical Output Power from Fiber
mW
5
I
F
Forward Current of LD
mA
150
V
R
Reverse Voltage of LD
V
2.0
I
F
Forward Current of PD
mA
2.0
V
R
Reverse Voltage of PD
V
15
T
C
Operating Case Temperature
C
-10 to +85
T
STG
Storage Temperature
C
-40 to +85
T
SLD
Lead Soldering
Temperature (10 s)
C
260
RH
Relative Humidity
(noncondensing)
%
85
Note:
1. Operation in excess of any one of these parameters may result
in permanent damage.
NX8303BG-CC, NX8303CG-CC
PARAMETER DEFINITIONS
2.4
P
K
0
I
F
- P
f
dP
o
dP
K
I
F -
d
I
F
(mA)
(mW)
P
f
kink =
x 100 [%]
|
dP
K
|
P
K
dP
K
= dPo MAX
P
K
2.4 (mW)
Kink : kink
P
K
0
dP
o
dP
L
P
f
I
m
(mA)
(mW)
0.2
PL
2.0
LINm =
x 100 [%]
|dP
L
|
P
L
dP
L
= dPo MAX
0.2 < P
L
< 2.0 (mW)
Linearity : LIN
m
0
P
f
I
m
I
m
(mA)
(mW)
P
f
2.0
T
C
= 25C
T
C
= -10 to +85C
=
|
10 log
|
[dB]
P
f
2.0
Tracking Error :
Case Temperature, T
C
(
C)
Threshold Current, I
TH
(mA)
Operating Current, I
OP
(mA)
OPERATING CURRENT AND
THRESHOLD CURRENT
vs. CASE TEMPERATURE
TYPICAL PERFORMANCE CURVES
(T
C
= 25
C unless otherwise specified)
I
TH
I
OP
@Pf = 2 mW
100
10
1
-60
-40
-20
0
20
40
60
80
100
1320
1315
1310
1305
1300
-40
-20
0
20
40
60
80
100
Case Temperature, T
C
(
C)
Peak Emission Wavelength,
p (nm)
TEMPERATURE DEPENDENCE OF
PEAK EMISSION WAVELENGTH
Remark:The graphs indicate nominal characteristics.
NX8303BG-CC, NX8303CG-CC
Relative Intensity (dB)
Wavelength,
(nm)
SPECTRUM
1300
1310
1320
10
0
-10
-20
-30
-40
-50
-60
-70
Forward Voltage, V
F
(V)
Forward Current, I
F
(mA)
FORWARD CURRENT vs.
FORWARD VOLTAGE
TEMPERATURE DEPENDENCE OF
DIFFERENTIAL EFFICIENCY
FROM FIBER
Case Temperature(
C)
Differential Efficiency From Fiber,
d
(W/A)
-40
-20
0
20
40
60
80
100
0.18
0.12
0.06
0.00
100
80
60
40
20
0
0
0.5
1.0
1.5
2.0
2.5
NX8303BG-CC, NX8303CG-CC
OPTICAL FIBER CHARACTERISTICS
PARAMETER
UNITS SPECIFICATION
Mode Field Diameter
m
9.5
1
Cladding Diameter
m
125
2
Maximum Cladding Noncircularity
%
2
Maximum Core/Cladding Concentricity
%
1.6
Outer Diameter
mm
0.9
0.1
Cut-off Wavelength
nm
1100 to 1270
Minimum Fiber Bending Radius
mm
30
Fiber Length
mm
500
50
Flammability
UL 1581 VW-1
352 mm
Fiber Length: 50050 mm
SC-UPC Connector
8.990.5 mm
OUTLINE DIMENSIONS
(Units in mm)
NX8303BG-CC
0.9
Optical Fiber (SMF)
Length: 0.5 m
With SC Connector
8.00.3
7.00.2
4.00.2
2.2
3.2
2.2
0.450.05
18.31.0
25.51.0
1.20.2
20.01.0
12.70.2
17.00.2
P.C.D. = 2.0
7.20.3
3.70.3
1.00.1
PD
LD
4
1
3
2
CASE
6.0
0.9
Optical Fiber (SMF)
Length: 0.5 m
With SC Connector
8.00.3
0.50.3
7.00.2
0.450.05
15.0
7.3
0.5
28.31.0
19.51.0
16.0
6.0
PD
3
2
LD
4
1
CASE
P.C.D. = 2.0
4R1.250.2
22.5
8.50.2
1
2
3
4
12.00.15
7.00.2
NX8303CG-CC
PART NUMBER AVAILABLE CONNECTOR
FLANGE TYPE
NX8303BG-CC
With SC-UPC Connector
Flat Mount Flange
NX8303CG-CC
Vertical Mount
Flange
ORDERING INFORMATION
A Business Partner of NEC Compound Semiconductor Devices, Ltd.
03/03/2003
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.
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