DATA SHEET
LASER DIODE
NX6311EH
1 310 nm AlGaInAs MQW-DFB LASER DIODE
FOR 4 Gb/s FIBER CHANNEL APPLICATION
DESCRIPTION
The NX6311EH is a 1 310 nm Multiple Quantum Well (MQW) structured
Distributed Feed-Back (DFB) laser diode with InGaAs monitor PIN-PD.
APPLICATION
• 4 G fiber channel
FEATURES
• Optical output power
• Low threshold current
• Differential efficiency
• InGaAs monitor PIN-PD
• CAN package
• Focal point
P
o
= 7.0 mW
l
th
= 8 mA
η
d
= 0.40 W/A
• Wide operating temperature range T
C
=
−30
to +85°C
φ
5.6 mm
5.8 mm
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
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sales representative for availability and additional information.
Document No. PL10631EJ02V0DS (2nd edition)
Date Published December 2006 NS CP(N)
Printed in Japan
The mark <R> shows major revised points.
2006
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
NX6311EH
PACKAGE DIMENSIONS (UNIT: mm)
φ
5.6
+0.00
–0.03
(
φ
4.2)
*2
*2
(
φ
3.55)
1.0±0.1
BOTTOM VIEW
1
2
3
4
110˚±2˚
(0.3)
*2
(0.3)
*1
φ
2.0
3.87±0.3
2.97±0.2
5.80±0.5
Focal Point
Δ
x = ±300
μ
m MAX.
Δ
y = ±300
μ
m MAX.
*2
PIN CONNECTIONS
Reference
Plane
2
1 (Case)
LD
4
PD
3
15.0±1.0 1.2±0.1
4–
φ
0.45
φ
2.0
*1
Focal Point: A point to get maximum optical output power from fiber.
*2
( ) indicates nominal dimension.
2
Data Sheet PL10631EJ02V0DS
NX6311EH
ORDERING INFORMATION
Part Number
NX6311EH
Package
4-pin CAN with ball lens cap
2
PD
3
Pin Connections
1
LD
4
Remarks 1.
The color of ball lens cap might be observed differently.
2.
The hermetic test will be performed as AQL 1.0%.
Data Sheet PL10631EJ02V0DS
3
NX6311EH
ABSOLUTE MAXIMUM RATINGS
Parameter
Optical Output Power
Forward Current of LD
Reverse Voltage of LD
Forward Current of PD
Reverse Voltage of PD
Operating Case Temperature
Storage Temperature
Lead Soldering Temperature
Relative Humidity (noncondensing)
Symbol
P
o
I
F
V
R
I
F
V
R
T
C
T
stg
T
sld
RH
Ratings
15
120
2.0
10
20
−30
to +85
−40
to +85
350 (3 sec.)
85
Unit
mW
mA
V
mA
V
°C
°C
°C
%
RECOMMENDED OPERATING CONDITION
Parameter
Bias Current
Symbol
I
bias
Conditions
T
C
= 25°C, refer to below
MIN.
TYP.
I
th
+20
MAX.
Unit
mA
P
f
(mW)
Ex = 10 log
P
1
P
1
[dB]
P
0
P
0
0
I
bias
I
mod
I
F
(mA)
4
Data Sheet PL10631EJ02V0DS
NX6311EH
ELECTRO-OPTICAL CHARACTERISTICS (T
C
=
−30
to +85°C, unless otherwise specified)
Parameter
Operating Voltage
Symbol
V
op
Conditions
CW, P
o
= 7.0 mW, T
C
= +25°C
CW, P
o
= 7.0 mW
Threshold Current
I
th
CW, T
C
= +25°C
CW
Differential Efficiency
2
0.25
0.12
1 290
−3.0
0.40
8
MIN.
TYP.
1.3
MAX.
1.6
2.0
20
40
0.50
0.65
1 330
1.5
nm
dB
W/A
mA
Unit
V
η
d
CW, T
C
= +25°C
CW
Peak Emission Wavelength
Temperature Dependence of Slope
Efficiency
Spectral Width
Rise Time
Fall Time
Side Mode Suppression Ratio
Relative Intensity Noise
Monitor Current
Monitor Dark Current
Monitor PD Terminal Capacitance
λ
p
P
o
= 7.0 mW, RMS (−20 dB)
Δη
σ
t
r
t
f
SMSR
RIN
I
m
I
D
C
t
Δη
= 10 log
η
d
(@ 85°C)
η
d
(@ 25°C)
P
o
= 7.0 mW, RMS (−20 dB)
20-80%
80-20%
CW, P
o
= 7.0 mW
CW, P
o
= 7.0 mW
V
R
= 1.5 V, P
o
= 7.0 mW
V
R
= 5 V
V
R
= 5 V, f = 1 MHz
6
200
35
1
90
90
nm
ps
ps
dB
−120
2 000
500
20
dB/Hz
μ
A
nA
pF
Data Sheet PL10631EJ02V0DS
5
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