PRELIMINARY DATA SHEET
LASER DIODE
NX6307 Series
1 310 nm FOR 2.5 Gb/s
InGaAsP MQW-DFB LASER DIODE
DESCRIPTION
The NX6307 Series is a 1 310 nm Multiple Quantum Well (MQW) structured
Distributed Feed-Back (DFB) laser diode with InGaAs monitor PIN-PD. This
device is ideal for Synchronous Digital Hierarchy (SDH) system, short haul
and long haul STM-16, ITU-T recommendations.
NX6307S Series
FEATURES
• Optical output power
• Low threshold current
• High speed
• Side mode suppression ratio
• InGaAs monitor PIN-PD
• CAN package
• Based on Telcordia reliability
P
o
= 7.0 mW
l
th
= 10 mA @ T
C
= 25°C
t
r
, t
f
= 0.2 ns MAX.
SMSR = 45 dB @ TYP.
• Wide operating temperature range T
C
=
−20
to +85°C
φ
5.6 mm
NX6307G Series
The information in this document is subject to change without notice. Before using this document, please confirm that
this is the latest version.
Not all devices/types available in every country. Please check with local NEC Compound Semiconductor Devices
representative for availability and additional information.
Document No. PL10205EJ02V0DS (2nd edition)
Date Published January 2004 CP(K)
Printed in Japan
The mark
shows major revised points.
NEC Compound Semiconductor Devices 2002, 2004
NX6307 Series
PACKAGE DIMENSIONS (UNIT: mm)
NX6307S Series
5.6
4.2±0.1
3.55±0.05
+0.00
–0.03
1.0±0.1
BOTTOM VIEW
1
0.3
+0.1
–0.0
110˚±2˚
2
3
4
0.3
+0.1
–0.0
0.25±0.03
(GLASS)
1.6±0.1
0.25
0.33
PIN CONNECTIONS
NX6307SH
1 (CASE)
LD
2
PD
3
4
PD
3
2
4
1.0 MIN.
*1
NX6307SK
1 (CASE)
LD
15.0±1.0 1.2±0.1 2.1±0.15
LD CHIP
1.27±0.05
REFERENCE
PLANE
4– 0.45
2.0
P.C.D
*1
n = 1.48 Bolosilicate Glass
NX6307G Series
5.6
+0.00
–0.03
4.3±0.1
3.75±0.05
BOTTOM VIEW
1.0±0.1
1
110˚±2˚
0.3
+0.1
–0.0
2
3
4
0.3
+0.1
–0.0
Focal Point
PIN CONNECTIONS
15.0±1.0 1.2±0.1 3.97±0.1
8.5±1.0
NX6307GH
1 (CASE)
LD
2
PD
3
4
2
NX6307GK
1 (CASE)
LD
4
PD
3
4– 0.45
2.0
P.C.D
2
Preliminary Data Sheet PL10205EJ02V0DS
NX6307 Series
ORDERING INFORMATION
NX6307S Series
Part Number
NX6307SH
Package
4-pin CAN with flat glass cap
2
PD
3
Pin Connections
1
LD
4
NX6307SK
2
PD
1
LD
4
3
NX6307G Series
Part Number
NX6307GH
Package
4-pin CAN with aspherical lens cap
2
PD
3
Pin Connections
1
LD
4
NX6307GK
2
PD
1
LD
4
3
Preliminary Data Sheet PL10205EJ02V0DS
3
NX6307 Series
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
Assembly Temperature
Lead Soldering Temperature
Relative Humidity (noncondensing)
Symbol
P
o
I
F
V
R
I
F
V
R
T
C
T
stg
T
asb
T
sld
RH
Ratings
20
150
2.0
10
20
−20
to +85
−40
to +85
150 (15 Hr)
350 (3 sec.)
85
Unit
mW
mA
V
mA
V
°C
°C
°C
°C
%
ELECTRO-OPTICAL CHARACTERISTICS (T
C
= 25°C, unless otherwise specified)
Parameter
Operating Voltage
Threshold Current
Symbol
V
op
I
th
T
C
= 85°C
Threshold Output Power
Optical Output Power
Differential Efficiency
Temperature Dependence of
Differential Efficiency
Modulation Current
Peak Emission Wavelength
I
mod
λ
p
P
th
P
o
T
C
=
−20
to +85°C, I
F
= I
th
I
F
= I
th
+ 20 mA
4
0.2
Conditions
P
o
= 7.0 mW, T
C
=
−20
to +85°C
MIN.
TYP.
1.1
10
30
100
7
0.35
−2.5
MAX.
1.6
20
40
200
Unit
V
mA
µ
W
mW
W/A
dB
η
d
∆η
d
∆η
d
= 10 log
T
C
= 85°C
P
o
= 7.0 mW, RMS (−20 dB),
T
C
=
−20
to +85°C
η
d
(@ 85°C)
η
d
(@ 25°C)
−3.0
50
1 280
1 335
mA
nm
Side Mode Suppression Ratio
SMSR
P
o
= 7.0 mW, RMS (−20 dB),
T
C
=
−20
to +85°C
30
45
dB
Vertical Beam Angle
Lateral Beam Angle
Rise Time
Fall Time
Monitor Current
*1
θ
⊥
θ
//
t
r
t
f
I
m
I
D
P
o
= 7.0 mW, FAHM
P
o
= 7.0 mW, FAHM
10-90%
90-10%
*2
35
30
40
35
0.2
0.2
deg.
deg.
ns
ns
*1
*2
V
R
= 5 V, I
F
= I
th
+ 20 mA
V
R
= 5 V
V
R
= 5 V, T
C
=
−20
to +85°C
280
840
0.1
1 400
10
500
µ
A
nA
Monitor Dark Current
Monitor PD Terminal Capacitance
Tracking Error
*3
C
t
γ
V
R
= 5 V, f = 1 MHz
I
m
= const. (@ P
o
= 7.0 mW, T
C
= 25°C)
T
C
=
−20
to +85°C
−1.0
6.0
20
1.0
pF
dB
*1
Applicable to only NX6307S Series
*2
FAHM: Full Angle at Half Maximum
4
Preliminary Data Sheet PL10205EJ02V0DS
NX6307 Series
*3
Tracking Error:
γ
P
o
(mW)
T
C
= 25˚C
7.0
T
C
= –20 to +85˚C
P
o
γ
= 10 log
P
o
7.0
[dB]
0
I
m
I
m
(mA)
Preliminary Data Sheet PL10205EJ02V0DS
5
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