LASER DIODE
NX5312 Series
1 310 nm FOR 156 Mb/s, 622 Mb/s, 1.25 Gb/s,
InGaAsP MQW-FP LASER DIODE
DESCRIPTION
The NX5312 Series is a 1 310 nm Multiple Quantum Well (MQW)
structured Fabry-Perot (FP) laser diode with InGaAs monitor PIN-PD. These
devices are designed for application up to 1.25 Gb/s.
APPLICATIONS
• STM-1 (L-1.1), STM-4 (S-4.1), ITU-T recommendations
• FTTH (Fiber To The Home) system
FEATURES
• Optical output power
• Low threshold current
• Differential Efficiency
• InGaAs monitor PIN-PD
• CAN package
• Focal point
P
o
= 5.0 mW
l
th
= 6 mA
η
d
= 0.45 W/A
• Wide operating temperature range T
C
=
−40
to +85°C
φ
5.6 mm
6.35 mm
Document No. PL10528EJ02V0DS (2nd edition)
Date Published July 2006 NS CP(K)
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
NX5312 Series
<R>
PACKAGE DIMENSIONS (UNIT: mm)
φ
5.6
+0.00
–0.03
*2
(
φ
4.2)
*2
(
φ
3.55)
1.0±0.1
*2
BOTTOM VIEW
1
2
3
4
(0.3)
110˚±2˚
*2
(0.3)
φ
2.0
3.87±0.3
2.97±0.2
6.35±0.5
Focal Point
∆
x = ±300
µ
m MAX.
∆
y = ±300
µ
m MAX.
*1
PIN CONNECTIONS
NX5312EH
1 (Case)
NX5312EK
1 (Case)
LD
2
4
4
PD
3
15.0±1.0 1.2±0.1
Reference
Plane
2
4–
φ
0.45
PD
3
LD
φ
2.0
*1
Focal Point: A point to get maximum optical output power from fiber.
*2
( ) indicates nominal dimension.
2
Data Sheet PL10528EJ02V0DS
NX5312 Series
ORDERING INFORMATION
Part Number
NX5312EH-AZ*
Package
4-pin CAN with ball lens cap
2
PD
3
Pin Connections
1
LD
4
NX5312EK-AZ*
2
1
LD
4
PD
3
Remarks 1.
The color of ball lens cap might be observed differently.
2.
*NOTE:
Please refer to the last page of this data sheet, “Compliance with EU Directives” for
Pb-Free RoHS Compliance Information.
The hermetic test will be performed as AQL 1.0%.
Data Sheet PL10528EJ02V0DS
3
NX5312 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
−40
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
Differential Efficiency
Center Wavelength
Spectral Width
Rise Time
Fall Time
Monitor Current
Monitor Dark Current
Monitor PD Terminal Capacitance
Focal Distance
Symbol
V
op
I
th
P
o
= 5.0 mW
Conditions
MIN.
TYP.
1.1
6
0.35
P
o
= 5.0 mW, RMS (−20 dB)
P
o
= 5.0 mW, RMS (−20 dB)
10-90%
90-10%
V
R
= 1.5 V, P
o
= 5.0 mW
V
R
= 10 V
V
R
= 10 V, f = 1 MHz
P
o
= 5.0 mW
5.85
5
6.35
100
1 290
0.45
1 310
1.0
0.15
0.15
300
1 330
2.0
0.3
0.3
900
10
20
6.85
MAX.
1.5
15
Unit
V
mA
W/A
nm
nm
ns
ns
η
d
λ
C
σ
t
r
t
f
I
m
I
D
C
t
D
f
µ
A
nA
pF
mm
4
Data Sheet PL10528EJ02V0DS
NX5312 Series
<R>
TYPICAL CHARACTERISTICS (T
C
=
−40
to +85°C, unless otherwise specified)
OPTICAL OUTPUT POWER
vs. FORWARD CURRENT
6
Optical Output Power P
o
(mW)
OPERATING CURRENT AND THRESHOLD
CURRENT vs. CASE TEMPERATURE
100
+25˚C
+85˚C
Operating Current I
op
(mA),
Threshold Current I
th
(mA)
5
4
3
2
1
T
C
= –40˚C
50
I
op
I
th
10
5
0
10
20
30
40
50
1
–60 –40 –20
0
20
40
60
80
100
Forward Current I
F
(mA)
Case Temperature T
C
(˚C)
TEMPERATURE DEPENDENCE OF
CENTER WAVELENGTH
1 350
Center Wavelength
λ
C
(nm)
1 340
1 330
1 320
1 310
1 300
1 290
1 280
1 270
–60 –40 –20
0
20
40
60
80
100
Case Temperature T
C
(˚C)
Remark
The graphs indicate nominal characteristics.
Data Sheet PL10528EJ02V0DS
5
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