Hamamatsu L7892-31 Laser diode Datasheet

LASER DIODE
Laser diode
L8347/L7892 series
Pigtail type, 1.3 µm, 1.25, 2.5 Gbps
L8347 and L7892 series are high-speed infrared emitter devices specifically developed for 1.3 µm band optical fiber communications. These
devices incorporate a high-speed Fabry-Perot laser diode integrated in a pig-tail module. Packages are available with various connectors and
mounting styles.
Features
Applications
l High-speed Fabry-Perot laser diode
l Optical fiber communications
l Fiber channel
l Gigabit ethernet
l HDTV
l SDH
L8347 series: 1.25 Gbps
L7892 series: 2.5 Gbps
l Compatible with single-mode optical fiber
■ Absolute maximum ratings (Ta=25 °C)
Parameter
Forward current
Reverse voltage (laserdiode)
Reverse voltage (photodiode)
Operating temperature
Storage temperature
* Duty ratio: 50 %
Symbol
L8347 series
Ith + 14 (DC)
Ith + 28 (pulse) *
I.
V4
V4m
Topr
Tstg
2
20
-20 to +70
-40 to +70
■ Electrical and optical characteristics (Typ. Ta=25 °C, I.=Ith +10 mA)
Parameter
Peak wavelength
Forward voltage
Threshold current
Fiber end output
Rise time
Data rate
Monitor current (photodiode)
Symbol
lp
V.
Ith
P.
tr
B
Im
L8347 series
1.31
1.1
6
0.1
250
1.25
0.4
■ Package lineup
Configuration
Mounting style
Module
Dimensional outline
Type
Fiber
Length
Type
Connector
Dimensional outline
-11
SC
➃
Coaxial
➀
-12
FC
➄
L8347/L7892
-21
-22
Board
➁
SM (9.5/125) f0.9
1 m +20 cm/-0 cm
SC
FC
➃
➄
L7892 series
Ith + 16 (DC)
Ith + 32 (pulse) *
Unit
mA
mA
V
V
°C
°C
L7892 series
1.31
1.1
9
0.3
200
2.5
0.5
Unit
µm
V
mA
mW
ps
Gbps
mA
-31
SC
➃
Panel
➂
-32
FC
➄
1
L8347/L7892 series
Laser diode
■ Dimensional outline (unit: mm, tolerance unless otherwise noted: ±0.2)
Mounting type
a
➁ Board
➀ Coaxial
b
0.75 ± 0.5
1.0
a
12.7
7.0
6.1
0.45 ± 0.1
LEAD
7.0
( 2.0)
0.45 ± 0.1
LEAD
6.1
17.0 ± 0.3
b
c
( 2.0)
c
INDEX MARK
7.4
L8347-11/-12
L7892-11/-12
a
(24.1)
(22.8)
b
9.1
7.8
c
(16)
(10)
KLEDA0049EA
➂ Panel
L8347-21/-22
L7892-21/-22
a
(24.1)
(22.8)
b
9.1
7.8
c
(16)
(10)
(2 ×)
2.2
2.0
4.0 ± 0.3
KLEDA0050EA
a
b
2.5
0.5 ± 0.3
( 2.0)
(2 ×)
2.5
L8347-31/-32
7.0
8.0
0.45 ± 0.1
LEAD
12
6.1
16
c
8.1
INDEX MARK
■ Pin connection
Pin No.
➀
➁
➂
➃
L7892-31/-32
a
(24.4)
(23.1)
b
9.4 ± 0.3
8.1 ± 0.3
c
(16)
(10)
L8347 series
Anode (PD)
Anode (LD)
Cathode (LD)
Cathode (PD)
L7892 series
Cathode (PD)
Cathode (LD)
Anode (LD)
Anode (PD)
KLEDA0051EA
Connector
➃ SC
➄ FC
JIS C5970
FC/SPC CONNECTOR
JIS C5973
SC/SPC CONNECTOR
KIRDA0102EA
KIRDA0103EA
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2001 Hamamatsu Photonics K.K.
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
2
Cat. No. KLED1019E02
Jan. 2001 DN
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