Hamamatsu L7551-21 Receptacle type, 1.3 î¼m, 1.25, 2.5 gbp Datasheet

LASER DIODE
Laser diode
L8231/L7551 series
Receptacle type, 1.3 µm, 1.25, 2.5 Gbps
L8231 and L7551 series are high-speed infrared emitters specifically developed for 1.3 µm band optical fiber communications. These devices
incorporate a high-speed Fabry-Perot laser diode integrated in a receptacle 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
L8231 series: 1.25 Gbps
L7551 series: 2.5 Gbps
l Compatible with single/multi mode optical fibers
■ Absolute maximum ratings (Ta=25 °C)
Parameter
Forward current
Reverse voltage (laserdiode)
Reverse voltage (photodiode)
Operating temperature
Storage temperature
*1: Duty ratio 50 %
Symbol
IF
L8231 series
Ith + 14 (DC)
Ith + 28 (pulse) *1
VR
VR m
Topr
Tstg
L7551 series
Ith + 16 (DC)
Ith + 32 (pulse) *1
2
20
-20 to +70
-40 to +70
Unit
mA
mA
V
V
°C
°C
■ Electrical and optical characteristics (Typ. Ta=25 °C, IF=Ith +10 mA)
Parameter
Symbol
L8231 series
L7551 series
Peak wavelength
1.31
1.31
λp
Forward voltage
VF
1.1
1.1
Threshold current
Ith
6
9
Fiber end output *2
PF
0.2
0.2
Rise time
tr
250
200
Data rate
B
1.25
2.5
Monitor current (photodiode)
Im
0.4
0.5
*2: M e a s ur e d using a single- mo d e o ptical fiber ( m o d e field di am et er 9.5 µm) w i t h a m a ster plu g.
Unit
µm
V
mA
mW
ps
Gbps
mA
■ Package lineup
Parameter
Mounting style
Connector
Dimensional outline
-21
SC
➀
-22
Board
FC
➁
L8231/L7551
-23
MU
➂
-32
Panel
FC
➃
-44
Board & panel
LC
➄
1
L8231/L7551 series
Laser diode
■ Dimensional outlines (unit: mm, tolerance unless otherwise noted: ±0.2)
➁ L8231/L7551-22
L8231-21
L7551-21
a
(16)
(10)
b
22.5 ± 0.4
21.2 ± 0.4
c
2.75
1.45
L8231-22
L7551-22
a
(16)
(10)
b
2.8 ± 0.1
1.75 ± 0.1
c
(4.8)
(3.5)
d
16.35 ± 0.3
15.05 ± 0.3
SECTION A/A
( 2.5)
a
(4)
12.7
7.5
9.2 ± 0.1
b
6.1 ± 0.1
a
JIS C5973
SC RECEPTACLE
5.08
M8 × 0.75 P
9.5 ± 0.1
0.45 ± 0.1
LEAD
3.0
c
( 2.0)
A
0.45 ± 0.1
LEAD
10.16
12.8 ± 0.1
9.4
A
0.7 ± 0.1
2-56 UNC 2B
2 PLCS
(DEPTH: 4)
(5.2)
➀ L8231/L7551-21
( 2.0)
JIS C5970
FC RECEPTACLE
b
c
11.55 ± 0.1
d
KLEDA0034EB
➂ L8231/L7551-23
KLEDA0035EB
➃ L8231/L7551-32
L7551-23
(16)
(10)
b
1.3
0
9.0
L8231-23
a
L8231-32
L7551-32
a
(16)
(10)
b
8.8
7.5
2.0 ± 0.1
JIS C5983
MU RECEPTACLE
(2 ×)
9.25 ± 0.1
a
2.2 ± 0.1
b
5.5 ± 0.1
20.5 ± 0.4
12.0
( 2.0)
10.16
b
(2 ×)
5.08
7.5
M8 × 0.75 P
7.95 ± 0.1
+0.05
19 -0.25
13.45 ± 0.1
( 2.0)
1.21
0.45 ± 0.1
LEAD
0.7 ± 0.1
1.0
3.0
0.45 ± 0.1
LEAD
6.5
8.5
a
JIS C5970
FC RECEPTACLE
1.57 ± 0.1
4.2 ± 0.1
KLEDA0045EA
KLEDA0036EB
■ Pin connection
➄ L8231/L7551-44
L8231-44
L7551-44
a
(16)
(10)
b
1.3
0
Pin No.
➀
➁
➂
➃
ANSI/TIA/EIA 604-10
LC RECEPTACLE
L8231 series
Anode (PD)
Anode (LD)
Cathode (LD)
Cathode (PD)
L7551 series
Cathode (PD)
Cathode (LD)
Anode (LD)
Anode (PD)
9.6
a
b
7.62
( 2.0)
1.2
0.7 ± 0.1
0.45 ± 0.1
LEAD
3.0
(6.2)
13.5
11.55
7.5
2.42
5.08
9.35
22.1
KLEDA0046EB
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. ©2002 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. KLED1018E04
Jan. 2002 DN
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