L9825 and L9826 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
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High-speed Fabry-Perot laser diode
L9825 series: 1.25 Gbps
L9826 series: 2.5 Gbps
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Compatible with single/multi mode optical fibers
Applications
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Optical fiber communications
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Fiber channel
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Gigabit ethernet
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HDTV
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SDH/SONET
LASER DIODE
Laser diode
Receptacle type, 1.3 µm, 1.25, 2.5 Gbps
L9825/L9826 series
■ Absolute maximum ratings (Ta=25 °C)
Parameter Symbol L9825 series L9826 series Unit
Ith + 14 (CW) Ith + 16 (CW) mA
Forward current (laser diode) IFIth + 28 (pulse) *1Ith + 32 (pulse) *1mA
Reverse voltage (laser diode) VR Max. 2 V
Forward current (photodiode) IFm2 10mA
Reverse voltage (photodiode) VRm Max. 20 V
Operating temperature *2Topr -20 to +70 °C
Storage temperature *2Tstg -40 to +70 °C
*1: Duty ratio 50 %
*2: No condensation
■ Electrical and optical characteristics (Typ. Ta=25 °C, IF=Ith +10 mA)
L9825 series L9826 series
Parameter Symbol Conditions Min. Typ. Max. Min. Typ. Max. Unit
Forward voltage VFCW - 1.1 1.5 - 1.1 1.3 V
Threshold current ITH - 6 15 - 9 13 mA
Fiber end output *3PFCW 0.1 0.2 - 0.1 0.2 - mW
Peak emission wavelength λpCW 1.29 1.31 1.33 1.29 1.31 1.33 µm
Spectral width ∆λ CW - - 8.0 - 2.0 8.0 nm
Rise/fall time tr, tf 20 to 80 % -250 - - 200 -ps
Monitor current (photodiode) Im CW, VRm=3.5 V 0.05 0.4 0.9 0.3 0.5 1.2 mA
Dark current (photodiode) IDVRm=3.5 V - - 100 - - 10 nA
Tracking error *4TE CW, APC,
Ta= -20 to +70 °C - - 1.5 - - 1.5 dB
*3: Measured using a single-mode optical fiber (mode field diameter 9.5/125 µm) with a master plug.
■ Package lineup
L9825/L9826
Parameter -21 -22 -32
Mounting style Board Panel
Connector SC FC FC
Dimensional outline ➀➁➂
1
*4: Er = MAX 10 · log Po
Po (Ta=25 ˚C) Po: Optical output at APC operation
ba
9.25 ± 0.1
13.45 ± 0.1
+0.05
2.0 ± 0.1
1.57 ± 0.1
5.5 ± 0.1
M8 × 0.75 P
(2 ×) 2.2 ± 0.1
7.95 ± 0.1
19
-0.25
JIS C5970
FC RECEPTACLE
2.0)(
0.45 ± 0.1
LEAD
(2 ×) 4.2 ± 0.1
8.8
(16)
b
a
L9825-32
7.5
(10)
L9826-32
Tolerance unless otherwise
noted: ±0.2
Laser diode
L9825/L9826 series
■ Pin connection
Pin No. L9825 series L9826 series
➀Anode (PD) Cathode (PD)
➁Anode (LD) Cathode (LD)
➂Cathode (LD) Anode (LD)
➃Cathode (PD) Anode (PD)
12.7
9.43.0
10.16 5.08c
0.45 ± 0.1
LEAD
7.5
2.0)(
ba
JIS C5973
SC RECEPTACLE
0.7 ± 0.1
2.75
22.5 ± 0.4
(16)
c
b
a
L9825-21
1.45
21.2 ± 0.4
(10)
L9826-21
Tolerance unless otherwise
noted: ±0.2
12.8
9.5
0.45
LEAD
M8 × 0.75 P
a
c 11.55
b
JIS C5970
FC RECEPTACLE
d
AA
6.1
9.2
16.35 ± 0.3
(4.8)
3.05
(16)
d
c
b
a
L9825-22
15.05 ± 0.3
(3.5)
1.75
(10)
L9826-22
2.0)(
Tolerance unless otherwise
noted: ±0.1
(
2.5)
2-56 UNC 2B
2 PLCS
(DEPTH 4 mm)
(4)(5.2)
■ Dimensional outlines (unit: mm)
➀ L9825/L9826-21 ➁ L9825/L9826-22
➂ L9825/L9826-32
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, 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.: 19, 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
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 an y of the circuits described herein. ©2006 Hamamatsu Photonics K.K.
Cat. No. KLED1047E02
Apr. 2006 DN
2
KLEDA0034EC
KLEDA0035ED
KLEDA0036EC
