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| LASER DIODE Laser diode L8231/L7551 series Receptacle type, 1.3 m, 1.25, 2.5 Gbps L8231 and L7551 series are high-speed infrared emitters specifically developed for 1.3 m 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 L8231 series: 1.25 Gbps L7551 series: 2.5 Gbps l Compatible with single/multi mode optical fibers Applications l High-speed Fabry-Perot laser diode l Optical fiber communications l Fiber channel l Gigabit ethernet l HDTV l SDH s 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 VR VRm Topr Tstg L8231 series Ith + 14 (DC) Ith + 28 (pulse) *1 2 20 -20 to +70 -40 to +70 L7551 series Ith + 16 (DC) Ith + 32 (pulse) *1 Unit mA mA V V C C s Electrical and optical characteristics (Typ. Ta=25 C, IF=Ith +10 mA) Parameter Symbol L8231 series L7551 series Peak wavelength 1.31 1.31 p 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 m) w i t h a m a ster plu g. Unit m V mA mW ps Gbps mA s Package lineup Parameter Mounting style Connector Dimensional outline -21 SC -22 Board FC L8231/L7551 -23 MU -32 Panel FC -44 Board & panel LC 1 Laser diode s Dimensional outlines (unit: mm, tolerance unless otherwise noted: 0.2) L8231/L7551-21 L8231-21 a b c (16) 22.5 0.4 2.75 L7551-21 (10) 21.2 0.4 1.45 a b c d L8231/L7551 series L8231/L7551-22 L8231-22 (16) 2.8 0.1 (4.8) 16.35 0.3 L7551-22 (10) 1.75 0.1 (3.5) 15.05 0.3 SECTION A/A ( 2.5) 2-56 UNC 2B 2 PLCS (DEPTH: 4) 7.5 a b 9.2 0.1 6.1 0.1 a A (4) A 12.7 (5.2) 0.7 0.1 10.16 0.45 0.1 LEAD 3.0 0.45 0.1 LEAD ( 2.0) c 5.08 JIS C5973 SC RECEPTACLE ( 2.0) b c 11.55 0.1 d JIS C5970 FC RECEPTACLE KLEDA0034EB M8 x 0.75 P 9.4 12.8 0.1 9.5 0.1 KLEDA0035EB L8231/L7551-23 L8231-23 a b (16) 1.3 L7551-23 (10) 0 L8231/L7551-32 L8231-32 9.0 L7551-32 (10) 7.5 2.0 0.1 a b (16) 8.8 JIS C5983 MU RECEPTACLE 20.5 0.4 a 9.25 0.1 (2 x) 2.2 0.1 a b 5.5 0.1 12.0 0.45 0.1 LEAD 0.7 0.1 10.16 0.45 0.1 LEAD 3.0 1.0 ( 2.0) 1.21 b 5.08 7.5 KLEDA0045EA ( 2.0) (2 x) 4.2 0.1 JIS C5970 FC RECEPTACLE 1.57 0.1 KLEDA0036EB L8231/L7551-44 L8231-44 a b (16) 1.3 L7551-44 (10) 0 ANSI/TIA/EIA 604-10 LC RECEPTACLE 9.6 7.5 a b s Pin connection Pin No. L8231 series Anode (PD) Anode (LD) Cathode (LD) Cathode (PD) L7551 series Cathode (PD) Cathode (LD) Anode (LD) Anode (PD) (6.2) 0.45 0.1 LEAD 3.0 0.7 0.1 7.62 ( 2.0) 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. (c)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: Smidesvagen 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 1.2 11.55 13.5 2 Cat. No. KLED1018E04 Jan. 2002 DN M8 x 0.75 P 13.45 0.1 7.95 0.1 19 -0.25 8.5 6.5 +0.05 |
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