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| 1550nm InGaAsP strained MQW DFB LD for 1.25G O2.0 TO CAN KLT-255412x Description KLT-255442x is long wavelength distributed feedback(DFB) laser diode(LD) sources in TO-56 package with O2mm ball lens cap. KLT-255412x consists of an InGaAsP strained multi-quantum well(MQW) LD and an InGaAs PIN-PD for output monitoring. It operates at 1550nm wavelength band and with data rates of 1.25 Gbps. It is suitable for fabricating pigtailed LD source, TOSA(transmitter optical sub assembly), and bi-directional module. FEATURES High performance strained MQW InGaAsP LD with BH(buried hetero-junction) structure Hermetically sealed TO-56 package with 2mm ball lens cap High reliability and environmental endurance Operating wavelength of 1.55m band Operating temperature range from 0C to 70C Data rates of 1.25Gbps APPLICATIONS SONET OC-24/SDH STM-8 1.25Gbps Gigabit Ethernet Suitable for fabrication of coaxial LD module, TOSA, and Bi-Di module Absolute Maximum Ratings Parameter Operating temperature Storage temperature Peak laser forward current Peak laser reverse voltage Peak forward monitor PD current Peak reverse monitor PD voltage Symbol Top Tstg If Vrl Ifp Vrp Min 0 -20 Max 70 85 150 2 2 10 unit o C o C mA V mA V Optical and Electrical Characteristics (Top = 25C otherwise specified) Unit Max Symbol Min Typ Parameter 15 9 mA Ith Threshold current 30 50 Pf mW Rated output power 5 30 48 Iop Operating current mA 65 85 Vop 1.1 1.5 V Operating voltage mW/mA Slope efficiency 0.15 0.2 nm c 1530 1550 1570 Center wavelength SMSR 30 40 dB Side mode suppression ratio tr 0.1 0.3 ns Optical rise and fall time tf 0.1 0.3 ns Im 0.05 0.2 mA Monitor PD current Id 0.1 A Monitor PD dark current Ct 10 20 pF Monitor PD capacitance Test Conditions CW CW, Top = 70C CW, kink free at rated Pf at rated Pf, Top = 70C at rated Pf CW,Po=5mW at rated Pf at rated Pf 20 to 80%, Ib = Ith 80 to 20%, Ib = Ith at rated Pf , Vrp = 1V Vrp = 10V Vrp = 10V, 1MHz 1/2 For more information on other parts available, please visit our website: www.kodenshi.co.kr KODENSHI KOREA CORP. 513-5 Eoyang-Dong, Iksan, 570-210, Korea Rev.001 1550nm InGaAsP strained MQW DFB LD for 1.25G O2.0 TO CAN KLT-255412x Outline Drawing (2mm ball lens type) Pin connections Pin config. pin no. 1 pin no. 2 pin no. 3 pin no. 4 4G case ground/LD anode LD cathode Monitor PD cathode Monitor PD anode 4S Case ground LD cathode Monitor PD anode LD anode/m-PD cathode Ordering information KLT Device Type 1 : FP(BH) 2 : DFB 4 : AR-LD Wavelength 31 : 1310 nm 55 : 1550 nm xx:1xx0nm 3nm(CWDM) Data Rate 0 : CW Operating Temp. Package type 1 : 1.5 mm ball lens 2 : 2.0mm ball lens 3 : flat window 4 : aspheric lens Pin Config. S : 4S type G : 4G type R : 4R type 3: 3G Kodenshi LD TO 3 : CWDM-DFB 49 : 1490 nm 5 : DWDM-DFB yB(band):O,E,S,C,L,NI,NC zz:15xx 4nm(DWDM) 0 : 0~50 3 : 622 Mbps 1 : 0~70 4 : 1.25 Gbps 2 : -20~70 5 : 2.5 Gbps 3 : 0~85 4 : -20~85 5 : -40~85 black is available now blue is developing now 2/2 For more information on other parts available, please visit our website: www.kodenshi.co.kr KODENSHI KOREA CORP. 513-5 Eoyang-Dong, Iksan, 570-210, Korea Rev.001 |
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