LDM3S502D-LC

LDM3S502D-LC1310nm 1.25 GB/s FP LC TOSALDM3S502D-LCFeatures• Data rate up to 1.25Gbit/s• High performance FP LD• Built-in InGaAs monitorphotodiodeApplication• SDH/SONET Transmission systemup to 1.25Gb/s• Gigabit Ethernet• High reliability• Coaxial LC package (4pin)• Industry-standard TO-56packaged• 1Gbps fiber channel• other applicationsWuhan Telecommunication Devices Co., Ltd.http://www.wtd.com.cn1

LDM3S502D-LCAbsolute Maximum RatingsParameter Symbol Unit Min MaxStorage Temperature RangeTso C -40 85Relative Humidity RH % - 85Laser Diode Reverse Voltage VRL V - 20Laser Diode Forward Current IFL mA - 150Monitor Diode Reverse Voltage VRD V - 20Monitor Diode Forward Current IFD mA - 10Lead Solder Temperature -o C - 350Lead Soldering Time - s - 3Recommended Operating ConditionsParameter Symbol Unit Min Typ MaxCase Operating Temperature RangeTco C -40 - 85Operating Voltage Vop V - 1.2 1.5Specifications (Tc=25°C, unless otherwise noted)Parameter Symbol Unit Min Typ Max Test conditionElectrical CharacteristicsForward Voltage Vop V - 1.2 1.5 CW, If =Ith+20mA- 10 15 CWThreshold Current Ith V- - 28 CW, Tc=-40 to 85 o CRise/Fall Time Tr/f ns - 0.15 0.3 Ib=Ith; 10%~90%Monitor Current Im µA 40 - 400 CW, Pop=0.1mW- 0.1 10 CW,VRD=5VMonitor Dark Current Id nA- - 500 CW,VRD=5V, Tc=-40 to 85 o CSeries resistor Rs Ohm - - 12Optical CharacteristicsOptical Output Power Po mW 0.15 - 0.5 CW,If =Ith+20mASlope Efficiency ηd mW/mA 0.007 - 0.03 CWTemperature Dependence ofDifferential EfficiencyCentral Wavelength λc nmWuhan Telecommunication Devices Co., Ltd.http://www.wtd.com.cn∆ηd dB -3.0 -1.2 -ηd(@85 ° C)∆ ηd= 10logη (@ 25 ° C)Tc=-40 to 85 oC1290 1310 1330 CW1270 - 1345 CW, Tc=-40 to 85 o CSpectral Width ∆λ nm - - 2.5 CW, RMSTracking Error ∆Pf dB -1.5 - +1.5CW, Tc=-40 to 85 o CIm=const@Pf(If=30mA,Tc=25 o C)d2

LDM3S502D-LCMonitor PD Capacitance C pF - - 10 VRD=5V, f=1MHzConnector Repeatability - dB - - ±1Same plug orientation, same fiber, 10times plug, CWPin DescriptionPin Description Bottom View PIN CONNECTIONS1 CASE2 LD ( N )3 Detector ( P )4 LD ( P ) / Detector ( N )Package Outline (Unit: mm)15.264.8 1.261.261.2 2.7 0.66 3.384.1opticalreferenceplaneWuhan Telecommunication Devices Co., Ltd.http://www.wtd.com.cn3

LDM3S502D-LCOrdering InformationSpecificationPart No.Package Datarate Laser Optical Power Temp OthersLDM3S502D-LC* LC TOSA 1.25G 1310nm FP 0.15~0.5mW -40~85 o C Common Anode*: The product marked with * is not available at present.WTD reserves the right to make changes to the product(s) or information contained herein without notice. Noliability is assumed as a result of their use or application. No rights under any patent accompany the sale ofany such product(s) or information.Edition 2009-12-01Published by Wuhan Telecommunication Devices Co.,Ltd.Copyright © WTDAll Rights Reserved.Wuhan Telecommunication Devices Co., Ltd.http://www.wtd.com.cn4