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1A448 Dataheets PDF



Part Number 1A448
Manufacturers Mitel Networks Corporation
Logo Mitel Networks Corporation
Description VCSEL Laser Diode
Datasheet 1A448 Datasheet1A448 Datasheet (PDF)

PRODUCT INFORMATION 840nm 1A448 VCSEL Laser Diode Datacom This Vertical Cavity SurfaceEmitting Laser is designed for Fibre Channel, Gigabit Ethernet and ATM applications. For eye safety, the optical power is attenuated to comply with IEC Laser Class 1 requirements. Optical and Electrical Characteristics PARAMETER SYMBOL MIN. TYP . MAX. UNIT (25° C Case Temperature) TEST CONDITION Fiber-Coupled Power 1A448 1A448A Pfiber Po 100 160 400 50 2 830 840 0.5 1.9 3.5 -130 860 1 2.2 6 ␮W ␮W IF .

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PRODUCT INFORMATION 840nm 1A448 VCSEL Laser Diode Datacom This Vertical Cavity SurfaceEmitting Laser is designed for Fibre Channel, Gigabit Ethernet and ATM applications. For eye safety, the optical power is attenuated to comply with IEC Laser Class 1 requirements. Optical and Electrical Characteristics PARAMETER SYMBOL MIN. TYP . MAX. UNIT (25° C Case Temperature) TEST CONDITION Fiber-Coupled Power 1A448 1A448A Pfiber Po 100 160 400 50 2 830 840 0.5 1.9 3.5 -130 860 1 2.2 6 ␮W ␮W IF =12mA IF =12mA (Note 1) Optical Power Slope Efficiency (dPo/dIF) (Note 2) ␩ fc ␭p mW/A IF =12mA GHz nm nm V mA dB/Hz IF =12mA, f=1 GHz IF =12mA IF =12mA IF =12mA IF =12mA Bandwidth (3dBel ) Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig.5) Threshold Current Relative Intensity Noise ⌬␭ VF Ith RIN Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275. Note 2: Complies with laser Class 1 when operated at max 12 mA; Class 3 above 12 mA. Absolute Maximum Ratings Ø4.7 Ø1.5 0.6 PARAMETER SYMBOL LIMIT Storage Temperature Operating Temperature (derating: Fig.4) Electrical Power Dissipation (derating: Fig.4) Tstg Top Ptot IF IFRM VR Tsld -55 to +125Њ C 0 to +70Њ C 35 mW 15 mA 25 mA 1.5 V 260ЊC 3.7 14 Continuous Forward Current (fр10 kHz) Peak Forward Current (duty cycle р50%, fу1 MHz) Reverse Voltage All dimensions in mm 0.4 CASE ANODE CATHODE Soldering Temperature (2mm from the case for 10 sec) 2.5 5.4 BOTTOM VIEW Thermal Characteristics PARAMETER SYMBOL MIN. TYP. MAX. UNIT The chip is isolated from the case. Thermal Resistance - Infinite Heat Sink Thermal Resistance - No Heat Sink Temp. Coefficient -W avelength Rthjc Rthja d␭ /dTj ⌬P ⌬Ith 400 700 0.06 Ϯ0.7 Ϯ0.6 ЊC/W ЊC/W nm/ЊC dB mA TO-46 Package With Lens Class 1 Laser Product Optical Power - Variation 0 to 70ЊC Threshold Current - Variation 0 to 70ЊC 13534.11 & 12 1999-04-01 Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10 Tel (44) 1291 436180 Fax (44) 1291 436771 America: Tel 1-800-96MITEL Fax (613) 592-6909 Asia: Tel (65) 293 5312 Fax (65) 293 8527 VCSEL Laser Diode 1A448 840nm % 120 P o vs T FIGURE 1 RELATIVE THRESHOLD CURRENT % 120 Ith vs T % 100 FIGURE Po vs I3 f 100 100 80 RELATIVE OPTICAL POWER 80 80 RELATIVE OPTICAL POWER 0 20 40 60 80 100ЊC 60 60 60 40 40 40 20 20 0 20 40 60 80 100ЊC 20 0 0 4 8 12 16 20 mA OPERATING TEMPERATURE OPERATING TEMPERATURE FORWARD CURRENT mA 20 If vs Vf MAX. ELECTRICAL POWER DISSIPATION mW 50 FIGURE 5 P el vs T 40 INFINITE HEAT SINK FORWARD CURRENT 30 10 20 NO HEAT SINK 10 0 0 1 2 3V 0 0 20 40 60 80 100ЊC FORWARD VOLTAGE OPERATING TEMPERATURE % 100 Pf FIGURE 6 vs z Alignment r r = opt. Øc = 50 µm % 100 Pf FIGURE 7 vs r Alignment r z = opt. Øc = 50 µm RELATIVE FIBER-COUPLED POWER 80 z RELATIVE FIBER-COUPLED POWER 80 z 60 60 40 40 20 20 0 1.0 1.5 2.0 2.5 3.0 3.5 mm 0 0 10 20 30 40 50 µm z - AXIAL DISPLACEMENT OF FIBER r - RADIAL DISPLACEMENT OF FIBER Clip for SC-2A R 1.00 3.3000 5.6000 80,000 20.8200 0.5000 10,2500 10.3000 4.9500 0.5000 4.5000 5.0800 3.6450 Clip for Pigtail-3A 10.70 0.50 10.25 10.30 4.95 0.50 4.50 0.85 5.08 3.65 PRODUCT INFORMATION ST -2A Package Emitter or Detector in ST ® Package Mitel emitters and detectors can be provided in this low-profile ST ® package. The device is electrically isolated from the ST ® receptacle to facilitate electrical connection. And optimum fiber-coupled power or responsivity is ensured by active alignment against the fiber. Absolute Maximum Ratings PARAMETER SYMBOL LIMIT Operating & Storage Temperature ST-2A (Note 1) Tstg , Top -40 to +85Њ C Note 1: Temperature range can be extended to -55° to +125°C on request. Thermal Characteristics PARAMETER SYMBOL MIN. TYP. MAX. UNIT Thermal Resistance - Infinite Heat Sink (Note 2) Rthcc Rthca Rthca 80 40 200 ЊC/W ЊC/W ЊC/W Thermal Resistance - No Heat Sink (Note 2) Thermal Resistance - On PC Board (Note 2) Note 2: Add Rthjc for emitter or detector to estimate the total thermal resistance. 2-56 UNC - 2B max.0.5 3/8"-32 UNEF FIBER END MARKING SIDE SLOT SIDE 0.006 Ø2.502 +0.01 0 12.7 9.5 Ø2.5 +0 -0.004 7.89 7.6 min.12 3.9 5.4 20.1 MATING FERRULE* (not included) All Dimensions in mm *The fiber-coupled power/responsivity is guaranteed to meet the LED/PIN data sheet - provided a ferrule meeting this specification is used. Mechanical Outline of Diode in ST-2A Housing (ST is a registered trademark of AT&T) 103326 1994-09-20 Europe: Tel (46) 8 58 02 45 00 Fax (46) 8 58 02 01 10 Tel (44) 1291 436180 Fax (44) 1291 436771 America: Tel 1-800-96MITEL Fax (613) 592-6909 Asia: Tel (65) 293 5312 Fax (65) 293 8527 PRODUCT INFORMATION SMA-2A Package Emitter or Detector in SMA Package Mitel emitters and detectors can be provided in this low-profile SMA package. The device is electrically isolated from the SMA receptacle to facilitate electrical connection. And optimum fiber-coupled po.


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