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2B454

Mitel Networks
Part Number 2B454
Manufacturer Mitel Networks
Description VCSEL Laser Diode(Datacom)
Published May 28, 2005
Detailed Description PRODUCT INFORMATION 840nm 2B454 VCSEL Laser Diode Datacom This Vertical Cavity SurfaceEmitting Laser is designed for...
Datasheet PDF File 2B454 PDF File

2B454
2B454

Overview
PRODUCT INFORMATION 840nm 2B454 VCSEL Laser Diode Datacom This Vertical Cavity SurfaceEmitting Laser is designed for Fibre Channel, Gigabit Ethernet, ATM and general applications.
It incorporates a photodiode to monitor the optical power and allow for feedback control.
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 Optical Power Slope Efficiency (dPo/dIF) Pfiber Po 100 400 50 2 830 840 0.
5 1.
9 3.
5 30 100 30 -130 860 1 2.
2 6 ␮W ␮W IF =12mA IF =12mA (Note 1) (Note 2) ␩ fc ␭p mW/A IF =12mA GHz nm nm V mA ␮A nA IF =12mA, VR>1V VR=5V IF =12mA IF =12mA IF =12mA IF =12mA Bandwidth (3dBel ) Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig.
5) Threshold Current Monitor Current Monitor Dark Current Relative Intensity Noise ⌬␭ VF Ith Im Id RIN dB/Hz IF =12mA, f=1 GHz 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.
Ø4.
7 Ø1.
5 0.
6 Absolute Maximum Ratings PARAMETER SYMBOL LIMIT Storage Temperature 3.
7 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 Operating Temperature (derating: Fig.
4) 14 Electrical Power Dissipation (derating: Fig.
4) Continuous Forward Current (fр10 kHz) 0.
4 VCSEL Cathode MONITOR Anode Peak Forward Current (duty cycle р50%, fу1 MHz) MONITOR Cathode VCSEL Anode All dimensions in mm VCSEL Reverse Voltage Soldering Temperature (2mm from the case for 10 sec) 2.
5 5.
47 CASE NOT CONNECTED BOTTOM VIEW Thermal Characteristics PARAMETER SYMBOL MIN.
TYP.
MAX.
UNIT TO-46 Package With Lens Thermal Resistance - Infinite Heat Sink Thermal Resistance - No Heat Sink Rthjc Rthja d␭ /dTj ⌬P ⌬Ith 500 800 0.
06 Ϯ0.
7 Ϯ0.
6 ЊC/W ЊC/W nm/ЊC dB mA Class 1 Laser Product Temp.
Coefficient -W avelength Opti...


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