2B455
器件描述:VCSEL Laser Diode(Datacom)
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器件资料摘要:
PRODUCT INFORMATION
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
840nm
2B455
VCSEL Laser Diode
Datacom
13590.11 1999-04-01
14
Ø2.55
Ø4.7
3.575
5.47
2.5
0.4
VCSEL
Anode
VCSEL Cathode
MONITOR Anode
BOTTOM VIEW
MONITOR
Cathode
CASE NOT CONNECTED
TO-46 Package With Flat Window
All dimensions in mm
Optical and Electrical Characteristics (25° C Case Temperature)
Thermal Characteristics
Absolute Maximum Ratings
PARAMETER SYMBOL LIMIT
Storage Temperature T
stg
-55 to +1258C
Operating Temperature (derating: Fig.4) Top 0 to +708C
Electrical Power Dissipation (derating: Fig.4) P
tot
35 mW
Continuous Forward Current (f<10 kHz) I
F
15 mA
Peak Forward Current (duty cycle<50%, f>1 MHz) I
FRM
25 mA
VCSEL Reverse Voltage V
R
1.5 V
Soldering Temperature (2mm from the case for 10 sec) T
sld
2608C
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance - Infinite Heat Sink R
thjc
500 8C/W
Thermal Resistance - No Heat Sink R
thja
800 8C/W
Temp. Coefficient -Wavelength dl /dT
j
0.06 nm/8C
Optical Power - Variation 0 to 708C DP 60.7 dB
Threshold Current - Variation 0 to 708C DI
th
60.6 mA
This Vertical Cavity Surface-
Emitting 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.
Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275. An external glass
ball lens with 2 mm diameter is required.
WARNING: Laser Radiation, avoid exposure
to beam. Class 3B laser product, potential
eye hazard. Warning labels in each box.
PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
Fiber-Coupled Power P
fiber
1.3 mW I
F
=12mA (Note 1)
Optical Power P
o
0.9 1.7 3.0 mW I
F
=12mA
Slope Efficiency h 200 mW/A I
F
=12mA
(dP
o
/dI
F
)
Beam Divergence Q 15 deg Full Width at 1/e
2
Bandwidth f
c
2 GHz I
F
=12mA
(3dB
el
)
Peak Wavelength l
p
830 840 860 nm I
F
=12mA
Spectral Width (FWHM) Dl 0.5 1 nm I
F
=12mA
Forward Voltage (Fig.5) V
F
1.9 2.2 V I
F
=12mA
Threshold Current I
th
3.5 6 mA
Monitor Current I
m
20 30 mA I
F
=12mA, V
R
>1V
Monitor Dark Current I
d
30 nA V
R
=5V
Relative Intensity Noise RIN -130 dB/Hz I
F
=12mA, f=1 GHz