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PDF ( 数据手册 , 数据表 ) 2B454

零件编号 2B454
描述 VCSEL Laser Diode(Datacom)
制造商 Mitel Networks
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2B454 数据手册, 描述, 功能
PRODUCT INFORMATION
840nm
2B454
VCSEL Laser Diode
Datacom
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.
For eye safety, the optical power is
attenuated to comply with IEC Laser
Class 1 requirements.
Ø4.7
Ø1.5
0.6
3.7
14
0.4
VCSEL Cathode
MONITOR Anode
VCSEL
Anode
MONITOR
Cathode
2.5
5.47
CASE NOT CONNECTED
BOTTOM VIEW
TO-46 Package With Lens
Class 1 Laser Product
13589.11 1999-04-01
Optical and Electrical Characteristics (25°C Case Temperature)
PARAMETER
Fiber-Coupled Power
Optical Power
SYMBOL MIN.
Pfiber 100
Po
TYP. MAX. UNIT
W
400 W
TEST CONDITION
IF =12mA (Note 1)
IF =12mA (Note 2)
Slope Efficiency
(dPo/dIF)
50 mW/A IF =12mA
Bandwidth
(3dBel )
fc 2 GHz IF =12mA
Peak Wavelength
Spectral Width (FWHM)
Forward Voltage (Fig.5)
p 830 840 860 nm IF =12mA
0.5 1 nm IF =12mA
VF 1.9 2.2 V IF =12mA
Threshold Current
Monitor Current
Monitor Dark Current
Ith 3.5 6 mA
Im 30 100
A IF =12mA, VR>1V
Id 30 nA VR=5V
Relative Intensity Noise RIN
-130 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.
Absolute Maximum Ratings
PARAMETER
Storage Temperature
Operating Temperature (derating: Fig.4)
Electrical Power Dissipation (derating: Fig.4)
Continuous Forward Current (fр10 kHz)
Peak Forward Current (duty cycleр50%, fу1 MHz)
VCSEL Reverse Voltage
Soldering Temperature (2mm from the case for 10 sec)
SYMBOL
Tstg
Top
Ptot
IF
IFRM
VR
Tsld
LIMIT
-55 to +125ЊC
0 to +70ЊC
35 mW
15 mA
25 mA
1.5 V
260ЊC
Thermal Characteristics
PARAMETER
SYMBOL MIN. TYP.
Thermal Resistance - Infinite Heat Sink Rthjc
500
Thermal Resistance - No Heat Sink
Rthja
800
Temp. Coefficient -Wavelength
Optical Power - Variation 0 to 70ЊC
d/dTj
P
0.06
Ϯ0.7
Threshold Current - Variation 0 to 70ЊC Ith
Ϯ0.6
MAX.
UNIT
ЊC/W
ЊC/W
nm/ЊC
dB
mA
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







2B454 pdf, 数据表
PRODUCT INFORMATION
Pigtail-3A
Package
Emitter or Detector in Pigtail Package
Mitel emitters and detectors can be
provided in this pigtail package with
a wide selection of fiber types. The
device is electrically isolated from
the pigtail receptacle to facilitate
electrical connection. And optimum
fiber-coupled power or responsivity
is ensured by active alignment
against the fiber. A special design
maximizes the return loss for detec-
tors in this package.
Absolute Maximum Ratings
PARAMETER
Operating & Storage Temperature (Note 1 & 2)
SYMBOL
Tstg, Top
Note 1: Temperature range can be extended to -55/+125ЊC on request.
Note 2: Temperature range may be limited by the specification of the fiber.
LIMIT
- 40 to +85ЊC
Thermal Characteristics
PARAMETER
SYMBOL MIN. TYP. MAX.
Thermal Resistance - Infinite Heat Sink Rthcc
(Note 3)
25
Thermal Resistance - No Heat Sink
(Note 3)
Rthca
250
Thermal Resistance - On PC-Board
(Note 3)
Rthca
120
Note 3: Add Rthjc for LED to estimate the total thermal resistance.
UNIT
ЊC/W
ЊC/W
ЊC/W
Optical Characteristics
PARAMETER
SYMBOL MIN. TYP. MAX.
Return Loss 10/125m fiber
(PIN only)
RL 40 55
UNIT
dB
MARKING
Ø6.00
min.12
13
All Dimensions in mm
Mechanical Outline of Diode in PIGTAIL-3A Housing
105429 1997-07-03
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














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