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PRODUCT INFORMATION
840nm
1A444
VCSEL Laser Diode
Datacom, General Purpose
This Vertical Cavity SurfaceEmitting Laser is designed for Fibre Channel, Gigabit Ethernet, ATM and general applications. It operates in multiple transverse and single longitudinal mode, ensuring stable coupling of power and low noise.
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
1.3 0.9 1.7 200 3.0
mW mW
IF =12mA IF =12mA
(Note 1)
mW/A IF =12mA GHz 860 1 2.2 6 nm nm V mA dB/Hz IF =12mA, f=1 GHz IF =12mA IF =12mA IF =12mA IF =12mA
Bandwidth
(3dBel )
fc
p
2 830 840 0.5
Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig.5) Threshold Current Relative Intensity Noise
VF Ith RIN
1.9 3.5 -130
Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275.
Absolute Maximum Ratings
PARAMETER SYMBOL LIMIT
Storage Temperature
O4.7 O1.5 0.6
Tstg Top Ptot IF IFRM VR Tsld
-55 to +125 C 0 to +70 C 35 mW 15 mA 25 mA 1.5 V 260 C
Operating Temperature (derating: Fig.4) Electrical Power Dissipation (derating: Fig.4)
3.7
Continuous Forward Current (f
14
10 kHz) 50%, f 1 MHz)
Peak Forward Current (duty cycle Reverse Voltage
0.4
CASE
Soldering Temperature (2mm from the case for 10 sec)
All dimensions in mm
CATHODE
ANODE
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
2.5 5.4 BOTTOM VIEW
Thermal Resistance - Infinite Heat Sink Thermal Resistance - No Heat Sink Temp. Coefficient -W avelength Optical Power - Variation 0 to 70 C
Rthjc Rthja d /dTj P Ith
400 700 0.06 0.7 0.6
C/W C/W nm/ C dB mA
The chip is isolated from the case.
TO-46 Package With Lens
WARNING: Laser Radiation, avoid exposure to beam. Class 3B laser product, potential eye hazard. Warning labels in each box.
Threshold Current - Variation 0 to 70 C
13457.11 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
1A444
840nm
%
120
Po vs T FIGURE 1
RELATIVE THRESHOLD CURRENT
%
120
Ith
vs
T
%
100
FIGUREIf Po vs 3
100
100
80
RELATIVE OPTICAL POWER
80
80
RELATIVE OPTICAL POWER
0 20 40 60 80 100 C
60
60
60
40
40
40
20
20 0 20 40 60 80 100 C
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 Pel 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 80 100 C
FORWARD VOLTAGE
OPERATING TEMPERATURE
%
100
Pf
FIGURE 6 vs z Alignment
r r = opt. Oc = 50 m
%
100
Pf
FIGURE 7 vs r Alignment
r z = opt. Oc = 50 m
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 m
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 (R) Package
Mitel emitters and detectors can be provided in this low-profile ST (R) package. The device is electrically isolated from the ST (R) 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 +85 C
Note 1: Temperature range can be extended to -55 to +125C on request.
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance - Infinite Heat Sink
(Note 2)
Rthcc Rthca Rthca 80
40 200
C/W C/W C/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
O2.502 +0.01 0
12.7
9.5
O2.5 +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 power or responsivity is ensured by active alignment against the fiber.
Absolute Maximum Ratings
PARAMETER SYMBOL LIMIT
Operating & Storage Temperature
SMA-2A (Note 1)
Tstg , Top
-40 to +85 C
Note 1: Temperature range can be extended to -55 to +125C on request.
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance - Infinite Heat Sink
(Note 2)
Rthcc Rthca Rthca 80
40 200
C/W C/W C/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
12.7
9.5
O3.176 +0.01 0
1/4"-36UNS
MARKING SIDE
FIBER END
O3.174 +0 -0.004
0.006 3.9 7.2 min.12 5.7 15.2
9.8 0.03
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 SMA-2A Housing
103325 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 SC-2A
Package
Emitter or Detector in SC Package
Mitel emitters and detectors can be provided in this low-profile SC package. The device is electrically isolated from the SC 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
Tstg , Top
-40 to +85 C
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance - Infinite Heat Sink
(Note 1)
Rthcc Rthca Rthca 125
40 200
C/W C/W C/W
Thermal Resistance - No Heat Sink
(Note 1)
Thermal Resistance - On PC Board
(Note 1)
Note 1: Add Rthjc for emitter or detector to estimate the total thermal resistance.
2.5
O2.3
1. 4 x4
12
MARKING / SLOT SIDE
0.006 13 FIBER END
O2.5 +0 -0.004
O7.5
22
18
7.95 MATING FERRULE* (not included)
8.9
min. 12
18
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 SC-2A Housing
105967 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 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 detectors in this package.
Absolute Maximum Ratings
PARAMETER SYMBOL LIMIT
Operating & Storage Temperature (Note 1 & 2)
Tstg , Top
- 40 to +85 C
Note 1: Temperature range can be extended to -55/+125 C on request. Note 2: Temperature range may be limited by the specification of the fiber.
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance - Infinite Heat Sink
(Note 3)
Rthcc Rthca Rthca 120
25 250
C/W C/W C/W
Thermal Resistance - No Heat Sink
(Note 3)
Thermal Resistance - On PC-Board
(Note 3)
Note 3: Add Rthjc for LED to estimate the total thermal resistance.
Optical Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Return Loss 10/125 m fiber (PIN only)
RL
40
55
dB
MARKING
O6.00
O6
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
PRODUCT INFORMATION FC-2A
Package
Emitter or Detector in FC Package
Mitel emitters and detectors can be provided in this low-profile FC package. The device is electrically isolated from the FC 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
FC-2A (Note 1)
Tstg , Top
-40 to +85 C
Note 1: Temperature range can be extended to -55 to +125C on request.
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance - Infinite Heat Sink
(Note 2)
Rthcc Rthca Rthca 80
40 200
C/W C/W C/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.
min.12
5.6
2.0
5.50
O 2.2
MARKING/ SLOT SIDE
0.006 O 2.5 13.4 FIBER END
O2.5 M8x0.75 Thread +0 -0.004
19
08
7.95 MATING FERRULE* (not included)
9.2
max. 0.5
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 FC-2A Housing
105515 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
http://www.mitelsemi.com
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M Mitel (design) and ST-BUS are registered trademarks of MITEL Corporation Mitel Semiconductor is an ISO 9001 Registered Company Copyright 1999 MITEL Corporation All Rights Reserved Printed in CANADA TECHNICAL DOCUMENTATION - NOT FOR RESALE

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