Document
PRODUCT INFORMATION
870 nm
1A229
High-Performance LED
Battery-Operated Equipment
This device operates at very low drive current, which makes it well suited for battery-operated equipment. In fact, it can be driven directly by TTL circuitry.
Optical and Electrical Characteristics
PARAMETER SYMBOL MIN. TYP . MAX. UNIT
(25° C Case Temperature) TEST CONDITION
Fiber-Coupled Power
(Fig.1, 2,& 3) (Table 1)
Pfiber tr, tf fc
p
2
3 85 4 100
W ns MHz 890 nm nm 1.6 1 V A pF
IF =5 mA
(Note 1)
Fiber: 50/125 m Graded Index
Rise and Fall Time
(10-90%)
IF =5 mA
(no bias)
Bandwidth
(3dBel)
IF =5 mA IF =5 mA IF =5 mA IF =5 mA VR=1V
NA=0.20
Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig. 4) Reverse Current Capacitance
850
870 60 1.4
⌬ VF IR C
250
VR= 0V, f=1 MHz
Note 1: Measured at the exit of 100 meters of fiber.
Ø4.7 Ø1.5 0.6
3.7
Absolute Maximum Ratings
PARAMETER
14
SYMBOL
LIMIT
Storage Temperature Operating Temperature Electrical Power Dissipation
Tstg Top Ptot IF IFRM VR Tsld
-55 to +125Њ C -55 to +125Њ C 16 mW 10 mA 20 mA 1.5 V 260ЊC
0.4
CATHODE
ANODE
All dimensions in mm
Continuous Forward Current (fр10 kHz) Peak Forward Current (duty cycle р50%, fу1 MHz) Reverse Voltage Soldering Temperature (2mm from the case for 10 sec)
2.5 5.4 BOTTOM VIEW
The anode is in electrical contact with the case.
TO-46 Package With Lens
Thermal Characteristics
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Temperature Coefficient - Optical Power dP/dTj Temperature Coefficient -W avelength d /dTj
-0.6 0.3
%/ЊC nm/ЊC
11930.11 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
High-Performance LED
1A229
870 nm
Typical Fiber-Coupled Power
Core Diameter/Cladding Diameter Numerical Aperture
RELATIVE FIBER-COUPLED POWER
%
100
FIGURE 1
%
100
FIGURE 2
r z = opt. Øc = 50ʵm
80
RELATIVE FIBER-COUPLED POWER
50/125 m 0.20
62.5/125 m 0.275
100/140 m 0.29
200/230 m 0.37
80
z
3 W
Table 1
8 W
15 W
20 W
60
60
40
40
r
20
r = opt. Øc = 50ʵm z
20
0 0.5 1.0 1.5 2.0 2.5 3.0 mm
0 0 20 40 60 80 100 µm
z - AXIAL DISPLACEMENT OF FIBER
r - RADIAL DISPLACEMENT OF FIBER
%
100
FIGURE 3
mA
20
FIGURE 4
RELATIVE FIBER-COUPLED POWER
80
50% DUTY CYCLE
60
DC
FORWARD CURRENT
HEAT SINKED
10
40
20
0 0 4 8 12 16 20 mA
0 0 1 2 3V
FORWARD CURRENT
FORWARD VOLTAGE
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 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 +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.