MITEL 1A288 Datasheet
PRODUCT INFORMATION
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12324.11 1994-09-20
840nm
1A288
High-Performance LED
Avionics, Military Datacom
0.6
14
Ø1.5
Ø4.7
3.7
0.4
5.4
2.5
CASE
ANODE
CATHODE
BOTTOM VIEW
The anode is in electrical contact with the case.
TO-46 Package With Lens
All dimensions in mm
This high speed device is optimized
at 810 nm wavelength which is of
particular interest for use in radiation-hardened fiber. It operates in a
wide temperature range and delivers
very high power to 200 µm core f iber ,
making it ideal in avionics and military datacom applications.
Thermal Characteristics
Fiber:
100/140mm
Graded
Index
NA=0.29
Optical and Electrical Characteristics
(25°C Case Temperature)
Absolute Maximum Ratings
Note 1: Measured at the exit of 100 meters of fiber.
PARAMETER SYMBOL LIMIT
Storage Temperature T
stg
-55 to +1258C
Operating Temperature (derating: Fig.4) T
op
-55 to +1258C
Electrical Power Dissipation(derating: Fig.4) P
tot
250 mW
Continuous Forward Current (f<10 kHz) I
F
110 mA
Peak Forward Current (duty cycle<50%, f>1 MHz) I
FRM
180 mA
Reverse Voltage V
R
1.5V
Soldering Temperature (2mm from thecase for10sec) T
sld
2608C
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance- Infinite Heat Sink R
thjc
100 8C/W
Thermal Resistance- No Heat Sink R
thja
400 8C/W
Temperature Coefficient- Optical Power dP/dT
j
-0.4 %/8C
Temperature Coefficient-Wavelength dl/dT
j
0.3 nm/8C
PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
Fiber-Coupled Power P
fiber
700 850 mW IF=100 mA
(Fig.1,2,&3) (Table1) (Note 1)
Rise and Fall Time tr,t
f
3.5 5 ns IF=100 mA
(10-90%)
(no bias)
Bandwidth f
c
100 MHz IF=100 mA
(3dBel)
Peak Wavelength l
p
800 840 880 nm IF=100 mA
Spectral Width(FWHM) Dl 50 nm IF=100 mA
Forward Voltage (Fig.5) V
F
2.0 2.4 V IF=100 mA
Reverse Current I
R
20 mA VR=1V
Capacitance C 250 pF VR=0V, f=1MHz
840nm
1A288
High-Performance LED
Core Diameter/Cladding Diameter
Numerical Aperture
50/125mm 62.5/125mm 100/140 m m
0.20 0.275 0.29
Table 1
Typical Fiber-Coupled Power
150mW 400 mW 850 mW
FORWARD VOLTAGE
FORWARD CURRENT
mA
200
100
0
0
1 2
3
V
FIGURE 5
0
20
40
60
80
100
%
0
40 80
120
160
200
mA
RELATIVE FIBER-COUPLED POWER
FORWARD CURRENT
50% DUTY CYCLE
DC
HEAT SINKED
FIGURE 3
FIGURE 4
mW
300
200
100
0
0 50 100
150¡
C
NO HEAT SINK
OPERATING TEMPERATURE
MAX. ELECTRICAL POWER DISSIPATION
INFINITE
HEAT SINK
0
20
40
60
80
100
%
0.5
1.0 1.5
2.0
2.5
3.0
mm
z - AXIAL DISPLACEMENT OF FIBER
RELATIVE FIBER-COUPLED POWER
r
r = opt.
Øc = 100µm
z
FIGURE 1
0
20
40
60
80
100
%
0
40 80
120
160
200
µm
r - RADIAL DISPLACEMENT OF FIBER
RELATIVE FIBER-COUPLED POWER
r
z = opt.
Øc = 100
µm
z
FIGURE 2
5.6000
3.3000
Clip for SC-2A
R 1.00
80,000
0.5000
20.8200
10,2500
10.3000
4.9500
0.5000
4.5000
5.0800
3.6450
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