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ST-2A Datasheet

  • ST-2A

  • High-Performance LED(FM and Baseband Video)

  • 192.79KB

  • 10頁(yè)

  • MITEL

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PRODUCT INFORMATION
880
nm
1A277A
High-Performance LED
FM and Baseband Video
The low harmonic distortion and low
thermal droop makes this device ideal
for subcarrier FM and baseband video
applications. Video transmission can
be accomplished with minimum dis-
tortion. The double-lens optical sys-
tem provides for optimum coupling of
power into the fiber.
Optical and Electrical Characteristics
PARAMETER
SYMBOL
MIN.
TYP
.
MAX.
UNIT
(25擄C Case Temperature)
TEST CONDITION
Fiber-Coupled Power
(Fig.1, 2,& 3) (Table 1)
P
fiber
t
r,tf
f
c
-H
2
-H
3
l
Pl
p
100
130
1.5
250
40
50
4
2
W
ns
MHz
dB
dB
%
900
nm
nm
2.2
20
V
A
pF
I
F
=100mA
(Note 1)
(no bias)
Fiber:
62.5/125
m
Graded
Rise and Fall Time
(10-90%)
I
F
=100mA
Bandwidth
(3dBel )
I
F
=100 mA
I
F
=100 mA
m=0.8
f=10 MHz
I
F
=100 mA
I
F
=100 mA
I
F
=100 mA
I
F
=100 mA
V
R
=1V
Index
NA=0.275
Harmonic Distortion
(nonlinearity)
Thermal Droop
(nonlinearity)
(Note 2)
Peak Wavelength
Spectral Width
(FWHM)
Forward Voltage
Reverse Current
Capacitance
(Fig.5)
860
880
60
V
F
I
R
C
1.8
250
V
R
= 0V, f=1 MHz
Note 1:
Measured at the exit of 100 meters of fiber
脴4.7
脴1.5
0.6
Note 2:
Transient decline in optical power due to self-heating.
3.7
Absolute Maximum Ratings
PARAMETER
SYMBOL
LIMIT
Storage Temperature
14
T
stg
T
op
P
tot
I
F
I
FRM
V
R
T
sld
-55 to +125 C
-55 to +125 C
250 mW
110 mA
180 mA
1.5 V
260 C
Operating Temperature
Electrical Power Dissipation
0.4
CASE
Continuous Forward Current
(f
Peak Forward Current
(duty cycle
All dimensions in mm
ANODE
10 kHz)
50%, f 1 MHz)
CATHODE
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.
Thermal Characteristics
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
TO-46 Package With Lens
Thermal Resistance - Infinite Heat Sink
Thermal Resistance - No Heat Sink
R
thjc
R
thja
-0.6
0.3
100
400
C/W
C/W
%/ C
nm/ C
Temperature Coefficient - Optical Power
dP/dT
j
Temperature Coefficient -W
avelength
d
/dT
j
12249.12 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

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