PRODUCT INFORMATION
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850nm
1A191
High-Performance LED
Test Equipment
11746.11 1994-09-20
0.6
14
Ø1.5
Ø4.7
3.7
0.4
5.4
2.5
CASE
ANODECATHODE
BOTTOM VIEW
The anode is in electrical contact with the case.
TO-46 Package With Lens
All dimensions in mm
The strictly defined 850 nm wave-
length and high power is ideal for test
equipment applications. It is pack-
aged in a hermetically sealed can for
high reliability and maximum resis-
tance to harsh operating environments.
The double-lens optical system
results in optimum coupling of power
into the fiber.
Fiber:
50/125mm
Graded
Index
NA=0.20
Optical and Electrical Characteristics (25° C Case Temperature)
Thermal Characteristics
Absolute Maximum Ratings
Note 1: Measured at the exit of 100 meters of fiber.
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 LIMIT
Storage Temperature T
stg
-55 to +1258C
Operating Temperature (derating: Fig.4) Top -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
1.5 V
Soldering Temperature (2mm from the case for 10 sec) T
sld
2608C
PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
Fiber-Coupled Power P
fiber
100 130 mW I
F
=100 mA
(Fig.1,2,&3) (Table1) (Note 1)
Rise and Fall Time t
r
,t
f
10 15 ns I
F
=100 mA
(10-90%) (no bias)
Bandwidth f
c
35 MHz I
F
=100 mA
(3dB
el
)
Peak Wavelength l
p
840 850 860 nm I
F
=100 mA
Spectral Width (FWHM) Dl 50 nm I
F
=100 mA
Forward Voltage (Fig.5) V
F
1.8 2.2 V I
F
=100 mA
Reverse Current I
R
20 mA V
R
=1V
Capacitance C 250 pF V
R
= 0V, f=1 MHz