SME2470-021 Datasheet, PDF (2/8 Pages) Honeywell Accelerometers – Ceramic Discrete Surface Mount Emitters and Detectors

Infrared Components
Ceramic Discrete Surface Mount
SME/SMD Series
SME2470 SERIES IRED ABSOLUTE MAXIMUM RATINGS
Power dissipation @ 25 °C*
150 mW
Continuous forward current
75 mA (mounted on a PC board)
Reverse voltage (I_F = 10 µA)
Operating free air temperature range
3V
-55° to +125°C (-67° to +257°F)
Storage temperature
-65° to +150°C (-85° to +302°F)
Soldering temperature
260°C (500°F), 5 seconds max.
*Derate 1.43 mW/°C above 25°C ambient.
CAUTION
STRESS DAMAGE
Functional operation of the device at
or above “Absolute Maximum Ratings”
for extended periods of time may
affect reliability.
Failure to comply with these
instructions may result in product
damage.
SME2470 SERIES IRED ELECTRICAL CHARACTERISTICS (at 25°C unless otherwise noted)
Parameter
Test Conditions
Sym. Min. Typ. Max.
Irradiance
Measured into 0.104 in. (2.64 mm) dia. H
0.6
aperture @ 0.535 in. (13.59 mm) from
lens tip. I_F = 50 mA
Forward voltage
I_F = 50 mA
V_F
Reverse breakdown voltage I_R= 10 µA
BV_R
3.0
Peak output wavelength
I_F = 50 mA
λ
Spectral bandwidth
I = 50 mA
F
Rise time
10 µsec pulse width
t_R
Fall time
t
F
1.5 1.8
880
80
800
700
Units
mW/cm²
Volts
Volts
nm
nm
ns
ns
TYPICAL IRED PERFORMANCE CHARACTERISTICS
SME2470 Spectral Bandwidth
SME2470 Irradiance vs Angular Displacement
100%
100%
80%
80%
60%
40%
20%
0%
760
800 840 880 920
Wavelength - nm
960 1000
60%
40%
20%
0%
-30 -20
-10
0
10
20
30
Angular Displacement - Degrees
2 Honeywell • Sensing and Control
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