SME2470-021 Datasheet, PDF (6/8 Pages) Honeywell Accelerometers – Ceramic Discrete Surface Mount Emitters and Detectors

Infrared Components
Ceramic Discrete Surface Mount
SME/SMD Series
TYPICAL SMD2440 AND SMD2420 SERIES PERFORMANCE CHARACTERISTICS (when solder
mounted to PC board)
SME to SMD Coupling Characteristics
100%
80%
60%
40%
20%
0%
0 0.1
0.2 0.3
0.4
0.5
0.6
Lens-to Lens Separation - inches
SMD2440 Switching Time Test Circuit
+
GaAs Emitter
Vcc +5 V
Collector
250 uS
Emitter
RL
1000
e₀
-
SMD2440 Switching Waveform
1.0 V
e₀
90%
10%
0 V tr
t
tr
SMD2420 Switching Time Test Circuit
+
GaAs Emitter
VR +20 V
Cathode
10 uS
-
Anode
RL
50
e₀
SMD2420 Switching Waveform
100%
e₀
90%
10%
0% t _r
t
tr
6 Honeywell • Sensing and Control
For application help: call 1-800-537-6945