Air Ultrasonic Ceramic Transducers
500MB120
Dimensions:
dimensions are in mm
Impedance/Phase Angle vs. Frequency
Tested under 1Vrms Oscillation Level
Transmitter Impedance
Transmitter Phase
Receiver Impedance
Receiver Phase
Specification
Impedance (Ohm)
100000
10000
500MB120
Center Frequency
Bandwidth
(-6dB)
Transmitting Sound Pressure
Level
at 50.0Khz; 0dB re 0.0002µbar
per 10Vrms at 30cm
Receiving Sensitivity
at 50.0Khz 0dB = 1 volt/µbar
Sensitivity/Cross Talk Ratio
Nominal Impedance (Trans.)
Capacitance
at 1Khz
±20%
Max. Driving Voltage
(cont.)
Total Beam Angle
-6dB
Dual
Transducer
50.0±1.0Khz
3Khz
113dB min.
1000
100
45
46
47
48
49
50
51
52
53
54
55
Frequency (Khz)
90
75
60
45
30
15
0
-15
-30
-45
-60
-75
-90
Sensitivity/Sound Pressure Level
Tested under 10Vrms @30cm
-50
130
125
120
SPL (dB)
115
110
105
100
95
90
45
46
47
48
49
50
51
52
53
54
55
Frequency (Khz)
-67dB min.
Sensitivity (dB)
-55
-60
-65
-70
-75
-80
-85
-90
15 dB
1000 Ohm
2400 pF
20Vrms
30°
-20 to 70°C
-40 to 80°C
Beam Angle:
Tested at 50.0Khz frequency
Operation Temperature
Storage Temperature
330
300
270
240
210
0
0
-6
-12
-18
-24
-30
30
60
90
120
All specification taken typical at 25°C
Closer frequency tolerance can be supplied
upon request.
180
150
Supplied by Midas Components Ltd - 01493 602602 - www.midascomponents.co.uk
Phase Angle (Degree)
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