Air Ultrasonic Ceramic Transducers
Tested under 1Vrms Oscillation Level.
250SR160 Impedance
250SR160 Phase
250ST160 Impedance
250ST160 Phase
100K
250ST/R160
Impedance/Phase Angle vs. Frequency
90
75
60
45
10K
Z(Ω)
1K
30
15
0
-15
-30
-45
-60
-75
28
29
-90
30
θ(°)
Specification
250ST160
250SR160
Center Frequency
Bandwidth (-6dB)
Transmitting Sound Pressure Level
at 25.0KHz; 0dB re 0.0002μbar per 10Vrms at 30cm
Transmitter
100
Receiver
20
21
22
23
24
25
26
27
Frequency (KHz)
25.0±1.0KHz
2.0KHz
Sensitivity/Sound Pressure Level
112dB min.
Tested under 10Vrms @30cm
-62dB min.
3000 pF
2600 pF
20Vrms
85° typical
-30 to 70°C
-40 to 80°C
Sound Pressure Level (dB)
130
124
118
112
106
100
94
88
82
76
70
20
21
22
23
24
25
26
Frequency (KHz)
27
Receiving Sensitivity
at 25.0KHz 0dB = 1 volt/μbar
-38
-44
-50
-56
Sensitivity (dB)
-62
-68
-74
-80
-86
-92
28
29
-98
30
250ST
250SR
Max. Driving Voltage (cont.)
Total Beam Angle (-6dB)
Operation Temperature
Storage Temperature
Capacitance
at 1KHz
±20%
All specification taken typical at 25C
Closer frequency tolerance can be supplied upon request.
Model available:
1 250ST/R160 Aluminum Housing
2 250ST/R16B Black Aluminum Housing
3 250ST/R16P Plastic Housing
Dimensions
dimensions are in mm
Beam Angle
Tested at 25.0KHz Frequency
-15°
-30°
-45°
-60°
0°
15°
30°
45°
60°
-75°
75°
-90°
0dB -6dB -12dB -18dB -24dB
90°
S. Square Enterprise Company Limited
Pro-Wave Electronics Corporation
Http://www.pro-wave.com.tw
; E-mail:
sales@pro-wave.com.tw
; Tel: 886-2-22465101 ; Fax: 886-2-22465105
1 of 2
Air Ultrasonic Ceramic Transducers
250SR160 Receiver
Sensitivity Variation vs. Loaded Resistor
-40
250ST/R160
250ST160 Transmitter
SPL Variation vs. Driving Voltage
130
120
110
100
90
80
0
SPL(dB)
-50
Sensitivity(dB)
Fc Variation %
Sensitivity(dB)
Fc Variation %
-60
-70
-80
1K
3.9k
10k
39k
Loaded Resistor(Ω)
100k
390k
2
4
6
8
10 12 14 16 18 20 22 24 26 28 30
Vp-p
Center Frequency Shift vs. Loaded Resistor
5
4
3
2
1
0
-1
-2
-3
-4
-5
1K
Center Frequency Shift vs. Driving Voltage
5
4
3
2
1
0
-1
-2
-3
-4
-5
0
Fc Variation %
3.9k
10k
39k
Loaded Resistor(Ω)
100k
390k
2
4
6
8
10 12 14 16 18 20 22 24 26 28 30
Vp-p
Sensitivity Variation vs. Temperature
-40
SPL Variation vs. Temperature
130
-50
SPL(dB)
-60
120
110
-70
-80
-40 -30 -20 -10
100
90
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100
Temperature(
℃
)
0
10 20 30 40 50 60 70 80 90 100
Temperature(
℃
)
Center Frequency Shift vs. Temperature
5
4
3
2
1
0
-1
-2
-3
-4
-5
-40 -30 -20 -10
Center Frequency Shift vs. Temperature
5
4
3
2
1
0
-1
-2
-3
-4
-5
-40 -30 -20 -10
Fc Variation %
0
10 20 30 40 50 60 70 80 90 100
Temperature(
℃
)
0
10 20 30 40 50 60 70 80 90 100
Temperature(
℃
)
S. Square Enterprise Company Limited
Pro-Wave Electronics Corporation
Http://www.pro-wave.com.tw
; E-mail:
sales@pro-wave.com.tw
; Tel: 886-2-22465101 ; Fax: 886-2-22465105
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Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Pro-Wave Electronics
:
250SR16M 250ST16M 250SR16P 250ST16P
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