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PCRT21ASX Datasheet - Page 17

Download or read online AVX Corporation PCRT21ASX Piezoelectric Acoustic Generators pdf datasheet.



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Piezoelectric Acoustic Generators
Piezo Ringers
Specifications
Model Number
KBS-30DB-1A-20
KBT-33SB-2T-2
KBT-34SB-1T/1A-0
KBT-44SB-1A
KBS-50DL-05C
KBS-30DB-1A-20
KBT-33SB-2T-2
16
Features:
1) Specifically designed for tone-
ringer in telephones
2) Generates high sound pressure
3) Wide variety available
Sound Pressure Level
70dB Min. 1.0~1.5KHz 20Vp-p SQ 30cm
70dB Min. 1.0~1.5KHz 20Vp-p SQ 30cm
75dB Min. 1.0~1.5KHz 20Vp-p SQ 30cm
75dB Min. 1.0KHz
10Vp-p SQ 30cm
———————————
100
90
80
70
60
200
500
1K
2K
5K
10K
20K
Frequency (Hz)
Input Signal: 20Vp-p Sine Wave
Distance:
30cm
100
90
80
70
60
200
500
1K
2K
5K
10K
20K
Frequency (Hz)
Input Signal: 20Vp-p Sine Wave
Distance:
30cm
Example of circuit diagram
TOSHIBA
TA31002P
0.22 F
+
1
8
2
7
100K
3
6
165K
R
C
2
2
4
5
C
1
Static Capacitance
48nF
30%
48nF
30%
68nF
30%
68nF
30%
120nF Min.
Measured at 120Hz
100
90
80
70
60
200
500
1K
2K
5K
10K
20K
Frequency (Hz)
Input Signal: 20Vp-p Sine Wave
Distance:
30cm
100
90
80
70
60
200
500
1K
2K
5K
10K
20K
Frequency (Hz)
Input Signal: 20Vp-p Sine Wave
Distance:
30cm

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