Piezo Ceramic Elements
KBS Series
Features
• Wide variety of tones by connecting to IC
• Low current consumption, thin and light
design
• High reliability and no contact noise
How to Order
KBS - 20 DA - 7 A
-1
①
② ③ ④⑤ ⑥ ⑦
①Series
②Diameter
(mm)
③Appearance
(Disc-Shaped Buzzer)
④Resonant
Frequency
⑤2-Electrode
Type
(A: Element Only, C: With Lead)
⑥Metal
(Blank: Brass)
⑦Option
Spec (Lead-wire Spec etc.)
Applications
• Clocks, Electronic Calculators, Pagers,
Cameras
• Equipment Using Microcontrollers
(Microwave Ovens, TVs, Stereos,
Automobiles, etc.)
• Telecommunications (Facsimile Machines,
Telephones)
• Electronic Medical Instruments
Dimensions
(Unit : mm)
Standard Leads
L
Electrode
Piezoelectric Disc
Metal Disc
T
S
C (red)
C (black)
C
B
A
See
specifications
for values of A, B, C, etc.
t
W: Thickness
L: Length (mm)
S: Strip (mm)
C: Color
AWG-32 UL-1571
505, 755, 10010
31
red, black
Specifications (A type)
Part Number
KBS-13DA-12A
KBS-15DA-9A-2
KBS-20DA-7A
KBS-23DA-4A
KBS-27DA-5A
KBS-30DA-1A
KBS-35DA-3A
Resonant
Frequency
[kHz]
12.01.2
10.53.0
6.61.0
4.01.0
4.60.5
1.40.5
2.90.5
Resonant
Impedance Capacitance
Metal Disc
[pF]
[]
(A)
700
600
300
600
200
500
200
5,00030%
8,00030%
10,00030%
12,00030%
20,00030%
48,00030%
30,00030%
13.40.1
15.00.1
20.00.1
22.80.1
27.00.1
30.00.1
35.00.1
Dimensions (mm)
Ceramic Disc
(B)
Electrode
Total Thickness
Metal Disc
(C)
(T)
Thickness (t)
(9.0)
(11.0)
(13.0)
(14.0)
(19.0)
(19.0)
(23.5)
0.360.1
0.420.1
0.450.1
0.410.1
0.530.1
0.230.1
0.530.1
0.150.03
0.200.03
0.200.03
0.150.03
0.250.03
0.100.03
0.250.03
Metal Disc
Material
Brass
Brass
Brass
Brass
Brass
Brass
Brass
10.00.3
12.00.3
14.20.3
15.00.3
20.20.3
20.20.3
25.00.5
Measured at 120Hz, all others at 1kHz
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Piezo Ceramic Elements
KBS Series
Features
• High sound pressure level and clear sound
by connecting to a self oscillating circuit
• Thin and light design
• High reliability and no contact noise
How to Order
KBS - 35 DA - 3 G
①
② ③
④⑤ ⑥ ⑦
-3
Applications
• Smoke Detectors, Security Alarms and
Other Warning Devices
• Pagers, Electronic Calculators, Alarm Signals
• Telephones
①Series
②Diameter
(mm)
③Appearance
(Disc-Shaped Buzzer)
④Resonant
Frequency
⑤3-Electrode
Type
(G: G-Pattern, GC: G-Pattern with Leads)
⑥Metal
(Blank: Brass)
⑦Option
Spec (Lead-wire Spec etc.)
Dimensions
(Unit : mm)
Standard Leads
L
T
Electrode
Piezoelectric Disc
Metal Disc
C (red)
C (blue)
Feedback Tab
C
B
A
See
specifications
for values of A, B, C, etc.
S
C (black)
t
W: Thickness
L: Length (mm)
S: Strip (mm)
C: Color
AWG-32 UL-1571
505, 755, 10010
31
red, black, blue
Specifications (G type)
Part Number
KBS-27DA-5G
KBS-35DA-3G
Resonant
Frequency
[kHz]
4.60.5
2.90.5
Resonant
Impedance Capacitance
Metal Disc
[pF]
[]
(A)
200
200
16,00030%
25,00030%
27.00.1
35.00.1
Dimensions (mm)
Ceramic Disc
(B)
Electrode
Total Thickness
Metal Disc
Thickness (t)
(C)
(T)
(19.0)
(23.6)
0.530.1
0.530.1
0.250.03
0.250.03
Metal Disc
Material
Brass
Brass
20.20.3
25.00.3
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