Piezo Ceramic Elements
KBS Series
Features
How to Order
KBS - 20 DA - 7 A □ - 1
• Wide variety of tones by connecting to IC
• Low current consumption, thin and light
design
• High reliability and no contact noise
①
Applications
• Clocks, Electronic Calculators, Cameras
• Equipment Using Microcontrollers
(Microwave Ovens, TVs, Stereos,
Automobiles, etc.)
• Telecommunications (Facsimile Machines,
Telephones)
• Electronic Medical Instruments
Dimensions
(Unit: mm)
② ③
④ ⑤ ⑥
⑦
① Series
② Diameter (mm)
③ Appearance (Disc-Shaped Buzzer)
④ Resonant Frequency
⑤ 2-Electrode Type
(A: Element Only, C: With Lead)
⑥ Metal (Blank: Brass)
⑦ Option Spec. (Lead-wire Spec. etc.)
Standard Leads
,
4
%LECTRODE
3
0IEZOELECTRIC$ISC
-ETAL$ISC
#RED
#BLACK
φ#
T
φ"
W: Thickness
φ!
L: Length (mm)
∗3EESPECIFICATIONS
FORVALUESOF!"#ETC
S: Strip (mm)
C: Color
AWG-32 UL-1571
50±5, 75±5, 100±10
3±1
red, black
Specifications (A type)
Dimensions (mm)
Resonant
Capacitance
Metal Disc
Impedance
Metal Disc Ceramic Disc Electrode Total Thickness Metal Disc
[pF]
Material
[Ω]
(φB)
(φC)
(T)
Thickness (t)
(φA)
Part Number
Resonant
Frequency
[kHz]
KBS-13DA-12A
12.0±1.2
700
5,000±30%
13.4±0.1
10.0±0.3
(9.0)
0.36±0.1
0.15±0.03
Brass
KBS-15DA-9A-2
10.5±3.0
600
8,000±30%
15.0±0.1
12.0±0.3
(11.0)
0.42±0.1
0.20±0.03
Brass
KBS-20DA-7A
6.6±1.0
300
10,000±30%
20.0±0.1
14.2±0.3
(13.0)
0.45±0.1
0.20±0.03
Brass
KBS-27DA-5A
4.6±0.5
200
20,000±30%
27.0±0.1
20.2±0.3
(19.0)
0.53±0.1
0.25±0.03
Brass
KBS-30DA-1A
1.4±0.5
500
∗48,000±30%
30.0±0.1
20.2±0.3
(19.0)
0.23±0.1
0.10±0.03
Brass
KBS-35DA-3A
2.9±0.5
350
25,000±30%
35.0±0.1
25.0±0.5
(23.5)
0.57±0.1
0.25±0.03
Brass
∗ Measured at 120Hz, all others at 1kHz
Piezo Ceramic Elements
KBS Series
Features
How to Order
KBS - 35 DA - 3 G □ - 3
• High sound pressure level and clear
sound by connecting to a self oscillating
circuit
• Thin and light design
• High reliability and no contact noise
①
• Smoke Detectors, Security Alarms and
Other Warning Devices
• Electronic Calculators, Alarm Signals
• Telephones
(Unit: mm)
④ ⑤ ⑥
⑦
① Series
② Diameter (mm)
③ Appearance (Disc-Shaped Buzzer)
④ Resonant Frequency
⑤ 3-Electrode Type
Applications
Dimensions
② ③
(G: G-Pattern, GC: G-Pattern with Leads)
⑥ Metal (Blank: Brass)
⑦ Option Spec. (Lead-wire Spec. etc.)
Standard Leads
,
3
4
%LECTRODE
0IEZOELECTRIC$ISC
-ETAL$ISC
#RED
#BLUE
#BLACK
&EEDBACK4AB
T
φ#
φ"
W: Thickness
φ!
L: Length (mm)
∗3EESPECIFICATIONS
FORVALUESOF!"#ETC
S: Strip (mm)
C: Color
AWG-32 UL-1571
50±5, 75±5, 100±10
3±1
red, black, blue
Specifications (G type)
Part Number
Resonant
Frequency
[kHz]
KBS-35DA-3G
2.6±0.5
Dimensions (mm)
Resonant
Capacitance
Metal Disc
Impedance
Metal Disc Ceramic Disc Electrode Total Thickness Metal Disc
[pF]
Material
[Ω]
(φB)
(φC)
(T)
Thickness (t)
(φA)
350
25,000±30%
35.0±0.1
25.0±0.3
(23.6)
0.53±0.1
0.25±0.03
Brass
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