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
④ ⑤ ⑥
⑦
Applications
• Clocks, Electronic Calculators, Cameras
• Equipment Using Microcontrollers
(Microwave Ovens, TVs, Stereos,
Automobiles, etc.)
• Telecommunications (Facsimile Machines,
Telephones)
• Electronic Medical Instruments
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.)
Dimensions
(Unit: mm)
Standard Leads
φ
φ
φ
∗
W: Thickness
L: Length (mm)
S: Strip (mm)
C: Color
AWG-32 UL-1571
50±5, 75±5, 100±10
3±1
red, black
Specifications (A type)
Part Number
Resonant
Frequency
[kHz]
12.0±1.2
10.5±3.0
6.6±1.0
4.6±0.5
1.4±0.5
2.9±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)
700
600
300
200
500
350
5,000±30%
8,000±30%
10,000±30%
20,000±30%
∗
48,000±30%
25,000±30%
13.4±0.1
15.0±0.1
20.0±0.1
27.0±0.1
30.0±0.1
35.0±0.1
10.0±0.3
12.0±0.3
14.2±0.3
20.2±0.3
20.2±0.3
25.0±0.5
(9.0)
(11.0)
(13.0)
(19.0)
(19.0)
(23.5)
0.36±0.1
0.42±0.1
0.45±0.1
0.53±0.1
0.23±0.1
0.57±0.1
0.15±0.03
0.20±0.03
0.20±0.03
0.25±0.03
0.10±0.03
0.25±0.03
Brass
Brass
Brass
Brass
Brass
Brass
KBS-13DA-12A
KBS-15DA-9A-2
KBS-20DA-7A
KBS-27DA-5A
KBS-30DA-1A
KBS-35DA-3A
∗
Measured at 120Hz, all others at 1kHz
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
□
- 3
①
② ③
④ ⑤ ⑥
⑦
Applications
• Smoke Detectors, Security Alarms and
Other Warning Devices
• Electronic Calculators, Alarm Signals
• Telephones
①
Series
②
Diameter (mm)
③
Appearance (Disc-Shaped Buzzer)
④
Resonant Frequency
⑤
3-Electrode Type
(G: G-Pattern, GC: G-Pattern with Leads)
⑥
Metal (Blank: Brass)
⑦
Option Spec. (Lead-wire Spec. etc.)
Dimensions
(Unit: mm)
Standard Leads
φ
φ
φ
∗
W: Thickness
L: Length (mm)
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]
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
KBS-35DA-3G