7BB-20-6L0 Datasheet

5
1
!Note
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Piezoelectric Sound Components
Piezoelectric Diaphragms
■ Features
1. Clear sound
2. Ultra thin and lightweight
3. No contacts: therefore, no noise and highly reliable
4. Low power consumption for voltage type
■ Applications
Clocks/Calculators/Digital camera/Various alarms
(Burglar alarms, etc.)
T
t
Red
Black
øD øa øb
External Drive Type
Part Number
Resonant
Frequency
(kHz)
Resonant
Impedance
(ohm)
Capacitance
(nF)
Plate Size
dia. D
(mm)
Element Size
dia. a
(mm)
Electrode Size
dia. b
(mm)
Thickness
T
(mm)
Plate Thickness
t
(mm)
Plate Material
7BB-12-9 9.0 ±1.0kHz 1000 max.
8.0 ±30%
[1kHz]
12.0 9.0 8.0 0.22 0.10 Brass
7BB-15-6 6.0 ±1.0kHz 800 max.
10.0 ±30%
[1kHz]
15.0 10.0 9.0 0.22 0.10 Brass
7BB-20-3 3.6 ±0.6kHz 500 max.
20.0 ±30%
[1kHz]
20.0 14.0 12.8 0.22 0.10 Brass
7BB-20-6 6.3 ±0.6kHz 350 max.
10.0 ±30%
[1kHz]
20.0 14.0 12.8 0.42 0.20 Brass
7BB-20-6L0 6.3 ±0.6kHz 1000 max.
10.0 ±30%
[1kHz]
20.0 14.0 12.8 0.42 0.20
Brass
(with Lead Wire:
AWG32 Length 50mm)
7BB-27-4 4.6 ±0.5kHz 200 max.
20.0 ±30%
[1kHz]
27.0 19.7 18.2 0.54 0.30 Brass
7BB-27-4L0 4.6 ±0.5kHz 300 max.
20.0 ±30%
[1kHz]
27.0 19.7 18.2 0.54 0.30
Brass
(with Lead Wire:
AWG32 Length 50mm)
7BB-35-3 2.8 ±0.5kHz 200 max.
30.0 ±30%
[1kHz]
35.0 25.0 23.0 0.53 0.30 Brass
7BB-35-3L0 2.8 ±0.5kHz 200 max.
30.0 ±30%
[1kHz]
35.0 25.0 23.0 0.53 0.30
Brass
(with Lead Wire:
AWG32 Length 50mm)
7BB-41-2 2.2 ±0.3kHz 250 max.
30.0 ±30%
[1kHz]
41.0 25.0 23.0 0.63 0.40 Brass
7BB-41-2L0 2.2 ±0.3kHz 300 max.
30.0 ±30%
[1kHz]
41.0 25.0 23.0 0.63 0.40
Brass
(with Lead Wire:
AWG32 Length 50mm)
7NB-31R2-1 1.3 ±0.5kHz 300 max.
40.0 ±30%
[120Hz]
31.2 19.7 18.2 0.22 0.10 Nickel Alloy
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
!Note
P37E.pdf
10.1.28