7BB-20-6L0 Datasheet
Table Of Contents
- for EU RoHS Compliant
- CONTENTS
- Part Numbering
- Application Matrix
- Piezoelectric Diaphragms
- Piezoelectric Sounders External Drive Pin Type
- Piezoelectric Sounders External Drive Pin Type Taping
- Piezoelectric Sounders External Drive Lead Wire Type
- Piezoelectric Sounders External Drive SMD Type
- Piezoelectric Ringers ("PIEZORINGER")
- Piezoelectric Sounders Self Drive Pin Type
- Piezoelectric Buzzers
- Piezoelectric Sound Components Notice
- Package
6
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.
T
t
Red
Black
Blue
øD øa øb
Self 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-20-6C 6.3 ±0.6kHz 500 max.
8.5 ±30%
[1kHz]
20.0 14.0 12.8 0.42 0.20 Brass
7BB-20-6CL0 6.3 ±0.6kHz 800 max.
8.5 ±30%
[1kHz]
20.0 14.0 12.8 0.42 0.20
Brass
(with Lead Wire:
AWG32 Length 50mm)
7BB-27-4C 4.6 ±0.5kHz 200 max.
18.0 ±30%
[1kHz]
27.0 19.7 18.2 0.54 0.30 Brass
7BB-27-4CL0 4.6 ±0.5kHz 350 max.
18.0 ±30%
[1kHz]
27.0 19.7 18.2 0.54 0.30
Brass
(with Lead Wire:
AWG32 Length 50mm)
7BB-35-3C 2.8 ±0.5kHz 200 max.
26.0 ±30%
[1kHz]
35.0 25.0 23.0 0.53 0.30 Brass
7BB-35-3CL0 2.8 ±0.5kHz 200 max.
26.0 ±30%
[1kHz]
35.0 25.0 23.0 0.53 0.30
Brass
(with Lead Wire:
AWG32 Length 50mm)
7BB-41-2C 2.2 ±0.3kHz 250 max.
24.0 ±30%
[1kHz]
41.0 25.0 23.0 0.63 0.40 Brass
7BB-41-2CL0 2.2 ±0.3kHz 350 max.
24.0 ±30%
[1kHz]
41.0 25.0 23.0 0.63 0.40
Brass
(with Lead Wire:
AWG32 Length 50mm)
7SB-34R7-3C 3.1 ±0.3kHz 150 max.
24.0 ±30%
[1kHz]
34.7 25.0 23.4 0.50 0.25 Stainless
■ Node Diameter
• Sound diaphragms without feedback electrode also have the same node diameters.
Part Number Node Diameter (mm)
7BB-20-6C
7BB-27-4C
7BB-35-3C
7BB-41-2C
φ13.5
φ17.5
φ22.5
φ26.5
• 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