7BB-27-4 Murata, 7BB-27-4 Datasheet - Page 11

• Manufacturer Part Number: 7BB-27-4
• Description: Speakers & Transducers 4.6KHZ PIEZO ELEMENT
• Manufacturer: Murata
• Series: 7BBr

Specifications of 7BB-27-4

• Magnet Material: Brass
• Dimensions: 0.3 mm D
• Diameter: 27 mm
• Depth: 0.3 mm
• Frequency Range: 4.6 KHz
• Impedance: 200 Ohms
• Shape: Round
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

!Note
• 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
• 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.
sales representatives or product engineers before ordering.
!Note
PKM13EPYH4002-B0
PKM17EPP-2002-B0
PKM17EPPH4001-B0
PKM22EPH2001
PKM22EPPH2001-B0
PKM22EPPH4001-B0
PKM22EPPH4005-B0
PKM22EPPH4007-B0
PKM22EPTH2001-B0
PKM22EPPH4005-B0
PKM22EPTH2001-B0
Continued from the preceding page.
• 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.
Part Number
1.0
R11.0
[3Vp-p,4kHz,square wave,10cm]
[3Vo-p,2kHz,square wave,10cm]
[3Vp-p,4kHz,square wave,10cm]
[3Vp-p,2kHz,square wave,10cm]
[3Vp-p,2kHz,square wave,10cm]
[3Vp-p,4kHz,square wave,10cm]
[3Vp-p,4kHz,square wave,10cm]
[3Vp-p,4kHz,square wave,10cm]
[3Vp-p,2kHz,square wave,10cm]
3.5
Pressure Level
3–ø1.7
2–ø3.5
12.5
Sound
70 min.
70 min.
72 min.
75 min.
70 min.
75 min.
75 min.
85 min.
70 min.
3–ø1.5
22.0
(dB)
R1.0
ø1.2
0.8
6.0
ø22.0
10.0
[1Vrms,4kHz,sine wave,10cm]
[1Vrms,2kHz,sine wave,10cm]
[1Vrms,4kHz,sine wave,10cm]
[1Vrms,2kHz,sine wave,10cm]
[1Vrms,2kHz,sine wave,10cm]
[1Vrms,4kHz,sine wave,10cm]
[1Vrms,4kHz,sine wave,10cm]
[1Vrms,4kHz,sine wave,10cm]
[1Vrms,2kHz,sine wave,10cm]
(In : mm)
Tol. : 0.5
3.0
Sound Pressure
Level (Ref. only)
7.0
0.25
Tol.: 0.5
(in mm)
0.8
70 min.
70 min.
72 min.
75 min.
70 min.
75 min.
75 min.
85 min.
70 min.
(dB)
0.1
0
PKM22EPPH4007-B0
Voltage Range
30.0 Vp-p max.
25.0 Vo-p max.
25.0 Vp-p max.
25.0 Vp-p max.
30.0 Vp-p max.
30.0 Vp-p max.
30.0 Vp-p max.
30.0 Vp-p max.
25.0 Vp-p max.
[with polarity]
Operating
Capacitance
34.0 30%
17.0 30%
19.0 30%
12.0 30%
12.0 30%
12.0 30%
19.0 30%
5.5 30%
7.0 30%
[120Hz]
[120Hz]
[120Hz]
[120Hz]
[1kHz]
[1kHz]
[1kHz]
[1kHz]
[1kHz]
(nF)
2-
PKM22EPPH4007-B0
PKM22EPPH4012-B0
R1.0
Temp. Range
3.5
2-
Part Number
Operating
0.8
-40 to +85
-20 to +70
-20 to +70
-20 to +70
-20 to +70
-20 to +70
-20 to +70
-20 to +70
-20 to +70
1.2
( C)
10.0
22.0
6.5
3.5
Temp. Range
Storage
-40 to +85
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
(In : mm)
Tol. : 0.5
( C)
P37E.pdf
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10.1.28
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