7BB-12-9 Murata, 7BB-12-9 Datasheet - Page 12

• Manufacturer Part Number: 7BB-12-9
• Description: Speakers & Transducers ACOUSTIC ELEMENT
• Manufacturer: Murata
• Series: 7BBr

Specifications of 7BB-12-9

• Magnet Material: Brass
• Diameter: 12 mm
• Frequency Range: 9 KHz
• Impedance: 1000 Ohms
• Capacitance: 8nF
• External Diameter: 12mm
• Resonant Frequency: 9kHz
• Transducer Function: Diaphragm
• Length/height, External: 0.1mm
• Outer Diameter: 12mm
• Sensor Operating Frequency: 8kHz To 10kHz
• Rohs Compliant: Yes
• Operating Temperature Max: 70°C
• Operating Temperature Min: -20°C
• Operating Frequency Range: 8kHz To 10kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested
to approve our product specification or to transact the approval sheet for product specification, before your ordering.
PKM22EPT-2001-B0
PKM22EPT-4001-B0
Freq. Response (Square Wave 3Vp-p, 10cm)
Continued from the preceding page.
Part Number
100
100
90
80
70
60
50
40
100
90
80
70
60
50
40
100
100
90
80
70
60
50
40
100
Input Voltage : 3.00 Vp-p Square
Distance : 10cm
Input Voltage : 3.00 Vp-p Square
Distance : 10cm
Input Voltage : 3.00 Vp-p Square
Distance : 10cm
PKM13EPY-4002-B0
PKM17EPP-4001-B0
500
500
[3Vp-p,2kHz,square wave,10cm]
[3Vp-p,4kHz,square wave,10cm]
PKM22EP-2001
500
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
Pressure Level
1k
1k
1k
Sound
70 min.
85 min.
(dB)
5k
5k
5k
10k
10k
10k
[1Vrms,2kHz,sine wave,10cm]
[1Vrms,4kHz,sine wave,10cm]
20k
20k
20k
Sound Pressure
Level(Ref. only)
70 min.
85 min.
(dB)
Voltage Range
Operating
(Vp-p)
25 max.
25 max.
100
100
90
80
70
60
50
40
100
90
80
70
60
50
40
100
100
90
80
70
60
50
40
100
Input Voltage : 3.00 Vp-p Square
Distance : 10cm
Input Voltage : 3.00 Vp-p Square
Distance : 10cm
Input Voltage : 3.00 Vp-p Square
Distance : 10cm
Capacitance
PKM17EPP-2002-B0
PKM17EPT-4001-B0
PKM22EPP-2001-B0
500
19 30%
10 30%
500
500
[120Hz]
[1kHz]
(nF)
Frequency (Hz)
Frequency (Hz)
Frequency (Hz)
1k
1k
1k
Continued on the following page.
Temp. Range
-20 to +70 C
-20 to +70 C
Operating
5k
5k
5k
10k
10k
10k
P37E17.pdf 02.3.6
Temp. Range
-30 to +80 C
-30 to +80 C
20k
20k
20k
Storage
11
2