7BB-12-9 Murata, 7BB-12-9 Datasheet - Page 20

• 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.
Taking advantage of extensive acoustic and mechanical
designing technology and high performance ceramics,
Murata has developed SMD piezoelectric sounder that
suites thin, high-density design of electronic
equipment.
1. High S.P.L. and clear sound.
2. Reflowable.
3. Tape & Reel supply.
4. Minimum quantity (order in sets only):1,000 pcs.
PKLCS1212E4001-R1
Piezoelectric Sound Components
Piezoelectric Sounders External Drive SMD Type
Features
Standard Land Pattern Dimensions
Part Number
12.4
10.0
[3Vp-p,4kHz,square wave,10cm]
Pressure Level
75 min.
Sound
(dB)
(in mm)
Voltage Range
Freq. Response (Square Wave 3Vp-p, 10cm)
100
Operating
90
80
70
60
50
40
25 max.
(Vp-p)
1.0
Input Voltage : 3.00Vp-p Square
Distance : 10cm
1.5
2.0
2.5
Temp. Range
-20 to +70 C
3.0
Operating
Ferquency (kHz)
3.5
(1.9)
Continued on the following page.
12.0
(6.4)
10.0
4.0
4.5
Sound Emitting Hole
P37E17.pdf 02.3.6
Temp. Range
-30 to +80 C
5.0
Storage
0.9
5.5
( ) : Ref. only
Tol. 0.2
6.0
in mm
19
5