7BB-12-9 Murata, 7BB-12-9 Datasheet - Page 32

• 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, mechanical
designing technology and high performance ceramics,
Murata has developed SMD piezoelectric receiver.
This Murata technology supports labor and cost saving
activities.
1. Thin shape, light weight.
2. Low current consumption and good matching impedance
3. Reflowable.
4. Tape & Reel supply.
5. Minimum quantity (order in sets only):1,500 pcs.
PKLCD1212R1000-R1
Piezoelectric Sound Components
Piezoelectric Receiver
Features
for a voltage drive.
Standard Land Pattern Dimensions
Part Number
12.4
10.0
Sound Pressure
106.0 +4.0/-2.5
[at 300Hz]
Level(1)
(dB)
Sound Pressure
114.0 +2.5/-4.0
[at 1kHz]
Level(2)
(dB)
(in mm)
Voltage Range
Operating
Freq. Response (Sine Wave 1Vrms)
7 max.
(Vp-p)
120
110
100
90
80
70
60
100
Input Voltage: 1Vrms , Sine wave
Temperature Range
-20 to +70 C
Operating
500
Frequency (Hz)
1k
3.0+/-0.3
Continued on the following page.
(5.0)
10.0
12.0
Temperature Range
-30 to +80 C
P37E17.pdf 02.3.6
Storage
0.9
5k
( ) : Ref. only
Tol. 0.2
10k
in mm
31
9