7BB-12-9 Murata, 7BB-12-9 Datasheet - Page 31

• 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

8
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.
1. Washing of the component is not acceptable, because
2. Please do not cover the hole with tape or other
3. There should not be any obstacle within 15mm from
1.The component may be damaged if mechanical stress
2.Resistors should not be connected in series to the power
30
Piezoelectric Buzzers Notice
Notice (Soldering and Mounting)
it is not sealed.
obstacle as this will produce irregular oscillation.
top of the component as this will produce irregular
oscillation.
Notice (Handling)
over this specification is applied.
supply as this will produce irregular oscillation. When
resistor is necessary to control sould volume, use
capacitor (1 F) parallel with the buzzer together.
+Vdd
Buzzer
Capacitor
(1 F)
P37E17.pdf 02.3.6