7BB-12-9 Murata, 7BB-12-9 Datasheet - Page 34

• 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.
Washing of the component is not acceptable,
because it is not sealed.
1. The component may be damaged if mechanical stress
2. Please pay attention to protect operating circuit
3. If DC voltage is applied to the component, silver
Circuit
Notice (Soldering and Mounting)
Notice (Handling)
over this specification is applied.
from surge voltage provided by something of force
such as falling, shock and temperature changing.
migration may occur. Please pay full attention not
to subject the component to DC voltage for long
1Vrms, Sine Wave
100
Amp.
microphone
Receiver
Coupler
(IEC-318)
Ear Piece
12.4mm
9.0mm
30.0mm
ø1.0mm
4. Please pay attention to the hand set design.
periods.
Sound pressure level - frequency characteristics
are affected by the hand set design. (Blocking the
sound emitting hole or air dumping hole may degrade
S.P.L. -frequency characteristics. To dispose other
components or obstacle close to the holes may also
affect the characteristics.)
Piezoelectric Receiver Circuit/Notice
P37E17.pdf 02.3.6
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