Buzzer
   Receiver
   Speaker
   Inductor
   Siren
   Sensor
   Other
 
 
 



耳机

 

1. Technical terms

No.

Item

Unit

Specification

1

Frequency

KHz

102±3

2

Capacitance

pF

550±20%

3

Impedance

Ω

<30

4

Loss

<0.5%

5

Electromechanical coupling factor

>0.45

2.Drawing
空


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