OB-4530 Shape size: ∮4.5 x h3.0

Very small,thin type omni-directional microphone
Most suited to products having limited Space
To design for high resistance to vibrations
 

Capacitor inside:

• 10pF(DECT, PHS, PCN, PCS.etc.)
• 33pF(GSM.PDS.etc.)
• 10pF+33pF(DECT, PHS,PCN,GSM,PDS.etc.)

Specifications:

• Sensitivity: See above(0dB = 1v / Pa, 1kHz)
• Impedance: Less than 2.2KΩ
• Directivity: Omini-Directional
• Frequency: 20-16,000Hz
• Max. operation voltage: 10.0V
• Standard operation voltage: 2.0V
• Current consumption: Max. 0.5mA
• Sensitivity reduction: Within-3dB at 1.5V
• S/N ratio: More than 58dB
• Shape size: ∮4.5 x h3.0