BL-21785-000 Knowles Acoustics, BL-21785-000 Datasheet - Page 28

• Manufacturer Part Number: BL-21785-000
• Description: MIC ELEMENT PIEZO INSTRUMENT
• Manufacturer: Knowles Acoustics
• Series: BLr
• Type: Piezo Condenserr

Specifications of BL-21785-000

• Sensitivity: -69dB ±3dB
• Voltage - Rated: 1.3V
• Current: 160µA
• Size / Dimension: Rectangular - 7.87mm L x 5.54mm W x 2.24mm H
• Impedance: 4K Ohm
• Frequency: 20Hz ~ 10kHz
• Termination: Solder Pads
• Direction: Omnidirectional
• Port Location: Side
• Directional Properties: Omnidirectional
• Operating Voltage: 3 V
• Dimensions: 7.87 mm L x 5.54 mm W x 2.24 mm D
• Depth: 2.24 mm
• Length: 7.87 mm
• Width: 5.54 mm
• Transducer Function: Microphone
• Device Type: Microphone
• Directivity: Omni
• External Diameter: 1.41mm
• Output Impedance: 4000ohm
• Drain Current Max: 160µA
• Outer Diameter: 1.41mm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Filter Type: -
• S/n Ratio: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 423-1003; BL-1785; BL-21785; BL1785

AMERICAS:
Knowles Acoustics
1151 Maplewood Drive
Itasca, IL 60143 U.S.A.
Phone: [phone]
Fax: [phone]
© 2007 Knowles Acoustics Printed In USA
Knowles North &
South America
World Headquarters
Manufacturing
Sales & Application Engineering
For immediate assistance on your specific requirements, please call the nearest facility listed below.
EUROPE:
Knowles Acoustics
York Road, Burgess Hill
West Sussex, RH15 9TT
England
Phone: [phone]
Fax: [phone]
Knowles Acoustics maintains sales, marketing, engineering and manufacturing globally.
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Globally Positioned
www.knowles.com
East
JAPAN:
Knowles Acoustics
2-2-16 Sangenjaya
Setagaya-Ku, Tokyo
154-0024 Japan
Phone: [phone]
Fax: [phone]
EMEA / ASIA PACIFIC
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Knowles Acoustics
#1212 Dongbu Root Building, 16-2
Sunae-Dong
Bundang-Ku, Sungnam-Shi
Kyunggi-Do, Korea
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ASIA:
Knowles Acoustics
5F, No. 129, Lane 235, Bauchiau Rd.
Shindian City, Taipei 23145, Taiwan
Phone: [phone]
Fax: [phone]
Knowles Japan
Knowles Korea
KA-003-12-07V3