BJ-21590-000 Knowles Acoustics, BJ-21590-000 Datasheet - Page 2

• Manufacturer Part Number: BJ-21590-000
• Description: MIC MAGN PASSIVE OMNI DIRECTION
• Manufacturer: Knowles Acoustics
• Series: BJr
• Type: Magnetic Armaturer

Specifications of BJ-21590-000

• Sensitivity: -75dB ±3dB
• Size / Dimension: Rectangular - 7.87mm L x 5.59mm W x 4.01mm H
• Impedance: 3.9K Ohm
• Frequency: 300Hz ~ 5kHz
• Termination: Solder Pads
• Direction: Omnidirectional
• Port Location: Top
• Directional Properties: Omnidirectional
• Dimensions: 7.87 mm L x 5.59 mm W x 4.01 mm D
• Depth: 4.01 mm
• Length: 7.87 mm
• Width: 5.59 mm
• Transducer Function: Microphone
• Device Type: Microphone
• Directivity: Omni
• Output Impedance: 3900ohm
• Mounting Type: Surface Mount
• 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: 423-1001; BJ-1590; BJ-21590; BJ1590

Knowles Acoustics, previously known as
Emkay Innovative Products, is a division of
Knowles Electronics LLC, the world leader
in microacoustic technology for the
Hearing Health Industry. Leveraging the
company’s heritage of fifty plus years
supplying acoustic expertise to this
market, we have expanded this capability
with additional competencies to new
markets and customers globally.
Our mission is to provide the acoustic interface solution that will enhance the audio performance of your
Innovation and Technology
product while simplifying your manufacturing process....
Our mission is to improve the acoustic
interface of your product while simplifying
your manufacturing process. Our full
spectrum of acoustic interface solutions
ranges from sound porting and
subminiature microphones and speakers
to the world’s most advanced line of
surface mount microphones and sound
conditioning software.
If you feel the time has come to evolve both
your product and your production process,
look to Knowles Acoustics. Together, we can
improve your audio performance, simplify
your manufacturing process, lower your total
cost of ownership, and accelerate your time
to market.