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  • Cost Reduction
  • Min Order From 1 PCS
  • 365 Days Warranty
  • 12 Hours Quotation
Product Specifications
  • AttributesAttribute Value
  • ManufacturerKnowles
  • CategoryMicrophones
  • PackagesBulk
  • Standard Quantity25
  • Description20 Hz ~ 10 kHz Analog Microphone Piezo 0.9 V ~ 1.9 V Omnidirectional (-69dB ±3dB @ 74dB SPL) Solder Pads
  • Output TypeAnalog
  • Size / Dimension0.310" L x 0.218" W (7.87mm x 5.54mm)
  • Sensitivity-69dB ±3dB @ 74dB SPL
  • ShapeRectangular
  • TypePiezo
  • TerminationSolder Pads
  • DirectionOmnidirectional
  • Port LocationSide
  • Height (Max)0.090" (2.29mm)
  • Voltage - Rated1.3 V
  • Impedance4 kOhms
  • Current - Supply160 μA
  • Voltage Range0.9 V ~ 1.9 V
  • Frequency Range20 Hz ~ 10 kHz

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Quality and Reliability

We supply 100% original and brand-new BL-21785-000 from Knowles only.

Hard Find Electronics Tech Limited is committed to achieving the highest levels of quality to meet and exceed customer requirements. We have built a network of trusted suppliers and assembled a team of experienced professionals to serve our customers better. Our rigorous 3-step quality control process ensures that you receive the best possible service and products. All components supplied by us come with a 365-day quality warranty, guaranteeing your satisfaction and confidence in our products.

Order Guide
  • RFQ
    Source at least two reliable suppliers
  • QUOTE
    Information checking available/price/condition
  • QC PROCESS
    3-Step Quality Control and Professional Third-Party Test
  • SHIPMENT
    FedEx, DHL, UPS, TNT
In Stock: 0
Please send an RFQ for instant price and inventory.
 Fast Shipping

QUANTITY

Multiples of 1

MORECustomer Reviews
  • Ch***en 
    Everything is fine, as part of a large order without errors! delivery fast, thank you!
  • Mi***co 
    All it's okay.
  • Ha***er 
    We've now received your shipment, and there's no problem. Thank you for the best quote, it absolutely lowered our cost. I sent you the new inquiry, waiting for your good price.
  • Ro***to 
    Recieved! All products are good.
  • FR***co 
    Perfect, thanks

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Hard-to-find Electronic Components Distributor
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BL-21785-000

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