10-13 NOV 2026 · Munich, Germany

MEET FIXCHIPS (C3-161) AT electronica 2026

Knowles BL-21671-140

Knowles BL-21671-140 electronic component product image

Image is only for reference

Manufacturer
Manufacturer No
BL-21671-140
Packaging
Bulk
Description
MIC PIEZO ANALOG OMNI -54.5DB
Detailed Description
100 Hz ~ 2.5 kHz Analog Microphone Piezo Omnidirectional (-54.5dB ±3dB @ 74dB SPL) Solder Pads
Datasheet
Payment
PayPalEast West BankVISAMastercardWestern Union
Delivery
DHLFedExUPSTNT
AS9120
ISO 13485
ERAI Member
VDE
ISO 9001
ISO 14001
Five-Star After-Sales Service Certification
Bavarian Chips Alliance
UKAS Management Systems
ANAB ISO/IEC 17021
IAF
Type
Piezo
Shape
Rectangular
Series
BL
Direction
Omnidirectional
Impedance
13 kOhms
Packaging
Bulk
S/N Ratio
-
Output Type
Analog
Sensitivity
-54.5dB ±3dB @ 74dB SPL
Termination
Solder Pads
Height (Max)
0.163" (4.13mm)
Manufacturer
Knowles
Port Location
Side
Frequency Range
100 Hz ~ 2.5 kHz
Voltage - Rated
1.3 V
Current - Supply
50 µA
Size / Dimension
0.310" L x 0.218" W (7.87mm x 5.54mm)
AttributeValue
TypePiezo
ShapeRectangular
SeriesBL
DirectionOmnidirectional
Impedance13 kOhms
PackagingBulk
S/N Ratio-
Output TypeAnalog
Sensitivity-54.5dB ±3dB @ 74dB SPL
TerminationSolder Pads
Height (Max)0.163" (4.13mm)
ManufacturerKnowles
Port LocationSide
Frequency Range100 Hz ~ 2.5 kHz
Voltage - Rated1.3 V
Current - Supply50 µA
Size / Dimension0.310" L x 0.218" W (7.87mm x 5.54mm)

Purchase & Inquiry

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RFQ (Request for Quote)

We suggest submitting an RFQ to get the most up-to-date pricing and availability for the components you are looking for. Our sales team will reply by email within 24 hours.

Important Notes

1. An email containing your order details will be sent to your inbox. If you cannot find it, please check your spam or junk mail folder.

2. Product availability and pricing may change over time. Our sales manager will verify the details of your order and contact you if any changes or confirmation are required.

Packaging Process