Part No :

BL-21671-140

Manufacturer
Knowles
VIGOR # :

4507297

Description
MICROPHONE PIEZO ANALOG OMNI
Catalog
Microphones
DataSheet
BL-21671-140 PDF
Country of origin
-
Date code
-
ads
Type Description
Series:BL
Package:Bulk
Part Status:Obsolete
Type:Piezo
Output Type:Analog
Direction:Omnidirectional
Frequency Range:100 Hz ~ 2.5 kHz
Sensitivity:-54.5dB ±3dB @ 74dB SPL
S/N Ratio:-
Impedance:13 kOhms
Voltage - Rated:1.3 V
Voltage Range:-
Current - Supply:50 µA
Port Location:Side
Ratings:-
Termination:Solder Pads
Size / Dimension:0.310" L x 0.218" W (7.87mm x 5.54mm)
Height (Max):0.163" (4.13mm)
Shape:Rectangular
  • Please confirm the specifications of the products when ordering.
  • MOQ means the minimum order quantity required to purchase each parts.
  • If you have special order instructions,please note it on the ordering pages.
  • The Pre-Shipment Inspection (PSI) will be applied.
  • You can email us to change the order details before shipment.
  • Orders cannot be canceled after shipping the packages.
  • TT in advance (bank transfer), Credit Card, PayPal can be chosen.
  • Cash transfer only. (Transfer with checks and bills are not accepted.)
  • Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
  • If you need the detailed invoice or tax ID,please email us.
  • FedEx, DHL, and UPS can be selected.
  • You can select whether to charge shipping fee by your shipping account or to charge by our side.
  • Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
  • The shopping cart will automatically calculate the shipping cost.
  • Delivery time: At the same day (Order deadline is 2pm, HK Time).
  • Delivery date: usually 2 to 7 working days.
  • It is unable to appoint a date of delivery.
  • Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)
Shipped from
HK warehouse
Expected Shipping Date
Jan 03 - Jan 07 2026
Pricing(USD)
Quantity Unit Price Ext. Price

Current price of BL-21671-140 is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

HM-31308-P113

HM-31308-P113

MIC COND ANALOG -32DB 6MM D

MD6030NSZ-0

MD6030NSZ-0

MIC COND ANALOG NC -39DB 6MM D

WM-63GNT330

WM-63GNT330

MICROPHONE COND ANALOG OMNI

08052C222JAT2A

08052C222JAT2A

CAP CER 2200PF 200V X7R 0805

PIC18LF65K40T-I/MR

PIC18LF65K40T-I/MR

IC MCU 8BIT 32KB FLASH 64VQFN

MAX9202EUD+T

MAX9202EUD+T

IC COMPARATOR LP 14-TSSOP

BL-21671-140

BL-21671-140

MICROPHONE PIEZO ANALOG OMNI

Top