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Knowles Semiconductors

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
	Board Mount Motion & Position Sensors 7.92 x 5.59 x 4.14mm '-45 20hz to 10Khz BU-21771-000 Knowles 1: $80.03 108In Stock	Mfr. Part # BU-21771-000 Mouser Part # 721-BU-21771-000	Knowles	Board Mount Motion & Position Sensors 7.92 x 5.59 x 4.14mm '-45 20hz to 10Khz	Datasheet	108In Stock	$80.03 $73.92 $71.63 $68.97 View $65.55 $63.88 $63.87 Quote	Min.: 1 Mult.: 1
	MEMS Microphones MICROPHONE MM20-33639-000 Knowles 1: $14.56 190In Stock	Mfr. Part # MM20-33639-000 Mouser Part # 721-MM20-33639-000	Knowles	MEMS Microphones MICROPHONE	Datasheet	190In Stock	$14.56 $11.34 $10.30 $9.58 View $8.89 $8.15 $7.76	Min.: 1 Mult.: 1
	Board Mount Motion & Position Sensors 7.92 X 5.59 X 2.28MM -40, 20hz to 10Khz BU-23842-000 Knowles 1: $80.13 110In Stock	Mfr. Part # BU-23842-000 Mouser Part # 721-BU-23842-000	Knowles	Board Mount Motion & Position Sensors 7.92 X 5.59 X 2.28MM -40, 20hz to 10Khz	Datasheet	110In Stock	$80.13 $74.02 $71.75 $69.02 View $66.26 $64.58 $64.57 Quote	Min.: 1 Mult.: 1
	MEMS Microphones 71dB 1.3mm Height 0.25mm port Knowles MM20-33366-000 MM20-33366-000 Knowles 1: $13.38 1,398In Stock 1,400Expected 11/13/2026	Mfr. Part # MM20-33366-000 Mouser Part # 721-MM20-33366-000	Knowles	MEMS Microphones 71dB 1.3mm Height 0.25mm port	Datasheet	1,398In Stock 1,400Expected 11/13/2026	$13.38 $10.28 $9.31 $8.65 View $8.03 $7.48 $7.02 $6.83 Quote	Min.: 1 Mult.: 1
	Board Mount Motion & Position Sensors 7.92 X 5.59 X 4.14MM -39, 20hz to 10Khz BU-23173-000 Knowles 1: $80.13 1In Stock 400On Order	Mfr. Part # BU-23173-000 Mouser Part # 721-BU-23173-000	Knowles	Board Mount Motion & Position Sensors 7.92 X 5.59 X 4.14MM -39, 20hz to 10Khz	Datasheet	1In Stock 400On Order On Order Ship Dates Mfr. #: BU-23173-000 Stock: 1 Can Ship Immediately On Order: 200 Expected 10/23/2026 200 Expected 10/30/2026 Factory Lead-Time: 9 Weeks	$80.13 $74.02 $71.75 $69.02 View $66.26 $64.58 $64.57 Quote	Min.: 1 Mult.: 1