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AST SMT Transducers

Mallory Sonalert AST SMT Transducers offer a 73dBA to 90dBA sound pressure range, up to 6000Hz frequency, and a 1.5V to 12V voltage range. AST series transducers feature a 73dBA to 90dBA sound pressure level range, 110mA maximum current rating, and a diameter of up to 17.5mm. Mallory Sonalert AST SMT Transducers are RoHS compliant.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Sound Pressure Level	Frequency	Voltage Rating	Current Rating	Termination Style	Mounting Style	Diameter	Dimensions
Buzzers & Audio Indicators - Board Mount PB-0927MW-3.6Q 1000 PCS T&R ROHS STK $ AST0927MW-3.6TRQ Mallory Sonalert 1: 1,91 € 1 872In Stock 2 000Expected 11/4/2026	Mfr. Part No. AST0927MW-3.6TRQ Mouser Part No 539-AST0927MW-3.6TRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-0927MW-3.6Q 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 872In Stock 2 000Expected 11/4/2026	Cut Tape 1,91 € 1,45 € 1,31 € 1,21 € View Reel 0,886 € 1,12 € 1,01 € 0,955 € 0,886 €	Min.: 1 Mult.: 1 : 1 000	Transducers	Electromagnetic	85 dB	2.73 kHz	3.6 V	90 mA	Gullwing Lead	SMD/SMT		9 mm x 10.5 mm x 3.2 mm
Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4KHZ, 75DB, 16X16X3 AST1628MATRQ Mallory Sonalert 1: 3,10 € 1 358In Stock	Mfr. Part No. AST1628MATRQ Mouser Part No 539-AST1628MATRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4KHZ, 75DB, 16X16X3 Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 358In Stock	Cut Tape 3,10 € 2,25 € 2,00 € 1,77 € View Reel 1,34 € 1,69 € 1,55 € 1,40 € 1,34 € MouseReel Available	Min.: 1 Mult.: 1 : 800	Transducers	External Drive Piezoelectric	75 dB	4 kHz	3 V	5 mA	Gullwing Lead	SMD/SMT		16 mm x 16 mm x 3 mm
Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, SMT 4KHZ, REEL, 18X5MM AST100TRQ Mallory Sonalert 1: 3,10 € 345In Stock	Mfr. Part No. AST100TRQ Mouser Part No 539-AST100TRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, PIEZO, SMT 4KHZ, REEL, 18X5MM Learn More about Mallory Sonalert ast smt transducers	Datasheet	345In Stock	Cut Tape 3,10 € 2,86 € Reel 1,32 € 1,24 € MouseReel Available	Min.: 1 Mult.: 1 : 500	Transducers	External Drive Piezoelectric	80 dB	4 kHz	5 V	1.5 mA	Gullwing Lead	SMD/SMT	17.5 mm	17.5 mm x 5 mm
Buzzers & Audio Indicators - Board Mount PB-0827MW-03BQ 1000 PCS T&R ROHS STK $ AST0827MW-03BTRQ Mallory Sonalert 1: 1,71 € 1 293In Stock	Mfr. Part No. AST0827MW-03BTRQ Mouser Part No 539-AST0827MW-03BTRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-0827MW-03BQ 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 293In Stock	Cut Tape 1,71 € 1,30 € 1,17 € 1,08 € View Reel 0,712 € 1,01 € 0,912 € 0,823 € 0,712 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Transducers	Electromagnetic	80 dB	2.7 kHz	3 V	100 mA	Solder Pad	SMD/SMT		8.5 mm x 8.5 mm x 3 mm
Buzzers & Audio Indicators - Board Mount PB-1027MW-03Q 800 PCS T&R ROHS STK $ AST1027MW-03TRQ Mallory Sonalert 1: 2,60 € 1 147In Stock	Mfr. Part No. AST1027MW-03TRQ Mouser Part No 539-AST1027MW-03TRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-1027MW-03Q 800 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 147In Stock	Cut Tape 2,60 € 1,98 € 1,78 € 1,65 € View Reel 1,26 € 1,53 € 1,39 € 1,26 € 1,26 €	Min.: 1 Mult.: 1 : 800	Transducers	Electromagnetic	87 dB	2.7 kHz	3 V	80 mA	Solder Pad	SMD/SMT		10 mm x 10 mm x 3.2 mm
Buzzers & Audio Indicators - Board Mount PB-0540MW-03Q 1000 PCS T&R ROHS STK $ AST0540MW-03TRQ Mallory Sonalert 1: 2,67 € 1 437In Stock	Mfr. Part No. AST0540MW-03TRQ Mouser Part No 539-AST0540MW-03TRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-0540MW-03Q 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 437In Stock	Cut Tape 2,67 € 2,04 € 1,84 € 1,66 € View Reel 1,46 € 1,57 € 1,46 € 1,46 €	Min.: 1 Mult.: 1 : 1 000	Transducers	Electromagnetic	75 dB	4 kHz	3 V	110 mA	Solder Pad	SMD/SMT		5 mm x 5 mm x 1.9 mm
Buzzers & Audio Indicators - Board Mount PB-0540MW-3.6Q 1000 PCS T&R ROHS STK $ AST0540MW-3.6TRQ Mallory Sonalert 1: 2,72 € 1 864In Stock	Mfr. Part No. AST0540MW-3.6TRQ Mouser Part No 539-AST0540MW-3.6TRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-0540MW-3.6Q 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 864In Stock	Cut Tape 2,72 € 2,07 € 1,87 € 1,73 € View Reel 1,46 € 1,61 € 1,46 € 1,46 €	Min.: 1 Mult.: 1 : 1 000	Transducers	Electromagnetic	80 dB	4 kHz	3.6 V	110 mA	Solder Pad	SMD/SMT		5 mm x 5 mm x 3 mm
Buzzers & Audio Indicators - Board Mount PB-0760MCQ 1000 PCS T&R ROHS STK $ AST0760MCTRQ Mallory Sonalert 1: 2,66 € 1 450In Stock	Mfr. Part No. AST0760MCTRQ Mouser Part No 539-AST0760MCTRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-0760MCQ 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 450In Stock	Cut Tape 2,66 € 2,02 € 1,82 € 1,69 € View Reel 1,43 € 1,57 € 1,43 € 1,43 €	Min.: 1 Mult.: 1 : 1 000	Transducers	Piezoelectric	74 dB	6 kHz	3 V	6 mA	Solder Pad	SMD/SMT		7.5 mm x 7.5 mm x 2 mm
Buzzers & Audio Indicators - Board Mount PB-0927MW-03Q 1000 PCS T&R ROHS STK $ AST0927MW-03TRQ Mallory Sonalert 1: 1,87 € 3 395In Stock	Mfr. Part No. AST0927MW-03TRQ Mouser Part No 539-AST0927MW-03TRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-0927MW-03Q 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	3 395In Stock	Cut Tape 1,87 € 1,43 € 1,28 € 1,19 € View Reel 0,98 € 1,10 € 0,998 € 0,98 € 0,98 €	Min.: 1 Mult.: 1 : 1 000	Transducers	Electromagnetic	90 dB	2.7 kHz	3 V	90 mA	Gullwing Lead	SMD/SMT		9 mm x 10.5 mm x 2.5 mm
Buzzers & Audio Indicators - Board Mount PT-0940MCQ 1000 PCS T&R ROHS STK $ AST0940MCTRQ Mallory Sonalert 1: 2,41 € 1 433In Stock	Mfr. Part No. AST0940MCTRQ Mouser Part No 539-AST0940MCTRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PT-0940MCQ 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 433In Stock	Cut Tape 2,41 € 1,79 € 1,64 € 1,42 € Reel 1,16 € View 1,33 € 1,26 € 1,18 € 1,07 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Transducers	External Drive Piezoelectric	78 dB	4 kHz	3 V	5 mA	Solder Pad	SMD/SMT		9.5 mm x 9 mm x 1.9 mm
Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4KHZ, 75DB, 12X12X3 AST1240MLTRQ Mallory Sonalert 1: 2,35 € 5 124In Stock	Mfr. Part No. AST1240MLTRQ Mouser Part No 539-AST1240MLTRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4KHZ, 75DB, 12X12X3 Learn More about Mallory Sonalert ast smt transducers	Datasheet	5 124In Stock	Cut Tape 2,35 € 1,79 € 1,61 € 1,49 € View Reel 1,32 € 1,36 € 1,32 € 1,32 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Transducers	External Drive Piezoelectric	75 dB	4 kHz	3 V	5 mA	Solder Pad	SMD/SMT		12 mm x 12 mm x 3 mm
Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 2.7KHZ, 7.5X7.5X2.5 AST7525MATRQ Mallory Sonalert 1: 2,67 € 2 528In Stock	Mfr. Part No. AST7525MATRQ Mouser Part No 539-AST7525MATRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 2.7KHZ, 7.5X7.5X2.5 Learn More about Mallory Sonalert ast smt transducers	Datasheet	2 528In Stock	Cut Tape 2,67 € 2,05 € 1,84 € 1,64 € 1,57 € Reel 1,57 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Transducers	Electromagnetic	85 dB	2.7 kHz	3.6 V	100 mA	Solder Pad	SMD/SMT		7.5 mm x 7.5 mm x 2.5 mm
Buzzers & Audio Indicators - Board Mount AST0540MW-03Q CUT TAPE ROHS STK $ AST0540MW-03Q Mallory Sonalert 1: 3,39 € 51In Stock	Mfr. Part No. AST0540MW-03Q Mouser Part No 539-AST0540MW-03Q	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount AST0540MW-03Q CUT TAPE ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	51In Stock	3,39 € 2,57 € 2,18 € 1,94 € View 1,80 € 1,71 € 1,54 € 1,42 € 1,41 €	Min.: 1 Mult.: 1	Transducers	Electromagnetic	75 dB	4 kHz	3 V	110 mA	Solder Pad	SMD/SMT		5 mm x 5 mm x 1.9 mm
Buzzers & Audio Indicators - Board Mount AST0540MW-3.6Q CUT TAPE ROHS STK $ AST0540MW-3.6Q Mallory Sonalert 1: 3,26 € 78In Stock	Mfr. Part No. AST0540MW-3.6Q Mouser Part No 539-AST0540MW-3.6Q	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount AST0540MW-3.6Q CUT TAPE ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	78In Stock	3,26 € 2,68 € 2,52 € 1,96 € View 1,87 € 1,66 € 1,54 €	Min.: 1 Mult.: 1	Transducers	Electromagnetic	80 dB	4 kHz	3.6 V	110 mA	Solder Pad	SMD/SMT		5 mm x 5 mm x 3 mm
Buzzers & Audio Indicators - Board Mount AST0760MCQ CUT TAPE ROHS STK $ AST0760MCQ Mallory Sonalert 1: 3,20 € 62In Stock	Mfr. Part No. AST0760MCQ Mouser Part No 539-AST0760MCQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount AST0760MCQ CUT TAPE ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	62In Stock	3,20 € 2,39 € 2,12 € 1,89 € View 1,75 € 1,64 € 1,50 €	Min.: 1 Mult.: 1	Transducers	Piezoelectric	74 dB	6 kHz	3 V	6 mA	Solder Pad	SMD/SMT		7.5 mm x 7.5 mm x 2 mm
Buzzers & Audio Indicators - Board Mount AST0827MW-03BQ CUT TAPE ROHS STK $ AST0827MW-03BQ Mallory Sonalert 1: 2,00 € 3In Stock	Mfr. Part No. AST0827MW-03BQ Mouser Part No 539-AST0827MW-03BQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount AST0827MW-03BQ CUT TAPE ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	3In Stock	2,00 € 1,56 € 1,38 € 1,19 € View 1,02 € 0,929 € 0,912 €	Min.: 1 Mult.: 1	Transducers	Electromagnetic	80 dB	2.7 kHz	3 V	100 mA	Solder Pad	SMD/SMT		8.5 mm x 8.5 mm x 3 mm
Buzzers & Audio Indicators - Board Mount PB-0827MW-03Q 1000 PCS T&R ROHS STK $ AST0827MW-03TRQ Mallory Sonalert 1: 1,81 € 1 382In Stock	Mfr. Part No. AST0827MW-03TRQ Mouser Part No 539-AST0827MW-03TRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-0827MW-03Q 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 382In Stock	Cut Tape 1,81 € 1,38 € 1,19 € 1,12 € Reel 0,783 € View 0,998 € 0,912 € 0,846 € 0,725 €	Min.: 1 Mult.: 1 : 1 000	Transducers	Electromagnetic	85 dB	2.731 kHz	3 V	80 mA	Solder Pad	SMD/SMT		8.5 mm x 8.5 mm x 3 mm
Buzzers & Audio Indicators - Board Mount AST0940MCQ CUT TAPE ROHS STK $ AST0940MCQ Mallory Sonalert 1: 3,01 € 85In Stock	Mfr. Part No. AST0940MCQ Mouser Part No 539-AST0940MCQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount AST0940MCQ CUT TAPE ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	85In Stock	3,01 € 2,76 € 2,71 € 1,63 € View 1,49 € 1,34 €	Min.: 1 Mult.: 1	Transducers	External Drive Piezoelectric	78 dB	4 kHz	3 V	5 mA	Solder Pad	SMD/SMT		9.5 mm x 9 mm x 1.9 mm
Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4.1KHZ, 73DB, 11X9X2 AST1109MLTRQ Mallory Sonalert 1: 3,21 € 401In Stock 3 000Expected 10/20/2026	Mfr. Part No. AST1109MLTRQ Mouser Part No 539-AST1109MLTRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4.1KHZ, 73DB, 11X9X2 Learn More about Mallory Sonalert ast smt transducers	Datasheet	401In Stock 3 000Expected 10/20/2026	Cut Tape 3,21 € 2,37 € 2,12 € 1,92 € View Reel 1,57 € 1,69 € 1,57 € 1,57 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Transducers	Piezoelectric	73 dB	4.1 kHz	5 V	1 mA	Solder Pad	SMD/SMT		11 mm x 9 mm x 1.7 mm
Buzzers & Audio Indicators - Board Mount XDUCR, CUT TAPE 4KHZ, 75DB, 12X12X3 AST1240MLQ Mallory Sonalert 1: 2,84 € 99In Stock	Mfr. Part No. AST1240MLQ Mouser Part No 539-AST1240MLQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, CUT TAPE 4KHZ, 75DB, 12X12X3 Learn More about Mallory Sonalert ast smt transducers	Datasheet	99In Stock	2,84 € 2,16 € 1,94 € 1,88 € View 1,67 € 1,51 € 1,41 € 1,40 €	Min.: 1 Mult.: 1	Transducers	External Drive Piezoelectric	75 dB	4 kHz	3 V	5 mA	Solder Pad	SMD/SMT		12 mm x 12 mm x 3 mm
Buzzers & Audio Indicators - Board Mount PB-1341MCQ 1000 PCS T&R ROHS STK $ AST1341MCTRQ Mallory Sonalert 1: 2,37 € 1 013In Stock	Mfr. Part No. AST1341MCTRQ Mouser Part No 539-AST1341MCTRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount PB-1341MCQ 1000 PCS T&R ROHS STK $ Learn More about Mallory Sonalert ast smt transducers	Datasheet	1 013In Stock	Cut Tape 2,37 € 1,81 € 1,63 € 1,51 € View Reel 1,28 € 1,39 € 1,28 € 1,28 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Transducers	Piezoelectric	90 dB	4.1 kHz	5 V	8 mA	Gullwing Lead	SMD/SMT		13 mm x 13 mm x 2.5 mm
Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4KHZ, 75DB, 14X15X5 AST1440MATRQ Mallory Sonalert 1: 2,83 € 616In Stock	Mfr. Part No. AST1440MATRQ Mouser Part No 539-AST1440MATRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 4KHZ, 75DB, 14X15X5 Learn More about Mallory Sonalert ast smt transducers	Datasheet	616In Stock	Cut Tape 2,83 € 2,16 € 1,95 € 1,81 € View Reel 1,43 € 1,68 € 1,52 € 1,43 €	Min.: 1 Mult.: 1 : 600	Transducers	External Drive Piezoelectric	75 dB	4 kHz	5 V	5 mA	Gullwing Lead	SMD/SMT		14.9 mm x 14.1 mm x 4.7 mm
Buzzers & Audio Indicators - Board Mount XDUCR, CUT TAPE 3650HZ, 85DB, 8MM H AST1575BMAQ Mallory Sonalert 1: 2,76 € 2In Stock	Mfr. Part No. AST1575BMAQ Mouser Part No 539-AST1575BMAQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, CUT TAPE 3650HZ, 85DB, 8MM H Learn More about Mallory Sonalert ast smt transducers	Datasheet	2In Stock	2,76 € 2,10 € 1,89 € 1,75 € View 1,63 € 1,47 € 1,35 €	Min.: 1 Mult.: 1	Transducers	External Drive Piezoelectric	85 dB	3.65 kHz	7 V	5 mA	Gullwing Lead	SMD/SMT		14.8 mm x 14.8 mm x 7.4 mm
Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 3650HZ, 85DB, 8MM H AST1575BMATRQ Mallory Sonalert 1: 2,72 € 68In Stock 300Expected 12/2/2026	Mfr. Part No. AST1575BMATRQ Mouser Part No 539-AST1575BMATRQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, SMT, REEL 3650HZ, 85DB, 8MM H Learn More about Mallory Sonalert ast smt transducers	Datasheet	68In Stock 300Expected 12/2/2026	2,72 € 2,01 € 1,80 € 1,63 € View 1,51 € 1,38 € 1,32 € 1,20 €	Min.: 1 Mult.: 1	Transducers	External Drive Piezoelectric	85 dB	3.65 kHz	7 V	5 mA	Gullwing Lead	SMD/SMT		15 mm x 15 mm x 7.5 mm
Buzzers & Audio Indicators - Board Mount XDUCR, CUT TAPE 4KHZ, 75DB, 16X16X3 AST1628MAQ Mallory Sonalert 1: 3,50 € 55In Stock	Mfr. Part No. AST1628MAQ Mouser Part No 539-AST1628MAQ	Mallory Sonalert	Buzzers & Audio Indicators - Board Mount XDUCR, CUT TAPE 4KHZ, 75DB, 16X16X3 Learn More about Mallory Sonalert ast smt transducers	Datasheet	55In Stock	3,50 € 3,04 € 1,97 € 1,87 € View 1,65 € 1,59 €	Min.: 1 Mult.: 1	Transducers	External Drive Piezoelectric	75 dB	4 kHz	3 V	5 mA	Gullwing Lead	SMD/SMT		16 mm x 16 mm x 3 mm