M014
Electret microphone with comparator circuit for sound detection. Power ON and sound detected LED indicators. Digital and analogue outputs....
£1.22
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ST006
Transducer without internal driving circuit. 120mm (approx) flying leads. 23mm diam. 5mm height. 4kHz resonant freq. 28Vpp max driving signal...
£0.88
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ST007
66mm diameter, 18mm deep, 500mW power handling. Paper cone and solder tag connections.
£1.30
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ST010
2.5V to 10V. 9.8mm x 7mm. With PCB pins.
£0.86
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ST013
PKM13EPYH4002. 4kHz resonant frequency, 12.6mm diam. PCB mount. Example code for using the transducer with an Arduino Uno is given here.
£0.50
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ST016
Built-in oscillator circuit - continuous tone. Operating voltage: 3-30Vdc. Frequency 2.7kHz Output 90dB@12V Diameter 31.5mm - Height 13.5mm Sound...
£1.57
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ST045
2048Hz resonant frequency, 12mm diam. 8.5mm height. PCB mount - 6.5mm pin pitch., 5V peak,
£0.29
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ST059
16mm diameter 1W 8-ohm speaker with 25mm flying leads. Foam surround with adhesive for sticking to a panel.
£1.88
... more info Sold Out
ST060
20mm diameter 1.5W 8-ohm miniature mylar speaker.
£2.36
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ST063
Foam edged paper cone with chrome hf dome. 78mm diameter, 10W rms, 8-ohm, 120Hz-16kHz. Resonant freq. 120Hz, Sens. 88dBV/Pa, wt 0.4kg
£7.94
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ST064
Weatherproof Mylar cone with chrome hf dome. 102mm diameter, 15W rms, 8-ohm, 210Hz-7kHz. Resonant freq. 210Hz, Sens. 98dBV/Pa, wt 0.568kg 4.8mm...
£9.37
... more info Sold Out
ST072
50mm diameter, 15mm deep, 500mW power handling. Paper cone.
£1.19
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ST075
Piezo element, 20mm diameter, fitted with 90mm red and black flying leads. 6kHz resonant frequency, 250 Ohm resonant impedance, 14nF capacitance.
£0.38
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ST076
Piezo element, 27mm diameter, fitted with 90mm red and black flying leads. 4kHz resonant frequency, 3000 Ohm resonant impedance, 25nF capacitance.
£0.44
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ST077
Built-in oscillator circuit - continuous tone. Operating voltage: 3-24Vdc. Diameter 30mm - Height 15mm Fixing holes 3.3mm diameter on 40mm centres....
£1.24
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ST078
Built-in oscillator circuit - intermittent tone. Operating voltage: 3-24Vdc. Diameter 30mm - Height 15mm Fixing holes 3.3mm diameter on 40mm centres....
£0.99
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ST083
Piezo element, 32mm diameter, fitted with 90mm red and black flying leads. 3kHz resonant frequency, 500 Ohm resonant impedance, 35nF capacitance.
£0.52
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