Sounder

Buzzers, indicators, alarms, sirens

SFM-1324S12

Characteristic	Min	Typical	Max	Notes
Type		Magnetic
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	80.46			Measured 90 dB at 10cm
Frequency kHz		2.4		Rated frequency ± 0.3 kHz
Voltage V	8	12	16	DC voltage
Current mA			20
Temperature ºC	-30		85
Width mm		12.8
Height mm		10
Weight g		2
Termination		surface mount

SFM-1435

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	70.46			Measured 80 dB at 10cm
Frequency kHz		3.5		Rated frequency ± 0.5 kHz
Voltage V		9	15	peak to peak voltage of square wave
Current mA			8
Width mm		14		Case:PPS/Black
Height mm		6
Weight g		1
Termination		surface mount

SFM-1440

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	65.46			Measured 75 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.3 kHz
Voltage V		5	20	peak to peak voltage of square wave
Current mA			2
Temperature ºC	-20		70
Width mm		14		Case:PPS/Black
Height mm		4.3
Weight g		1.1
Termination		surface mount

SFM-1443

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	78.46			Measured 88 dB at 10cm
Voltage V		10		peak to peak voltage of square wave
Temperature ºC	-20		85
Width mm		14.3		Case:PPS/Black
Height mm		10.6
Weight g		2.4
Termination		surface mount

SFM-1443S

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	72.46			Measured 82 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V	6	12	16	DC voltage
Current mA			8
Temperature ºC	-40		85
Width mm		14.3		Case:PPS/ Black
Height mm		9.8
Weight g		2
Termination		surface mount

SFM-1640

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	60.46			Measured 70 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V		53	20	peak to peak voltage of square wave
Current mA			3
Temperature ºC	-20		70
Width mm		16		Case:PPS/Black
Height mm		2.5
Weight g		0.9
Termination		surface mount

SFM-1640A

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	60.5			Measured 70 dB at 4.0kHz & 3V-P-P Square Wave & 10cm
Frequency kHz	3.5	4	4.5	Rated frequency ± 0.5
Voltage V		3	25	p-p Square Wave
Current mA			3	Square Wave 4.0kHz ; 3V p-p
Temperature ºC	-20		70
Width mm		16
Height mm		2.5
Termination		surface mount

SFM-1740

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	70.46			Measured 80 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.3 kHz
Voltage V		5	20	peak to peak voltage of square wave
Current mA			2.5
Temperature ºC	-20		85
Width mm		17		Case:PPS/Black
Height mm		5.3
Weight g		2.2
Termination		surface mount

SFM-1740S

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	75.46			Measured 85 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V	6	12	16	DC voltage
Current mA			8
Temperature ºC	-20		70
Width mm		17		Case:PPS/ Black
Height mm		7.6
Weight g		2
Termination		surface mount

SFM-1820

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	72.46			Measured 82 dB at 10cm
Frequency kHz		2		Rated frequency ± 0.5 kHz
Voltage V		3.6	25	peak to peak voltage of square wave
Current mA			8
Temperature ºC	-20		70
Width mm		18.4		Case:PPS/Black
Height mm		7.2
Weight g		1.7
Termination		surface mount

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