Sounder

Buzzers, indicators, alarms, sirens

EFM-260

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	85			Measured 85 dB at 30cm
Frequency kHz		3.5		Rated frequency ± 0.5 kHz
Voltage V	3	12	24	DC voltage
Current mA			12
Temperature ºC	-20		70
Width mm		23		Case:PC/Black
Height mm		9.8
Weight g		4.3
Termination		pin		Pin separation: 15.00mm

EFM-260A

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	85			Measured 85 dB at 30cm
Frequency kHz		3.5		Rated frequency ± 0.5 kHz
Voltage V	12	24	36	DC voltage
Current mA			12
Temperature ºC	-20		70
Width mm		23		Case:PC/Black
Height mm		9.8
Weight g		4.3
Termination		pin		Pin separation: 15.00mm

EFM-260BL

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	85			Measured 85 dB at 30cm
Frequency kHz		3.5		Rated frequency ± 0.5 kHz
Voltage V	3	12	24	DC voltage
Current mA			10
Temperature ºC	-20		70
Width mm		23		Case:PC/Black
Height mm		9.8
Weight g		3.5
Termination		lead wire

EFM-260R

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	80			Measured 80 dB at 30cm
Frequency kHz		3		Rated frequency ± 0.5 kHz
Voltage V	3	12	24	DC voltage
Current mA			15
Temperature ºC	-20		70
Width mm		24		Case:PC/Black
Height mm		10
Weight g		4.3
Termination		pin		Pin separation: 15.00mm

EFM-282

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	108			Measured 108 dB at 30cm
Frequency kHz		2.5		Rated frequency ± 0.5 kHz
Voltage V	5	12	13	DC voltage
Current mA			75
Temperature ºC	-20		70
Width mm		50		Case:ABS/Black
Height mm		29
Weight g		28
Termination		pin		Pin separation: 22.50mm

EFM-290EK

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	90			Measured 90 dB at 30cm
Frequency kHz		3.6		Rated frequency ± 0.5 kHz
Voltage V	7	9	12	peak to peak voltage of square wave
Current mA			10
Temperature ºC	-20		70
Width mm		40		Case:PC/Black
Height mm		9
Weight g		10.8
Termination		pin

EFM-290ES

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	105			Measured 85 dB at 300cm
Frequency kHz		3.6		Rated frequency ± 0.5 kHz
Voltage V	7	9	12	peak to peak voltage of square wave
Current mA			10
Temperature ºC	-20		70
Width mm		40		Case:Fire-resistance ABS/Black
Height mm		11
Weight g		10.9
Termination		pin

EFM-310

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Siren
Sound Pressure Level dB at 30cm	100			Measured 100 dB at 30cm
Voltage V	6	9	12	DC voltage
Current mA			120
Temperature ºC	-20		70
Width mm		42		Case:ABS/Black
Height mm		18
Weight g		20
Termination		lead wire

EFM-310A

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Siren
Sound Pressure Level dB at 30cm	100			Measured 100 dB at 30cm
Voltage V	6	12	15	DC voltage
Current mA			150
Temperature ºC	-20		70
Width mm		42		Case:ABS/Black
Height mm		18
Weight g		20
Termination		lead wire

EFM-310B

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Siren
Sound Pressure Level dB at 30cm	96			Measured 96 dB at 30cm
Voltage V	3	6	9	DC voltage
Current mA			80
Temperature ºC	-20		70
Width mm		42		Case:ABS/Black
Height mm		18
Weight g		20
Termination		lead wire

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