Sounder

Buzzers, indicators, alarms, sirens

TFM-19EB

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	70.46			Measured 80 dB at 10cm
Frequency kHz		1.45		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			40
Current mA			4
Input Capacitance nF		24		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		23		Case:PC/Black
Height mm		4.5
Weight g		2.3
Termination		lead wire

TFM-21

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	80			Measured 80 dB at 30cm
Frequency kHz		0.9		Rated frequency ± 0.5 kHz
Voltage V		12		peak to peak voltage of square wave
Peak voltage allowed V			40
Current mA			4
Input Capacitance nF		85		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		50		Case:ABS/Black
Height mm		9.5
Weight g		11
Termination		lead wire

TFM-23

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	70.46			Measured 80 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			25
Current mA			3
Input Capacitance nF		14		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		16.5		Case:PC/Black
Height mm		4
Weight g		1.2
Termination		lead wire

TFM-23A

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	70.46			Measured 80 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			25
Current mA			2.5
Input Capacitance nF		9.5		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		16.5		Case:ABS/Black
Height mm		4
Weight g		1.2
Termination		lead wire

TFM-23P

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	70.46			Measured 80 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			25
Current mA			2.5
Input Capacitance nF		14		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		16.8		Case:ABS/Black
Height mm		5
Weight g		1.3
Termination		lead wire

TFM-23T

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	62.46			Measured 72 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			25
Current mA			1.5
Input Capacitance nF		9.5		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		16.5		Case:ABS/Black
Height mm		4
Weight g		1.2
Termination		lead wire

TFM-24

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	85.5			Measured 75 dB at 12V-DC & 100cm
Frequency kHz	2.5	3	3.5	Rated frequency ± 0.5
Voltage V		12		DC
Current mA			16	12V DC
Temperature ºC	-20		70
Width mm		31
Height mm		11
Termination		pin

TFM-25

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	70.46			Measured 80 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			25
Current mA			1.5
Input Capacitance nF		9.5		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		16.8		Case:PC/Black
Height mm		7
Weight g		1.7
Termination		pin

TFM-25B

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	65.46			Measured 75 dB at 10cm
Frequency kHz		4		Rated frequency ± 0.5 kHz
Voltage V		3		peak to peak voltage of square wave
Peak voltage allowed V			25
Current mA			1
Input Capacitance nF		14		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		16.5		Case:PA6/Black
Height mm		7
Weight g		1.7
Termination		pin

TFM-25D

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	72.5			Measured 82 dB at 5.0kHz & 10V-p-p Square Wave & 10cm
Frequency kHz	4.5	5	5.5	Rated frequency ±0.5
Voltage V		10	25	p-p Square Wave
Current mA			6	Square Wave 5kHz ; 10V p-p
Temperature ºC	-20		70
Width mm		16.8
Height mm		8
Termination		pin		Pin separation: 11.00mm

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