Sounder

Buzzers, indicators, alarms, sirens

TFM-33N

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	80.46			Measured 90 dB at 10cm
Frequency kHz		3		Rated frequency ± 0.5 kHz
Voltage V		10		peak to peak voltage of square wave
Peak voltage allowed V			30
Current mA			3
Input Capacitance nF		20		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		29.6		Case:PA6/Black
Height mm		7.5
Weight g		4.5
Termination		pin

TFM-35

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	65.5			Measured 75 dB at 3.2kHz & 3V-p-p Square Wave & 10cm
Frequency kHz	2.7	3.2	3.7	Rated frequency ± 0.5
Voltage V		3	30	p-p Square Wave
Current mA			3	Square Wave 3.2kHz ; 3V p-p
Temperature ºC	-20		70
Width mm		34.5
Height mm		7
Termination		pin		Pin separation: 6.00mm

TFM-36

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		Internal Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	96.5			Measured 106 dB at 12V-DC & 10cm
Frequency kHz	2.9	3.2	3.5	Rated frequency ± 0.3
Voltage V		12		DC
Current mA			15	12V DC
Temperature ºC	-20		60
Width mm		39
Height mm		16
Termination		pin

TFM-37

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		1.3		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			40
Current mA			3
Input Capacitance nF		45		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		33		Case:PC/Black
Height mm		14
Weight g		5.8
Termination		pin

TFM-43

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		4.5		Rated frequency ± 0.5 kHz
Voltage V		15		peak to peak voltage of square wave
Peak voltage allowed V			40
Current mA			6
Input Capacitance nF		13		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		22		Case:Grass/Black
Height mm		10.4
Weight g		2.5
Termination		lead wire

TFM-45

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	85			Measured 85 dB at 30cm
Frequency kHz		1.2		Rated frequency ± 0.5 kHz
Voltage V		12		peak to peak voltage of square wave
Peak voltage allowed V			40
Current mA			3
Input Capacitance nF		66		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		45.3		Case:ABS/Black
Height mm		4.2
Weight g		5.5
Termination		lead wire

TFM-45C

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Square Wave
Sound Pressure Level dB at 30cm	85			Measured 85 dB at 30cm
Frequency kHz		1.2		Rated frequency ± 0.5 kHz
Voltage V		12		peak to peak voltage of square wave
Peak voltage allowed V			40
Current mA			3
Input Capacitance nF		66		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		45.3		Case:UL1095-28AWG
Height mm		4.2
Weight g		5.5
Termination		lead wire

TFM-47

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		2.5		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			40
Current mA			3
Input Capacitance nF		44		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		30		Case:ABS/Black
Height mm		16.5
Weight g		4.5
Termination		lead wire

TFM-51

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		4.1		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			30
Current mA			3
Input Capacitance nF		12		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		22		Case:PA66/Black
Height mm		8.1
Weight g		2.4
Termination		pin

TFM-51A

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		4.1		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			30
Current mA			3
Input Capacitance nF		12		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		22		Case:PA66/Black
Height mm		8.1
Weight g		2.4
Termination		pin

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