Sounder

TFM-71

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		2.8		Rated frequency ± 0.5 kHz
Voltage V		9		peak to peak voltage of square wave
Peak voltage allowed V			25
Current mA			7
Input Capacitance nF		24		± 30% measured at 120 Hz
Temperature ºC	-20		70
Width mm		23		Case:PC/Black
Height mm		10.4
Weight g		3
Termination		pin

TFM-73

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	73.5			Measured 83 dB at 4.8kHz & 10V-p-p Square Wave & 10cm
Frequency kHz	4.5	4.8	5.1	Rated frequency ±0.3
Voltage V		10	20	p-p Square Wave
Current mA			5	Square Wave 4.8kHz ; 10V p-p
Temperature ºC	-20		70
Width mm		13.8
Height mm		4
Termination		lead wire

TFM-75

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	78.5			Measured 88 dB at 2.5kHz & 9V-p-p Square Wave & 10cm
Frequency kHz	2	2.5	3	Rated frequency ±0.5
Voltage V		9	40	p-p Square Wave
Current mA			12	Square Wave 2.5kHz ; 9V p-p
Temperature ºC	-20		70
Width mm		23
Height mm		9.14
Termination		lead wire

TFM-75B

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	78.5			Measured 88 dB at 2.5kHz & 9V-p-p Square Wave & 10cm
Frequency kHz	2	2.5	3	Rated frequency ±0.5
Voltage V		9	40	p-p Square Wave
Current mA			12	Square Wave 2.5kHz ; 9V p-p
Temperature ºC	-20		70
Width mm		23
Height mm		9.14
Termination		lead wire

TFM-79

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	60.5			Measured 70 dB at 2kHz & 5V-p-p Square Wave & 10cm
Frequency kHz	1.5	2	2.5	Rated frequency ±0.5
Voltage V		5	30	p-p Square Wave
Current mA			4	Square Wave 2.0kHz ; 5V p-p
Temperature ºC	-30		70
Width mm		14
Height mm		10.5
Termination		pin		Pin separation: 5.00mm

TFM-81

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	65.5			Measured 75 dB at 2.8kHz & 10V-p-p Square Wave & 10cm
Frequency kHz	2.3	2.8	3.3	Rated frequency ±0.5
Voltage V		10	30	p-p Square Wave
Current mA			4	Square Wave 2.8kHz ; 10V p-p
Temperature ºC	-30		95
Width mm		8
Height mm		9
Termination		pin		Pin separation: 5.00mm

TFM-83L3520

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	70.5			Measured 80 dB at 4.0kHz & 3V-p-p Square Wave & 10cm AND 70 dB at 1.33kHz & 3V-p-p Square Wave & 10cm
Frequency kHz	3.5	4	4.5	Rated frequency ±0.5
Voltage V		3	40	p-p Square Wave
Current mA			3.5	Square Wave 4.0kHz ; 3V p-p
Temperature ºC	-20		70
Width mm		23
Height mm		8.2
Termination		lead wire

W-03

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	94.44			Measured 90 dB at 50cm
Frequency kHz	5	27.5	50
Voltage V		2.83	10	RMS sine wave
Temperature ºC	-20		70
Width mm		50.8		Case:ABS/Black
Height mm		18.4
Weight g		7
Termination		solder tab

W-03A

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	99.44			Measured 95 dB at 50cm
Frequency kHz	5	27.5	50
Voltage V		2.83	10	RMS sine wave
Temperature ºC	-20		70
Width mm		51		Case:ABS/Black
Height mm		18.5
Weight g		7
Termination		solder tab

W-03B

Characteristic	Min	Typical	Max	Notes
Type		Piezo
Excitation		External Driven		Tone: Continuous
Sound Pressure Level dB at 30cm	99.44			Measured 95 dB at 50cm
Frequency kHz	5	27.5	50
Voltage V		2.83	10	RMS sine wave
Temperature ºC	-20		70
Width mm		51		Case:ABS/Black
Height mm		18.5
Weight g		7
Termination		solder tab

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