Sounder

Buzzers, indicators, alarms, sirens

TFM-25F

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 2 Rated frequency ± 0.5 kHz
Voltage V 3 peak to peak voltage of square wave
Peak voltage allowed V 25
Current mA 3
Input Capacitance nF 28 ± 30% measured at 120 Hz
Temperature ºC -20 70
Width mm 17 Case:PA6/Black
Height mm 8
Weight g 1.3
Termination pin


TFM-26

Characteristic Min Typical Max Notes
Type Piezo
Excitation Internal Driven Tone: Continuous
Sound Pressure Level dB at 30cm 95.5 Measured 85 dB at 12V-DC & 100cm
Frequency kHz 2.9 3.2 3.5 Rated frequency ± 0.3
Voltage V 12 DC
Current mA 20 12V DC
Temperature ºC -20 70
Width mm 40
Height mm 14
Termination pin


TFM-27DA

Characteristic Min Typical Max Notes
Type Piezo
Excitation External Driven Tone: Square Wave
Sound Pressure Level dB at 30cm 75.46 Measured 85 dB at 10cm
Frequency kHz 3.6 Rated frequency ± 0.5 kHz
Voltage V 9 peak to peak voltage of square wave
Peak voltage allowed V 40
Current mA 2.5
Input Capacitance nF 25 ± 30% measured at 120 Hz
Temperature ºC -20 70
Width mm 30.5 Case:PC/Black
Height mm 9
Weight g 5.5
Termination pin


TFM-27DM

Characteristic Min Typical Max Notes
Type Piezo
Excitation External Driven Tone: Continuous
Sound Pressure Level dB at 30cm 74.5 Measured 84 dB at 1.067kHz & 9V-p-p Square Wave & 10cm AND 79 dB at 1.333kHz & 9V-p-p Square Wave & 10cm
Frequency kHz 0.5 1 1.5 Rated frequency ±0.5
Voltage V 9 40 p-p Square Wave
Current mA 10 Square Wave 1.333kHz ; 9V p-p
Temperature ºC -20 70
Width mm 30.5
Height mm 9
Termination pin Pin separation: 20.00mm


TFM-27DN

Characteristic Min Typical Max Notes
Type Piezo
Excitation External Driven Tone: Square Wave
Sound Pressure Level dB at 30cm 75.46 Measured 85 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 40
Current mA 3.5
Input Capacitance nF 25 ± 30% measured at 120 Hz
Temperature ºC -20 70
Width mm 30.5 Case:PC/Black
Height mm 9
Weight g 5.5
Termination pin


TFM-27DT

Characteristic Min Typical Max Notes
Type Piezo
Excitation External Driven Tone: Square Wave
Sound Pressure Level dB at 30cm 75.46 Measured 85 dB at 10cm
Frequency kHz 2 Rated frequency ± 0.5 kHz
Voltage V 9 peak to peak voltage of square wave
Peak voltage allowed V 40
Current mA 5
Input Capacitance nF 45 ± 30% measured at 120 Hz
Temperature ºC -20 70
Width mm 30.5 Case:PC/Black
Height mm 9
Weight g 5.5
Termination pin


TFM-29

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 4 Rated frequency ± 0.5 kHz
Voltage V 3 peak to peak voltage of square wave
Peak voltage allowed V 40
Current mA 4
Input Capacitance nF 17 ± 30% measured at 120 Hz
Temperature ºC -20 70
Width mm 24 Case:PC/Black
Height mm 7.5
Weight g 3.7
Termination pin


TFM-31

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 1.3 Rated frequency ± 0.5 kHz
Voltage V 12 peak to peak voltage of square wave
Peak voltage allowed V 40
Current mA 9
Input Capacitance nF 45 ± 30% measured at 120 Hz
Temperature ºC -20 70
Width mm 35 Case:ABS/Black
Height mm 3.3
Weight g 2
Termination lead wire


TFM-32

Characteristic Min Typical Max Notes
Type Piezo
Excitation Internal Driven Tone: Continuous
Sound Pressure Level dB at 30cm 80.5 Measured 90 dB at 10V-DC & 10cm
Frequency kHz 2.9 3.5 4.1 Rated frequency ± 0.5
Voltage V 10 DC
Current mA 15 10V DC
Temperature ºC -20 70
Width mm 24
Height mm 11
Termination pin


TFM-33

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:ABS/Black
Height mm 7.5
Weight g 4.5
Termination pin


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