ningbo yinzhou yinfeng electronic co.Ltd

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1. Window and door alarm

Item No YFTH-111
Voltage: 4.5V
Max. current :90mA
Sound more than 90dB

2. telephone receiver

Sensitivity Range 96+-2dB/60mV at 1KHz
Impedance 150Ω±20%/100mV at 1kHz
Frequency 300-3400Hz
Rated power 10mW
Max power 30mW
Distortion 300Hz~3400Hz，THD<5%
Axial Direction:≥-19dB 1kHz 0 dB 1A/M
Radial Direction:≥-27dB 1kHz ...

3. D23 H 9.8mm 12V piezo buzzer

Type
YFP-2398SP
Min.Sound Pressure Level (db)
85/12V/30cm
Rated Voltage(Vdc)
3~24
Resonant Frequency(Hz)
3500±500
Rated Current(mA)
12/12Vdc
Tone Nature
Continuous
Operating Temperature (℃)
-20~+75
Weight(g)
...

4. MAGNETIC BUZZER

Type
4118SB06
4118SB12
4118SB24
Rated Voltage(V)
06
12
24
Sound Output at 30cm(dB)
≥70

Max Rated Current(mA)
33
23
21

Operating Voltage(V)
4~8
7~16
20~28
Generated Frequency(Hz)
400±100
Operating ...

5. 1.5V 3V 6V 9V 12V 24V magnetic buzzer

Rated Voltage(V)
1.5
3
6
9
12
Current( mA)
≤20
≤20
≤25
≤25
≤30
≤30

24
Operating Voltage(V)
1~3
2~4
4~8
6~12
9~15
15~27
Sound Output at 30cm(dB)
≥70
≥70
≥70
≥75
≥75
...

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