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Help Center2014 Hot Sell 9V Door Alarm Buzzer(ROHS APPROVED)
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Specifications
1. 9V door alarm buzzer2.Sell fast for all over the world.
3.good quality and competitive price
2014 hot sell 9V door alarm buzzer :
Operating Voltage range:2.0 ~ 5.0 V/DC
Rated Voltage:3V/DC
Sound Pressure level:Min.80 dB
Rated current:Max 30mA
Frequency of output Signal:2400± 400Hz
Operating Temp:-30°C~70 °C
Storage Temp:-40°C~80 °C
Dimension:9*5.5mm
Environmental Protection Regulation:RoHS
OUTLINE DRAWING:
Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the
measuring instruments shown below
In the measuring test, buzzer is placed as follows:
NO. |
ITEM |
TEST CONDITION AND REQUIREMENT |
1 |
High Temperature Test (Storage) |
After being placed in a chamber with70±2ºC for 48 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. |
2 |
Low Temperature Test (Storage) |
After being Placed in a chamber with -20±2ºC for 48hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. |
3 |
Humidity Test |
After being Placed in a chamber with 90-95% R.H. at 40±2ºC for 48 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. |
4 |
Temperature Cycle Test |
The part shall be subjected to 5 cycles. One cycle shall be consist of:
Allowable variation of SPL after test: ±10dB. |
5 |
Vibration Test |
After being applied vibration of amplitude of 1.5mmwith 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 1 hours . Allowable variation of SPL after test: ±10dB. |
6 |
Solderability Test |
Lead terminals are immersed in rosin for 3 seconds and then immersed in solder bath of +260ºC for 3 seconds . 90% min. lead terminals shall be wet with solder (Except the edge of terminals). |
7 |
Terminal Strength Pulling Test |
The force of 5N is applied to each terminal in axial direction for 5 seconds. No visible damage and cutting off. |
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