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ABS Material Electromagnetic Buzzer 1.5V / 5V Internal Drive For Alarm Medical Equipments

WS-1275DB

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Description

Electromagnetic Buzzer Black 1.5V / 3V / 5V , Size D12xH7.5mm / Internal Drive With Circuit with high quality
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We also can make uncommon product per customers requirements.
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Typical Specificatons: ?
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SPECIFICATION |
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Type | Unit | 1275D01YB | 1275D03YB | 1275D05YB | 1275D12YB |
Rated Voltage | V(DC) | 1.5 | 3 | 5 | 12 |
Operating Voltage | V(DC) | 1.2-3 | 2-5 | 4-7 | 8-15 |
Rated Current(max) | mA | 25 | 30 | 30 | 30 |
Sound Output at 10cm | dB | 80 | 85 | 85 | 85 |
Rated Frequency | Hz | 2300±300 |
Operating Temperature | C | -30~+70 |
Storage Temperature | C | -40~+85 |
Housing material | NORYL |
weight | g | 2.0 |
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Pin | L1=4.5±0.5,L2=6.5±0.5,Φ=0.6±0.1mm |
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Features:
* Small Size
* Highly efficient
* Shot lead time & Low Price.
* Rated Voltage: 1.5V/3V/5V/12V
* Max Rated Current: 8mA
* Sound Output at 30cmt: 80~85dB

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Drawing:

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Electrical And Acoustical Measuring Condition
# # Recommended Setting




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? ? ? ?2. Recommended Test Circuit

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# # Reliability Test After any following tests the part shall meet specifications without any degradation in appearance and performance except SPL. SPL shall not deviate more than -10 dB from the initial value # # Ordinary Temperature Life Test The part shall be subjected to 96 hours at 25±10℃. Input rated voltage Resonant frequency, 1/2 duty Square wave. # # High Temperature Test The part shall be capable of with standing a storage temperature of +85℃ for 96 hours. # # Low Temperature Test The part shall be capable of with standing a storage temperature of --40℃ for 96 hours. # # Humidity Test Temperature:+40℃±3℃ Relative Humidity:90%～95% Duration: 48 hours and expose to room temperature for 6 hours # # Temperature Shock Test Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle) Total cycle: 10 cycles # # Drop Test Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick, three sides, six plain.) # # Vibration Test Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes Note: As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. The functional degradation (e.g. SPL down) may occur if foreign material enter it. |
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Applications:
* Children& acute;s toys
* Alarm Medical equipments
* Telecommunication
* Security
* Household appliances
* Audio and Video Products
* Etc.......
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Payment and Shipping:
1, Lead time about 3~5 days.
2, Payment: T/T; Western union; Paypal .
3, Shipping: by DHL, Fedex, TNT, UPS, EMS ect

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