Earthwork Products
3V 5V Electromagnetic Buzzer D9.5 X 5.0 mm Electric Door Buzzer For Security
WS-9550DYB
Description
3V 5V Low price?Electromagnetic Buzzer with??Size D9.5xH5.0mm Internal Drive With Circuit high stability
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We also can make customizd products ? ? 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 ? 1. 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. ? 2. High Temperature Test The part shall be capable of with standing a storage temperature of +85℃ for 96 hours. ? 3. Low Temperature Test The part shall be capable of with standing a storage temperature of --40℃ for 96 hours. ? 4. Humidity Test Temperature:+40℃±3℃ Relative Humidity:90%～95% Duration: 48 hours and expose to room temperature for 6 hours ? 5. Temperature Shock Test Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle) Total cycle: 10 cycles ? 6. Drop Test Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick, three sides, six plain.) ? 7. Vibration Test Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes
Typical Specificatons:
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Type | Unit | WS-9550DYB03X | WS-9550DYB05X |
Rated Voltage | V(DC) | 3 | 5 |
Operating Voltage | V(DC) | 2-5 | 4-7 |
Rated Current(max) | mA | 30 |
Sound Output at 10cm | dB | 80 |
Rated Frequency | Hz | 2700±200 |
Lead pin material | ? | Red Copper |
Operating Temperature | C | -30~+70 |
Storage Temperature | C | -40~+85 |
Housing material | NORYL |
weight | g | 2.0 |
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Applications:
* Children& acute;s toys
* Alarm Medical equipments
* Telecommunication
* Security
* Household appliances
* Audio and Video Products
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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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Drawing size:
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Recommond Driving Circuit:
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Recommoned Setting:
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Shenzhen Winsun Technology Co., Ltd.
Fixed Inductor,SMD Power Inductor,Wire Wound Inductor
Address: 311EF, B Buliding, Zhengzhong Time Square, Longgang District,
Shenzhen, Guangdong
China, 518000
Tel: 86-135-28847020
Fax: 86-755-27907376
