3V SMD Magnetic / Electromagnetic Buzzer L5.0XW5.0XH2.5mm External Drive / Without Circuit

Features:
* Operating Voltage: 2~4v
* Coil Resistance : 12 ± 3Ω
* Sound Output : min 75dB

* Small Size
* Highly efficient
* Shot lead time & Low Price.

Applications:
* Children's toys
* Alarm Medical equipments
* Telecommunication
* Security
* Household appliances
* Audio and Video Products

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

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.

1. High Temperature Test

The part shall be capable of with standing a storage temperature of +85℃ for 96 hours.

1. Low Temperature Test

The part shall be capable of with standing a storage temperature of ­-40℃ for 96 hours.

1. Humidity Test

Temperature:+40℃±3℃ Relative Humidity:90%～95% Duration: 48 hours

and expose to room temperature for 6 hours

1. Temperature Shock Test

Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)

Total cycle: 10 cycles

1. Drop Test

Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick,

three sides, six plain.)

1. 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.

Electrical And Acoustical Measuring Condition

1. Recommended Setting

2. Recommended Test Circuit

Winsun Technology,located in Shenzhen, belongs to Hong Kong winsun group company, is the top professional Electronic Component manufacturer. The founder of Shenzhen manufactory has about 20 years experience in Electronic Components. We have 20000sqm capacitor and inductor workshop, 300 workers, automatic production line, Daily capacity of capacitor and inductor is about 10000k pcs. we are also the agent of world-renowned brands of electronic components.

Our product have passed ISO9001:2008, ROHS, 3C, CE quality authentication, which ensure our products keeping steps with the international quality. We will provide our clients with high cost-performance ration products. We can make un-common product per customers requirements. Our main marketing is America, Canada, brazil, Australia, Iran, Ukraine etc.

Your need is our mission. We firmly believe the high quality of service and support are the keys to keep long business relationship with you. Welcome to visit our factory!