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&sp;DCRIPTION&sp; 高分貝電磁無源貼片蜂鳴器3V D-050020頂發(fā) 福鼎描述
A. SCOPE&sp;
This specification appli magnetic buzzer,&sp;D-050020F-03040N
B. SPECIFICATION
| . | Item | Unit | Specification | Condition |
1 | Oscillation Frequency | Hz | 4000 | Vo-p=1/2duty , square wave |
2 | Operating Voltage | Vo-p | 2 ~ 4 | |
3 | Rated Voltage | Vo-p | 3 | |
4 | Current Consumption | mA | MAX. 110 | at Rated Voltage |
5 | Sound Prsure Level | dB | MIN. 75 | at 10cm at Rated Voltage |
6 | Coil Ristance | Ω | 12±3 | |
7 | Operating Temperature | ℃ | -20 ~ +70 | |
8 | Storage Temperature | ℃ | -30 ~ +80 | |
9 | Dimension | mm | 5.0 x 5.0 x H2.0 | See appearance drawing |
10 | Weight (MAX) | gram | 0.1 | |
11 | Housing Material | LCP( Black ) | ||
12 | Leading Pin | &sp;Tin Plated Br(Sn) | See appearance drawing | |
13 | Environmental&sp;&sp; | &sp;RoHS |
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C. APPEARANCE DRAWING&sp;&sp;
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Tol : ± 0.3&sp;&sp;&sp;&sp;&sp; Unit: mm
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D.TTING METHOD&sp;&sp;&sp;&sp;
Standard Measurement conditions
Temperature:25±2℃&sp; Humidity:45-65%
Acoustic Characteristics:
The oscillation frequency, current consumption and sound prsure are measured by the&sp;
measuring instruments shown below
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In the measuring tt, buzzer is placed as follows:
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E. Tical Frequency Rponse Curve
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F.&sp;Recommend Driving Circuit&sp;
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The base current Ib should high eugh so that it saturat the collector current of the transistor with the CB load.
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G.&sp;Soldering Condition
(1)Recommendable reflow soldering condition is as follows
(Reflow soldering is twice)
te:It is requted that reflow soldering should be executed after heat of product go down to rmal.
&sp;&sp;Heat ristant line
(Used when heat ristant reliability tt is performed)
(2)Manual soldering
&sp;&sp;&sp;Manual soldering temperature 350 ℃ within 5 sec.
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H.&sp;RELIABILITY&sp;TT
. | ITEM | TT CONDITION AND REQUIREMENT |
1 | High Temperature | After being placed in a chamber with 80 |
2 | Low Temperature | After being Placed in a chamber with -30 |
3 | Humidity Tt | After being Placed in a chamber with 90-95% R.H. at 40 |
4 | Temperature Cycle | The part shall be subjected to 5 cycl. One cycle shall be consist of: |
5 | Drop Tt | Drop on a hard wood board of 4cm thick, any directions ,6 tim, at the height of 75cm . |
6 | Vibration Tt | After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours . |
7 | Solderability | Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +300 |
8 | Terminal Strength | The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. |
TT CONDITION.&sp;
Standard Tt Condition&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp; :&sp;&sp;&sp;&sp;&sp; a) Temperature : +5 ~ +35℃&sp; b) Humidity : 45-85% &sp;&sp;&sp;&sp;&sp;&sp; c) Prsure : 860-1060mbar&sp;
Judgment Tt Condition&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp;&sp; :&sp;&sp;&sp;&sp;&sp; a) Temperature : +25 ± 2℃&sp;&sp; b) Humidity : 60-70%&sp;&sp;&sp;&sp;&sp;&sp;&sp; &sp;c) Prsure : 860-1060mbar
I. PACKING STANDARD
江陰市福鼎通訊器材有限公司成立于1994年，生產各類蜂鳴器，喇叭，咪頭產品。公司在蜂鳴器及訊響器件的領域已有20多年的經驗，擁有完整、科學的質量管理體系，以及的自動化設備。
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公司年產蜂鳴器過5000萬個，其中貼片蜂鳴器銷量過2000萬片，過一半的貼片蜂鳴器被廣泛應用于高端可穿戴設備及移動消費類電子中，在同行業(yè)。
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為了產品的質量和性，我們擁有專門的管理和強大的研發(fā)團隊。目前公司有將近20000平方米的現(xiàn)代化廠房，300多名員工，技術開發(fā)人員20多人。我們已經和來自香港、臺灣、日本、韓國、加拿大，美國以及其他的客戶建立長期的合作關系。
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