# Transducer, Piezo, Buzzer, Buzzer, 25 V, 4.5 mA, 68 dB

![Product image](https://novapart.co/image/farnell:2215051RL/)

**URL**: https://novapart.co/products/KMTG1102-A1/transducer-piezo-buzzer-25-v-45-ma-68-db
**SKU**: KMTG1102-A1
**Manufacturer**: KINGSTATE
**Category**: Sensors & Transducers || Transducers || Sensing Transducers || Piezo Transducers
**Price**: €1.6400
**Stock**: 1000+
**Lead Time**: 2 days (indicative)

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2215051RL/)

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SPECIFICATION FOR APPROVAL 2. 29) Jyr~ GS a 

Description : Piezo Audio Transducer Kingstate Part No. KNITG1102-A‘ Customer’s Model No. — : Specification No. POD-7273 Number Of The Edition : 1.3 

| | CUSTOMER'S APPROVED SIGNATURE : Se Ete R24] KINGSTATE ELECTRONICS CORP. | [imcrrare Addrass:10F, No. 69-11, Sec. 2, Chung Cheng E. Ra., Tamshui County, Taipei Hsien, Taiwan, R.O.C. | see eneee DomesticIntemational sales salesdept.: dept.: TEL:'886-2-2809-0668 TEL:886-2-2809-5651 FAX:886-2-28096748FAX:886-2-2809-7151 http://www. kingstate.corn.tw | | [4 ware : 04/09/09" | | We Ay, BE BE | 

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## **A. SCOPE** 範疇 

This specification applies piezo audio transducer, **KMTG1102-A1** 此規格書適用於壓電式蜂鳴器, **KMTG1102-A1** 

## **B. SPECIFICATION** 規格 

|**No.**|<br>**Item**|**Unit**|**Specification**|**Specification**|**Specification**|**Condition**|**Condition**|**Condition**|**Condition**|**Condition**|**Condition**|
|---|---|---|---|---|---|---|---|---|---|---|---|
|1|Operating Volt. Range<br>最大操作電壓|Vp-p|MAX 25|||||||||
|2|Current consumption|mA|MAX 4.5|||at 5Vp-p,square wave,4.1KHz.||||||
||消耗電流|||||||||||
|3|Sound pressure level<br>輸出音壓|dB|MIN 73|||at 10cm/5Vp-p,square wave,4.1KHz||||||
|4|Electrostatic capacity<br>靜電容量|pF|12,000 ± 30%|||||at 1KHz/1V||||
|5|Operating temp.<br>操作溫度|℃|-40 ~ +80|||||||||
|6|Storage temp.<br>儲存溫度|℃|-40 ~ +80|||||||||
|7|Dimension<br>尺寸|mm|L11.0 x W9.0 x H1.7|||||See appearance drawing<br>請參照外觀尺寸圖||||
|8|Weight (MAX)<br>重量|gram|0.50|||||||||
|9|Material<br>材質||LCP（White）|||||||||
|10|Terminal<br>端子||SMD type|||||See appearance drawing<br>請參照外觀尺寸圖||||
|11|Environmental Protection<br>Regulation<br>環保法規||RoHS|||||||||
|**C. A**<br>KI<br>KM<br><br>|**PPEARANCE DRAWING**外觀尺寸圖<br>Electrode<br>Land Pattern<br>Recommendable Land Pattern<br>KMTG1102-A1<br>年份<br>週期<br>07---2007<br>06---2006<br>01 第一週<br>02 第二週<br>Dimension<br>KINGSTATE<br>移印字樣<br>(黑色)<br>NGSTATE<br>TG1102-A1<br>STAMP<br>KINGSTATE<br>KMTG1102-A1<br>XX  XX<br>XX  XX|||||||||||
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## **C. APPEARANCE DRAWING** 外觀尺寸圖 

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Tol: ± 0.3<br>Unit: mm<br>**----- End of picture text -----**<br>


志豐電子股份有限公司 **KINGSTATE ELECTRONICS CORP  2/6  KMTG1102-A1** 

## **D. TYPICAL FREQUENCY RESPONSE CURVE** 頻率響應曲線 

## **E. MEASURING METHOD** 測量方法 

S.P.L. Measuring Circuit 音壓測試接線圖 Input Signal: 5Vp-p,4.1kHz, Square Wave 輸入信號: 5Vp-p,4.1kHz,方波 

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10cm<br>**----- End of picture text -----**<br>


Mic : RION S.P.L meter UC30 or equivalent Mic : RION 噪音計 UC30 或同等品 

S.G : Hewlett Packard 33120A Function Generator or equivalent 

S.G : Hewlett Packard 33120A 函數信號產生器或同等品 

志豐電子股份有限公司 **KINGSTATE ELECTRONICS CORP  3/6  KMTG1102-A1** 

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F. MECHANICAL CHARACTERISTICS  機械特性<br>No.  Item  Test condition  Evaluation standard<br>95% surface of lead pads<br>Lead terminals are immersed in rosin for 5 seconds and then immersed in solder<br>Solderability  must be covered with fresh<br>1  bath of +350 ±5 ℃  for 3 ± 1second.<br>焊錫附著性 solder<br>端子浸松香液中 5 秒後置於錫膏內,錫膏溫度:+350±5℃.  焊接時間: 3±1 秒.<br>錫膏須覆蓋端子上方 95%<br>1)IR reflow  遠紅外線熱風迴焊爐<br>Pre-heating conditions shall be+150 to +200℃ for 60 to 180 seconds. Ascending<br>time up to +255℃ shall be longer than 55 seconds.<br>Heating conditions shall be within 20~40 seconds at +255℃ min. But peak<br>temperature shall be lower than +260℃,then being place in natural condition for 1<br>hour, sounder shall be measured<br>Soldering  預熱條件為加熱到+150 to +200℃為 60 到 180 秒.  加熱到 255℃時間須長於 55 秒.<br>Heat  焊接條件為 20~40 秒最低+255℃,  最高不可超過+260℃.  結束後須靜置於室溫中 1 No interference in operation.<br>2<br>Resistance  小時後進行檢測 操作上無任何不良.<br>焊錫耐熱性<br>2)Soldering Iron  烙鐵<br>Soldering iron of +350±5℃ shall be placed 0.5mm above from electrode of<br>sounder. Melting solder through soldering iron shall be applied to electrode for 3±1<br>seconds, then being place in natural condition for 4 hours, sounder shall be<br>measured.<br>+350±5℃的烙鐵置於電極上方 0.5mm 處,  以烙鐵將焊錫熔於電極上 3±1 秒,然後置<br>於室溫中 4 小時後進行檢測.<br>Terminal<br>Mechanical  The force 10 seconds of 9.8N is applied to each terminal is axial direction.  No damage and cutting off<br>3<br>Strength  對每一端子以軸方向,  施 9.8N 拉力 10 秒.  端子不鬆動,  不脫落<br>端子強度<br>After the test the part shall<br>meet specifications without<br>any damage in appearance<br>The part shall be subjected to a vibration cycle of 10Hz to 55Hz in a period of 1  and performance except<br>Vibration  minute. Total peak amplitude shall be 1.55mm . The vibration test shall consist of 2  SPL. The SPL shall be in<br>4<br>振動測試 hours per axis in each three axes (X, Y, Z), Total 6 hours.   ±10dB compared with initial<br>振幅 1.55mm,  頻率 10Hz-55Hz,時間 1 分鐘. X,Y,Z 3 個方向各 2 小時,  共 6 小時.   one.<br>經測試後,單體除音壓外,  外觀<br>及電氣特性須符合規格.輸出<br>音壓變化量須在±10dB 內.<br>G. Recommended Temperature Profile For Reflow Oven    建議迴焊爐溫度曲線<br>SMT Reflow Temperature Profile (Pb_Free)<br>Peak Temp 260°C<br>255°C<br>20~40 sec<br>217°C<br>200°C<br>溫<br>度 150°C<br>°C<br>60~180sec 60~150sec<br>Time [sec]<br>Note: 260 ℃  is Less than 20 sec.,but only pass the lead free reflow once.<br>備注 : 260 ℃不可超過 20 秒 ,  且只能過無鉛迴流焊一次 .<br>志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP  4/6  KMTG1102-A1<br>**----- End of picture text -----**<br>


## **H. ENVIRONMENT TEST** 環境測試 

|**No.**<br>~~a~~|**Item**|**Test Condition**|**Evaluation standard**|
|---|---|---|---|
|1|High temp. test<br>高溫測試|After being placed in a chamber at +80℃for 240 hours<br>置於+80℃環境中240小時|Being placed for 4 hours at<br>+25℃, buzzer shall be<br>measured. The value of<br>oscillation frequency/ current<br>consumption should be in ±10%<br>compared with initial ones .The<br>SPL should be in ±10dB<br>compared with initial one.<br>經測試後,靜置於+25℃（室溫）<br>環境中4小時後,諧振頻率與消耗<br>電流變化量須在±10%內.輸出音<br>壓變化量須在±10dB內.|
|2|Low temp. test<br>低溫測試|After being placed in a chamber at –40℃for 240 hours<br>置於-40℃環境中240小時||
|3|Humidity test<br>相對濕度測試|After being placed in a chamber at +40℃and 90±5% relative humidity<br>for 240 hours<br>置於+40℃, 相對濕度90±5%環境中240小時||
|3|Temp. Cycle<br>溫度循環測試|The part shall be subjected to 5 cycles.<br>單體承受溫度循環測試5次.其循環內容如圖示.<br> Unit: minute<br>+80°C<br>+20°C<br>-40°C<br>|<br>|<br>30<br>| 15)<br>30<br>| 15||



## **I. RELIABILITY TEST** 信賴性測試 

**No. Item Test condition Evaluation standard** Being placed for 4 hours at +25℃, buzzer shall be 1.Continuous life test 高溫壽命測試(連續) measured. The value of 48 hours continuous operation at +65℃ with rated voltage applied. oscillation frequency/ current 在+65℃環境下,以額定電壓連續操作 48 小時. consumption should be in ±10% Operating life 1 test 2.Intermittent life test 室溫壽命測試(間歇) compared with initial ones .The A duty cycle of 1 minute on, 1 minutes off, a minimum of 5000 times at room SPL should be in ±10dB 壽命測試 temp.( +25 ±2℃) and rated voltage applied. compared with initial one. 在室溫下(+25 ±2℃), 以額定電壓操作, 通電 1 分鐘/斷電 1 分鐘,測試 5000 次 經測試後, 靜置於+25℃（室溫） 環境中 4 小時後,諧振頻率與消耗 循環. 電流變化量須在±10%內. 輸出音 壓變化量須在±10dB 內. **TEST CONDITION.** Standard Test Condition : a) Temperature : +5 ~ +35 ℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar 一般測試條件 : a) 溫度 : +5 ~ +35 ℃ b) 濕度 : 45-85% c) 氣壓 : 860-1060mbar Judgement Test Condition : a) Temperature : +25 ± 2 ℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar 爭議時測試條件 : a) 溫度 : +25 ± 2 ℃ b) 濕度 : 60-70% c) 氣壓 : 860-1060mbar 

志豐電子股份有限公司 **KINGSTATE ELECTRONICS CORP  5/6  KMTG1102-A1** 

| J. PACKING STANDARD & #2374 

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## Links

- [View this product on Novapart](https://novapart.co/products/KMTG1102-A1/transducer-piezo-buzzer-25-v-45-ma-68-db)
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- [Supplier page](https://es.farnell.com/en-ES/kingstate/kmtg1102-a1/buzzer-piezo-smd-68db-25v/dp/2215051RL)
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