PDF《A. SCOPE 範疇》

志丰电子股份有限公司 KINGSTATE ELECTRONICS CORP 2/6 KMIG1240 A.

SCOPE This specification applies piezo audio indicator, KMIG1240 此规格书适用於压电式蜂鸣器, KMIG1240 B. SPECIFICATION 规格 No. Item Unit Specification Condition

1 Resonant frequency 共振频率 KHz 4.0 ± 0.5

2 Operating Volt. range 操作电压围 VDC

3 ~

20 3 Current consumption 消耗电流 mA MAX

8 at 12VDC

4 Sound pressure level 输出音压 dB MIN

83 at 10cm/12VDC

5 Rated Voltage 额定电压 VDC

12 6 Tone 声音 Continuous 直音

7 Operating temp. 操作温度 ℃ -30 ~ +70

8 Storage temp. 储存温度 ℃ -40 ~ +80

9 Dimension 尺寸 mm L16.9 x W16.9x H7.8 See appearance drawing 请参照外观尺寸图

10 Weight (MAX) 重量 gram 2.6

11 Material 材质 PPS UL-94 V-0(BLACK)

12 Terminal 端子 SMD type (镀化金/PlatingAu) See appearance drawing 请参照外观尺寸图

13 Environmental Protection Regulation 环保法规 RoHS C. APPEARANCE DRAWING 外观尺寸图 Suggested Pad PCB-Layout Tol : ± 0.5 Unit : mm 志丰电子股份有限公司 KINGSTATE ELECTRONICS CORP 3/6 KMIG1240 Voltage(VDC)

12 at 10cm Sound Pressure Level(dB)

3 6

70 85

75 80

90 95

9 P

100 105

110 15 I

0 18

20 5

10 15

20 25 Current Consumption(mA) D. MEASURING METHOD 测量方法 S.P.L. Measuring Circuit 音压测试接线图 Mic : RION S.P.Lmeter UC30 or equivalent Mic : RION 噪音计 UC30 或同等品 S.G : Hewlett Packard 33120AFunction Generator or equivalent S.G : Hewlett Packard 33120A 函数信号产生器或同等品 E. VOLTAGE: SOUND PRESSURE LEVEL / VOLTAGE: CURRENT CONSUMPTION CHARACTERISTICS 电压与音压/电压与耗电流之特性 志丰电子股份有限公司 KINGSTATE ELECTRONICS CORP 4/6 KMIG1240 F. MECHANICAL CHARACTERISTICS 机械特性 No. Item Test Condition Evaluation standard

1 Solderability 焊锡附著性 Lead terminals are immersed in solder bath of +270±5℃ for 3±1 second. 端子置於锡膏内,锡膏温度:+270±5℃. 焊接时间: 3±1 秒. 95% surface of lead pads must be covered with fresh solder 锡膏须覆盖端子上方95%

2 Soldering Heat Resistance 焊锡耐热性 The product is followed the reflow temperature curve to test its reflow thermo stability. 产品依照回焊温度曲线测试回焊耐热性. No interference in operation. 操作上无任何不良.

3 Terminal Mechanical Strength 端子强度 Leadpads shallbe soldered on the pc board, and the force 9.8N(1.0kg) shall be applied behind the part for

10 seconds. 将端子焊在PC 板上后, 对单体施以9.8N(1.0kg)拉力10 秒. No damage and cutting off 端子不动, 不脱落

4 Vibration 振动试验 Buzzer shall be measured after being applied vibration of amplitude of 1.5mm with

10 to 55hz band of vibration frequency to each of

3 per-pendicular directions for

2 hours. 振动周波数10?55HZ、全振幅1.5mm 於X.Y.Z

3 个方向,各2 小时.

5 Drop test 落下测试 The part only shall be dropped from a height of 75cm onto a 40mm thick wooden board3 times in

3 axes (X.Y.Z). (a total of

9 times). 单体从75 公分高处, X.Y.Z.3 个方向,各3 回,落於40mm 厚木板上. The value of oscillation frequency/ current consumption should be in ±10% compared with initial ones.The SPLshould be in ±10dB comparedwith initial one. 谐振频率与消耗电流变化量须在 ±10%内. 输出音压变化量须在 ±10dB 内. G. ENVIRONMENT TEST 环境测试 No. Item Test Condition Evaluation standard

1 High temp. test 高温测试 After being placed in a chamber at +80℃ for