PDF《A. SCOPE 範疇》

240 hours 置於+80℃环境中72 小时

2 Low temp. test 低温测试 After being placed in a chamber at C40℃ for

240 hours 置於-40℃环境中72 小时

3 Humidity test 相对湿度测试 After being placed in a chamber at +40℃ and90±5% relativehumidity for

240 hours 置於+40℃, 相对湿度 90±5% 环境中72 小时

4 Temp. cycle test 温度循环试验 The part shall be subjected to

5 cycles. One cycle shall be consist of: 单体承受温度循环测试5 次,其循环内容如图示: +80℃ +25℃ +25℃ -40℃ 0.5hr 0.5hr 0.25 0.5hr 0.5hr 0.5hr 0.25 3hours Being placed for

4 hours at +25℃, buzzer shall be measured.The value of oscillation frequency/ current consumption should be in ±10% comparedwith initial ones .The SPLshould be in ±10dB comparedwith initial one. 经测试后, 静置於+25℃(室温) 环境中4 小时后,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. 志丰电子股份有限公司 KINGSTATE ELECTRONICS CORP 5/6 KMIG1240 H. RELIABILITY TEST 信赖性测试 No. Item Test condition Evaluation standard

1 Operating life test 寿命测试 1.Continuous life test 高温寿命测试(连续)

48 hours continuous operation at +55℃ with DC 12V applied. 在+55℃环境下,以DC 12V 电压连续操作48 小时 2.Intermittent life test 室温寿命测试(间歇) Aduty cycle of

1 minute on, 1minutes off, a minimum of 5,000 times at room temp. ( +25±2℃) and DC12V applied 在室温下(+25±2℃), 以DC 12V 电压操作, 通电1 分钟/断电1 分钟,测试 5,000 次循环. Being placed for

4 hours at +25℃, buzzer shall be measured.The value of oscillation frequency/ current consumption should be in ±10% comparedwith initial ones .The SPLshould be in ±10dB comparedwith initial one. 经测试后, 静置於+25℃(室温) 环境中4 小时后,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. TEST CONDITION. StandardTest Condition : a)Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar 一般测试条件 : a) 温度 : +5 ~ +35℃ b) 湿度 : 45-85% c) 气压 : 860-1060mbar JudgementTest Condition : a)Temperature: +25 ± 2℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar 争议时测试条件 : a) 温度 : +25 ± 2℃ b) 湿度 : 60-70% c) 气压 : 860-1060mbar I. Recommended Temperature Profile For Reflow Oven 建议回焊炉温度曲线 Time [sec] Peak Temp 217°C 260°C 温度°C 60~180sec 60~150sec SMT Reflow Temperature Profile (Pb_Free) 255°C 20~40 sec 150°C 200°C 志丰电子股份有限公司 KINGSTATE ELECTRONICS CORP 6/6 KMIG1240 J. PACKING STANDARD 包装规格