志豐電子股份有限公司 KINGSTATE ELECTRONICS CORP 5/6

KMTG1603

H. ENVIRONMENT TEST 環境測試

No.

Item

Test Condition

Evaluation standard

1

High temp. test

高溫測試

After being placed in a chamber at +85℃ for 240 hours

置於+85℃環境中 240 小時

2

Low temp. test

低溫測試

After being placed in a chamber at –40℃ for 240 hours

置於-40℃環境中 240 小時

3

Humidity test

相對濕度測試

After being placed in a chamber at +40℃ and 90±5% relative humidity

for 240 hours

置於+40℃, 相對濕度 90±5% 環境中 240 小時

3

Temp. Cycle

溫度循環測試

The part shall be subjected to 5 cycles.

單體承受溫度循環測試 5 次.其循環內容如圖示.

Being placed for 4 hours at

+25℃, buzzer shall be

measured. The value of

oscillation frequency/ current

consumption should be in ±10%

compared with initial ones .The

SPL should be in ±10dB

compared with initial one.

經測試後, 靜置於+25℃（室溫）

環境中 4 小時後

電流變化量須在±10%內. 輸出音

壓變化量須在±10dB 內.

I. RELIABILITY TEST 信賴性測試

No.

Item

Test condition

Evaluation standard

1

Operating life

test

壽命測試

1.Continuous life test 高溫壽命測試(連續)

48 hours continuous operation at +55℃ with rated voltage applied.

在+55℃環境下,以額定電壓連續操作 48 小時.

2.Intermittent life test 室溫壽命測試(間歇)

A duty cycle of 1 minute on, 1 minutes off, a minimum of 5000 times at room

temp.( +25 ±2℃)and rated voltage applied.

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 次循環.

Being placed for 4 hours at

+25℃, buzzer shall be

measured. The value of

oscillation frequency/ current

consumption should be in ±10%

compared with initial ones .The

SPL should be in ±10dB

compared with initial one.

經測試後, 靜置於+25℃（室溫）

環境中 4 小時後,諧振頻率與消耗

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