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參數(shù)資料
| 型號： | HC-49U |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Tape and Reel, insulator tab,3-lead,and custom lead length options available |
| 中文描述： | 磁帶和卷軸絕緣子標簽,3 -鉛，和自定義引線長度可供選擇 |
| 文件頁數(shù)： | 3/3頁 |
| 文件大小： | 52K |
| 代理商： | HC-49U |
5.
ENVIRONMENTAL SPECIFICATION
1)
Temperature test
* Temperature cycling test
Conditions: Steps of cycle 1) At -55
℃
,30 minutes
2) At +25
℃
,10 - 15 minutes
3) At +85
℃
,30 minutes
4) At +25
℃
,10 - 15 minutes
Number of cycles 3 times
Results: Frequency and wave form of tested products must
remain within specifications.
* Low Temperature test
Conditions: Temperature -20
℃±
2
℃
Length of test 96 hours
Results: There should be no stain on surface of products.
Frequency and wave form of tested products must
remain within specifications.
2)
Aging test
Conditions: Temperature +85
℃±
20
℃
Length of test 96 hours
Results: Deviation of frequency must be less than
±
3ppm
3)
Salt spray test
Conditions: Temperature +35
℃±
2
℃
Length of test 48 hours
NaCI % 5%
Results: There should be no stain on surface of products.
4)
Humidity test
Conditions: Temperature +40
℃±
2
℃
Relative humidity 90 - 95%
Length of test 96 hours
Results: a. Insulation resistance must be 500 M
Ω
/100 Vac. minimum
b. Resistance and wave form must remain within specifications.
CRYSTAL UNIT
HC-49/S SMD
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