HC-49S Wing Shing Computer Components, HC-49S Datasheet - Page 3

• Manufacturer Part Number: HC-49S
• Description: CRYSTAL UNIT
• Manufacturer: Wing Shing Computer Components

HC-49/S
5. ENVIRONMENTAL SPECIFICATION
1) Temperature test
2) Aging test
3) Salt spray test
4) Humidity test
* Low Temperature test
* Temperature cycling test
Conditions:
Conditions:
Conditions: Temperature
Results:
Results:
Results:
Conditions:
Results:
Conditions: Steps of cycle
Results:
a. Insulation resistance must be 500 MΩ/100 Vac. minimum
Relative humidity
Length of test
b. Resistance and wave form must remain within specifications.
There should be no stain on surface of products.
Temperature
Length of test
NaCI %
Temperature
Deviation of frequency must be less than ±3ppm
Frequency and wave form of tested products must
remain within specifications.
Length of test
There should be no stain on surface of products.
Number of cycles
remain within specifications.
Temperature
Frequency and wave form of tested products must
Length of test
1) At -55℃,30 minutes
96 hours
2) At +25℃,10 - 15 minutes
3) At +85℃,30 minutes
4) At +25℃,10 - 15 minutes
3 times
+40℃±2℃
90 - 95%
5%
+35℃±2℃
96 hours
48 hours
+85℃±20℃
-20℃±2℃
96 hours
CRYSTAL UNIT