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CRYSTAL UNIT. SMD0705 Datasheet |
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SMD0705
CRYSTAL UNIT
1. SCOPE
This specification shall cover the characteristics of crystal unit with
SMD0705-10.00—27.00MHz
2. ELECTRICAL SPECIFICATION
ITEM
HOLDER TYPE
NOMINAL FREQUENCY
LOAD CAPACITANCE
OSCILLATION MODE
FREQUENCY TOLERANCE AT 25℃±2℃
EQUIVALENT SERIES RESISTANCE
DRIVE LEVEL
OPERATING TEMPERATURE RANGE
FREQUENCY STABILITY
SHUNT CAPACITANCE
AGING
INSULATION RESISTANCE
SPECIFICATION
SMD0705
10.00—27.00MHz
10PF to series
Fundamental
±30PPM
40Ω max.
0.5MW
-10℃~+60℃
±30PPM
<7PF
±5PPM/YEAR
>500MΩ at DC 100V
3.Dimension (mm)
Wing Shing Computer Components Co., (H.K.)Ltd.
Homepage: http://www.wingshing.com
Tel:(852)2341 9276 Fax:(852)2797 8153
E-mail: wsccltd@hkstar.com
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SMD0705
CRYSTAL UNIT
4. MECHANICAL SPECIFICATION
1) Terminal Strength
* Lead pulling test
Conditions: Load
907.2 gram
Direction
To the downward
Duration of applied force
5 seconds
Results: There should be no distortion in appearance.
* Lead bending test
Conditions: Load
Bending angle
453.6 gram
90°to normal position
Rate of bending
3 seconds in each cycle
Number of bending
3
Results: There should be no distortion in appearance.
2) Lead solderability test
Conditions: Dipping in solder(+230℃±5℃)for 5 seconds
Results: More than 95% of surface being tested should be
coated uniformly with solder.
3) Vibration test
Conditions: Frequency
10 – 55Hz
Amplitude
0.762mm
Sweep
1.0 minute
Duration
2 hours
Results: Frequency and wave form of tested products must
Remain within specifications.
4) Drop test
Conditions: Method of drop
Natural drop
Dropping floor
Hard wood board
Height
30cm
Number of drops
3 times
Results: Frequency and wave form of tested products must
remain within specifications.
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SMD0705
CRYSTAL UNIT
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:
Results:
Temperature
+85℃±20℃
Length of test
96 hours
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%
Results:
Length of test
96 hours
a. Insulation resistance must be 500 MΩ/100 Vac. minimum
b. Resistance and wave form must remain within specifications.
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