SMD2520 Datasheet, PDF (5/8 Pages) Shenzhen Luguang Electronic Technology Co., Ltd – SMD Quartz Crystal Resonator

SMD Quartz Crystal Resonator
3.1 Mechanical characteristics
Provided that measurement shall be carried out after letting it alone in the room temperature for 1h.
Item
Specifications
1 Drop Test
Dropping 3 times from the height of 75cm onto hard wooden board of thickness
more than 30mm.
Mechanical
2
Shock
Devices are shocked to half sine wave (1000 G) three mutually perpendicular
axes each 3 times.
(1) Vibration Frequency 10~55Hz
(2) Cycle
1 to 2 min
3 Vibration
(3) Amplitude
1.0mm
(4) Direction
X.Y.Z
(5) Time
2hr for each direction
MIL - STD - 20E Method 208C
Temperature
245℃±5℃
4 Solderability
Material
H63A (Silver 2 ~ 3 %)
Immersion depth 0.5 mm minimum
Immersion time 3 ± 0.5 seconds
Flux
Rosin resin methyl alcohol solvent ( 1 : 4 )
Resistance to
MIL - SLD -202, Method 210, Condition I or J
5 Soldering
10 sec immersion into 260 ± 5℃ solder pot, above 180℃ is 90 ~ 120 sec.
Heat
*Frequency variation shall be within +/-5ppm and equivalent resistance less than ±15% max. after the test.
Note: Measuring the frequency should be done after keeping test samples at room temperature for 24 hours.