HCX-4SB(27MHz)
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
1
2
Drop Test
Mechanical
Shock
Specifications
Dropping 3 times from the height of 75cm onto hard wooden board of thickness
more than 30mm.
Devices are shocked to half sine wave (1000 G) three mutually perpendicular
axes each 3 times.
(1) Vibration Frequency
(2) Cycle
3
Vibration
(3) Amplitude
(4) Direction
(5) Time
10~55Hz
1 to 2 min
1.0mm
X.Y.Z
2hr for each direction
4
Solderability
MIL - STD - 20E Method 208C
Temperature
245℃±5℃
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 )
MIL - SLD -202, Method 210, Condition I or J
10 sec immersion into 260 ± 5℃ solder pot, above 180℃ is 90 ~ 120 sec.
5
Resistance to
Soldering
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.
SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD.
LUGUANG [ Shenzhen Luguang Electronic Technology Co., Ltd ]
