HCX-4SB(27MHz)
SMD Quartz Crystal Resonator
3.2 Environmental characteristics
Provided that measurement shall be carried out after letting it alone in the room temperature for 1h.
Item
Specifications
It alone at 40℃± 2℃ in humidity of 90~95% for 48h.
It alone at –40℃± 2℃ for 240h.
It alone at 85℃± 2℃ for 240h.
The following temperature cycle (10 cycles). Refer to below Fig. Temperature
shift from low to high, high to low shall be done in 1℃/min.
85+/-5℃
30 min
25+/-5℃
2 min
-40+/-5
30 min
1 Cycle
25+/-5℃
2 min
1
2
3
4
Humidity
Storage in Low
Temperature
Storage in High
Temperature
Temperature
Cycle
*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.
3.3 SUGGESTED IR REFLOW PROFILE
SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD.
LUGUANG [ Shenzhen Luguang Electronic Technology Co., Ltd ]
