
Drawing No. UKY1C-H1-15838-00[31] 9/11
KYOCERA Crystal Device Corporation
KBS-5079G
9.Enviromental requirements
After conducting the following tests, component needs to meet below conditions.
Frequency: Fluctuation within +/-10 x 10-6
CI: Fluctuation within +/-20% or 5Ω whichever is larger
9.1 Resistance to Shock Test condition
3 times natural drop from 100cm onto hard wooden board.
9.2 Resistance to Vibration Test condition
frequency : 10 - 55 - 10 Hz
Amplitude : 1.5mm
Cycle time : 15 minutes
Direction : X,Y,Z (3direction),2h each.
9.3 Resistance to Heat Test condition
The quartz crystal unit shall be stored at a
temperature of +85±2°C for 500h and subjected to
room temperature for 1h before measurement.
9.4 Resistance to Cold Test condition
The quartz crystal unit shall be stored at a
temperature of -40±2°C for 500h and subjected to
room temperature for 1h before measurement.
9.5 Thermal Shock Test condition
The quartz crystal unit shall be subjected to 500 temperature
cycles shown in table below,Then it shall be subjected
to room temperature for 1h before mesurement.
Cycle :-40±2°C(30min.)→ +25±2°C(5min.)
→ +85±2°C(30min.)→ +25±2°C(5min.)