KYOCERA CORPORATION
EQM08-4KC-F5AS103-00
6.Environmental Characteristics
Items Conditions
6-1.High Temperature
Storage Test
Keep in a chamber at 85 ±2°C for 1000 +12/-0 hours, and then keep at room
temperature for 1 hour. The characteristics of shock sensor shall meet the
specifications.
6-2.Low Temperature
Storage Test
Keep in a chamber at –40 ±2°C for 1000 +12/-0 hours, and then keep at
room temperature for 1 hour. The characteristics of shock sensor shall meet
the specifications.
6-3.Moisture
Resistance Test
Keep in a chamber at 90 to 95 % R.H. and 60 ± 2°C for 500 +12/-0 hours,
and then keep at room temperature for 1 hour. The characteristics of shock
sensor shall meet the specifications.
6-4.Temperature
Cycling Test
Apply 100 thermal cycles with the following temperatures:
- upper temperature 85°C for 20 minutes and transfer time 10 minutes
- lower temperature -40°C for 20 minutes and transfer time 10 minutes
- total cycle time is 1hour
and then left at room temperature for 1 hour. The characteristics of shock
sensor shall meet the specifications.
6-5.Mechanical Shock
Test
After applying the acceleration at 29430m/sec
2
{3000G} in each of X, Y and
Z axis (each 3 times). The characteristics of shock sensor shall meet the
specifications.
6-6.Solderability Test At first, being soaked in the Methanol solution containing Rosin for 5
seconds and then being dipped in a bath of Pb/Sn solder at 250 ± 5°C for 4
± 0.5 seconds. The surface of the electrode terminal shall be soldered more
than 95%.
6-7.Resistance to
Soldering Heat Test
Pre-heat temperature is 150 to 180°C for 1 minute. High temperature is 250
± 5°C, over 200°C for 20 seconds max.(2times). Then keep at room
temperature for 1 hour. The characteristics of shock sensor shall meet the
specifications.
6-8.Board Flex Test
After soldered on the circuit board specified as below, then the load which
cause 3 mm bend to the board is applied. The characteristics of shock
sensor shall meet the specifications. The shock sensor cause no defect in
the appearance. (Circuit Board: FR4, 100 x 40 x 1.6 )
<Measurement Condition>
The reference temperature shall be 25°C±5°C.
F
20
50
R230
45
45
1.0
3.0mm
( 2/6 )
Preliminary
