Reliability Test Procedures MTBF ECS-HC

RELIABILITY TEST PROCEDURES FOR ECS-HC-49USX
NO.
TEST NAME
1
SHOCK
2
VIBRATION
TEST PROCEDURES
REQUIREMENTS
Drop 3 times from the height of 100cm onto hard
wooden board.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
Vibration Frequency: 10 to 55Hz, 1.5mm, full wave
Cycle: 2 min.
Direction: X.Y.Z.
Time: 2 hours in each direction
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
3
STORAGE IN HIGH
+85 ±2ºC for 500 hours.
TEMPERATURE
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
4
STORAGE IN LOW
-40 ±2ºC for 500 hours.
TEMPERATURE
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
5
6
7
HUMIDITY
+ 60 ± 2ºC in humidity
95% for 500 hours.
Supply 500 cycles as follows:
Temperature shift shall be done within 30 sec.
THERMAL SHOCK
-55 ±2ºC
+125 ±2ºC
(30 min) <------------------> (30 min)
TEMPERATURE
CYCLE
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
1) Lead Pull:
There are no visual abnormalities.
Weight: 1 Kg
Time: 30 sec.
8
9
10
STRENGTH OF
TERMINALS/LEAD 2) Lead Bend:
WIRES
Weight: 225 g
Bending Angle: 90 degrees
Bending Count: 2 times
SEALING
TIGHTNESS
MIL-STD 202F
METHOD 112D
TEST C AND D
Mean Time
Between Failures
(MTBF)
There are no visual abnormalities.
1) Dipping in Florinert at:
+125 ±5ºC for 5 min.
(Gross Leak)
2) Leak rate shall be measured by using:
Helium leak Detector
(Fine Leak)
Ea x (1/T1-1/T2) / K
MTBF (25ºC) = HsXeºCe___________________
π
There are no visual abnormalities.
There are no visual abnormalities.
16396600 Hours