Reliability Test Procedures

RELIABILITY TEST PROCEDURES FOR QUARTZ CRYSTALS
RELIABILITY TEST PROCEDURES FOR QUARTZ CRYSTALS
NO.
TEST NAME
1
SHOCK
2
VIBRATION
TEST PROCEDURES
REQUIREMENTS
Drop 3 times from the height of 100 cm
onto hard wooden board.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
Vibration Frequency: 10 to 55 Hz, 1.5 mm, full wave
Cycle: 2 min.
Direction: X.Y.Z.
Time: 2 hours in each direction
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
Over 90% of terminals/lead-wires dipped is
covered by solder.
SOLDERABILITY
After applying ROSIN flux, dip in solder
Dipping Time: 3 ±0.5 sec.
Soldering Temperature: +230 ±5 ˚C
Dipping Depth: 2 mm from the
edge of terminals/lead-wires
of specimen.
RESISTANCE TO
SOLDERING HEAT
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
4
Dipping in solder
Dipping Time: 10 ±1 sec.
Soldering Temperature: +260 ±5 ˚C
Dipping Depth: 2 mm from the edge of
terminals/lead-wires of specimen.
5
STORAGE IN
HIGH TEMPERATURE
+85 ± 2 ˚C for 500 hours.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
6
STORAGE IN
LOW TEMPERATURE
-40 ± 2 ˚C for 500 hours.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
7
HUMIDITY
+60 ± 2 ˚C in humidity
95% for 500 hours.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
Supply 500 cycles as follows:
Temperature shift shall be done within 30 sec.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
3
8
THERMAL SHOCK
-55 ±2˚C
(30 min)
+125 ±2˚C
(30 min)
Supply 100 cycles as follows:
9
TEMPERATURE CYCLE
+125 +5 -2˚C
30 min.
Frequency Drift ±5 PPM Max.
Resistance Drift ±15% Max.
+25 ±5˚C
10 min.
+25 ±5˚C
10 min.
-55 +3-5˚C
30 min.
1 Cycle
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
TECHNICAL REFERENCE
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TECHNICAL REFERENCE
RELIABILITY TEST PROCEDURES FOR QUARTZ CRYSTALS
RELIABILITY TEST PROCEDURES FOR QUARTZ CRYSTALS
NO.
TEST NAME
TEST PROCEDURES
REQUIREMENTS
1) Lead Pull
There are no visual abnormalities.
Weight: 1 kg
Time: 30 sec.
10
STRENGTH OF TERMINALS/
LEAD WIRES
2) Lead Bend
There are no visual abnormalities.
Weight: 225 g
Bending Angle: 90 degrees
Bending Count: 2 times
1) Dipping in Florinert at:
11
SEALING TIGHTNESS
MIL-STD 202F
METHOD 112D
TEST C AND D
There are no gas bubbles.
+125 ±5˚C for 5 min.
(Gross Leak)
2) Leak rate shall be measured by using:
Leak rate: 1x10 -6 atm˚CC/sec. Max.
Helium Leak Detector
(Fine Leak)
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
TECHNICAL REFERENCE
99
TECHNICAL REFERENCE