equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
VFH2121-VFH2124, VFH2221-VFH2224
VFH2521-VFH2524, VFH2621-VFH2624
XO Hi-Rel,5.0V, 3.3V, 5x7mm SMD, HCMOS/TTL
Table 2
Reliability Test Procedures and Conditions for Quarts Crystal Oscillators
1. Group A
Electrical Characteristics at 25°C
Frequency at nominal supply voltage and endpoints
Input current
Symmetry (Duty Cycle)
Zero/One levels
Rise/Fall times
Frequency (verify frequency at the temperature extremes)
Physical Dimensions
Length/width
Height
Package finish (Corrosion, discoloration, etc.)
Marking placement/legibility
2. Group B
1000 hrs at or above 125°C, nominal voltage, proper load
(sample size by MIL -PRF-55310 table 6, max. aging within 15 years
requirement without catastrophic failures)
3. Group C- All units have passed Group A testing
A. Subgroup 1: 8 pcs.
End Point
Measurement
Frequency
Output waveform
C.
Standard
MIL-STD-883
Condition
Method 1011
COND. B
Description
Thermal Shock
Liq. To liq.
15 cycles
B.
Subgroup 2: 4 pcs (One-half of Subgroup 1)
End point
Measurement
Frequency
Output waveform
MIL-STD-202
Method 105
COND. B
Method 1004
Altitude, 3.44
inch Hg. 12 hrs
Moisture resist.
with supply
voltage applied
25°C to 65°C,
90 to 100% RH,
10 cycles
Frequency
Output waveform
Frequency
Output waveform
MIL-STD-883
MIL-STD-202
Method 210
COND. A
Resistance to
Frequency
Solder Heat
Output waveform
Immersion @350ºC
3.5 sec
Subgroups 3: 4 pcs. (One half of Subgroup 1)
End point
Measurement
Frequency
Output waveform
Frequency
Output waveform
Visual
Qs <5 X10
-8
Standard
MIL-STD-883
Condition
Method 2002
COND.B
Description
Mechanical Shock
1500 g’s, 0.5ms
5 drops, 6 axis
Vibration, var.
freq. 20 g’s,
0.06” disp., 20-
20, 000-20 Hz
Standard
Condition
Storage Temp.
No. Oper
Method 1009
COND. A
Description
24 hrs. @ -55°C
24 hrs. @ 125°C
Salt Atmosphere
24 hrs. @ 35°C
0.5-3.0% Solution
Fine Leak
Gross Leak
MIL-STD-883
Method 2007
COND. A
Frequency
Output waveform
MIL-STD-883
MIL-STD-883
MIL-STD-883
Method 2003
Solderability
Visual 95%
Coverage
MIL-STD-883
Test data is available for additional cost.
Method 1014
COND. A
Method 1014
COND. C
Visual in 125°C
Detector fluid
This product is specified for use only in standard commercial applications. Supplier disclaims all express and implied warranties and liability in connection with any use of this
product in any non-commercial applications or in any application that may expose the product to conditions that are outside of the tolerances provided in its specification.
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