KOA SPEER ELECTRONICS, INC.
SS-220 R8
5. Characteristics (continuedꢀ
Item
Requirement
Conditions
Mechanical Shock
Appearance: There shall be no physical or
mechanical damage.
Force: 50G
Time: 11 msec
Impedance: Relative to initial value before test
10ꢁ.
There shall be 3 shocks in each of 6 directions
(18 shocks totalꢀ.
Vibration
Impedance: Relative to initial value 10ꢁ.
Only endurance conditioning by sweeping shall
be made. The entire frequency range from
10-2,000Hz and return to 10Hz in 20
minutes (this shall constitute one cycleꢀ.
Amplitude: 1.5mm
The test shall have a 15G peak and shall be
applied for a period of 4 hours (12 cyclesꢀ
in each of 3 mutually perpendicular directions
(a total of 36 cycles within a total of 12 hoursꢀ.
Thermal Shock
Appearance: There shall be no physical or
mechanical damage.
Step
1-start
Temperature
-40°C 2°C
Time
Impedance: Relative to initial value 20ꢁ.
DCR: The DCR shall not exceed initial specified
value.
2-hold
3-transfer
4-hold
-40°C 2°C 30 min 5 min
0.5 min max.
+105°C 2°C 30 min 5 min
0.5 min max.
5-transfer
Testing of the parts will be made at 0 hours, 250
hours and 500 hours. Before testing, the parts
shall be allowed to cool to room temperature for
24 hours.
Steps 1 thru 5 constitute one complete cycle
and the test shall consist of a total of 500
cycles.
Load Humidity
Appearance: There shall be no physical or
mechanical damage.
Impedance: Relative to initial value 15ꢁ.
Temperature: 85°C 2°C
Relative Humidity: 85ꢁ
Time: 1,000 hours total
Apply: 100ꢁ rated current
Measurements shall be taken at 0 hours, 250
hours, 500 hours and 1,000 hours and shall meet
the conditions stated above.
Life Test
Appearance: There shall be no physical or
mechanical damage
Impedance: Relative to initial value 15ꢁ
Temperature: 85°C 2°C
Time: 1,000 hours total
Apply: 100ꢁ rated current
Measurements shall be taken at 0 hours, 250
hours, 500 hours and 1,000 hours and shall meet
the conditions stated above.
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Bolivar Drive
P.O. Box 547
Bradford, PA 16701
USA
814-362-5536
Fax 814-362-8883
www.koaspeer.com