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Tantalum Surface Mount Capacitors – Standard Tantalum
T491 Industrial Grade MnO 2 Series
Qualification
Test
Condition
Δ C/C
Characteristics
Within ±10% of initial value
Endurance
Storage Life
Thermal Shock
85°C @ rated voltage, 2,000 hours
125°C @ 2/3 rated voltage, 2,000 hours
125°C @ 0 volts, 2,000 hours
MIL–STD –202, Method 107, Condition B, mounted, -55C° to
125° C, 1,000 cycles
DF
DCL
ESR
Δ C/C
DF
DCL
ESR
Δ C/C
DF
DCL
ESR
Within initial limits
Within 1.25 x initial limit
Within initial limits
Within ±10% of initial value
Within initial limits
Within 1.25 x initial limit
Within initial limits
Within ±5% of initial value
Within initial limits
Within 1.25 x initial limit
Within initial limits
Temperature Stability
Extreme temperature exposure at a
succession of continuous steps at +25oC,
-55oC, +25oC, +85oC, +125oC, +25oC.
Δ C/C
DF
DCL
+25°C
IL*
IL
IL
-55°C
±10%
IL
n/a
+85°C
±10%
1.5 x IL
10 x IL
+125°C
±20%
1.5 x IL
12 x IL
Δ C/C
Within ±5% of initial value
Surge Voltage
Mechanical Shock/Vibration
25°C and 85°C, 1.32 x rated voltage 1,000 cycles
(125°C, 1.2 x rated voltage).
MIL–STD –202, Method 213, Condition I, 100 G peak
MIL–STD –202, Method 204, Condition D, 10 Hz to 2,000 Hz,
20 G peak
DF
DCL
ESR
Δ C/C
DF
DCL
Within initial limits
Within initial limits
Within initial limits
Within ±10% of initial value
Within initial limits
Within initial limits
*IL = Initial limit
? KEMET Electronics Corporation ? P.O. Box 5928 ? Greenville, SC 29606 (864) 963-6300 ? www.kemet.com
T2005_T491 ? 10/8/2013
3
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