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T551B107M025AT4251 Datasheet(PDF) 6 Page - Kemet Corporation

Part No. T551B107M025AT4251
Description  Includes F-Tech anode which eliminates hidden defects
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Maker  KEMET [Kemet Corporation]
Homepage  http://www.kemet.com
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T551B107M025AT4251 Datasheet(HTML) 6 Page - Kemet Corporation

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© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
T2072_T551 • 6/23/2016
66
Tantalum Through-Hole Capacitors – Hermetically Sealed
T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series
Recommended Voltage Derating Guidelines
-55°C to 85°C 85°C to 105°C 105°C to 125°C
% Change in Working DC
Voltage with Temperature
VR
78% of VR
66% of VR
Recommended Maximum
ApplicationVoltage
(As%ofRatedVoltage)
80% of VR
63% of VR
53% of VR
Ripple Current/Ripple Voltage
PermissibleACripplevoltageandcurrentarerelatedtoequivalentseriesresistance(ESR)andthepowerdissipationcapabilitiesofthe
device.PermissibleACripplevoltagethatmaybeappliedislimitedbytwocriteria:
1.ThepositivepeakACvoltageplustheDCbiasvoltage,ifany,mustnotexceedtheDCvoltageratingofthecapacitor.
2.ThenegativepeakACvoltageincombinationwithbiasvoltage,ifany,mustnotexceedtheallowablelimitsspecifiedforreverse
voltage.
The maximum power dissipation by case size can be determined using the below left table. The maximum power dissipation
rating stated in the table must be reduced with increasing environmental operating temperatures. Refer to the below right table for
temperature compensation requirements.
Case Code
Maximum Power
Dissipation (P
max)
mWatts at 25°C
with +60°C Rise
KEMET
MIL–PRF–39006/22/
25/30/31 Case Size
B
T2
715
Temperature Compensation Multipliers for
Maximum Power Dissipation (P
max)
T≤45°C
45°C<T≤85°C
85°C<T≤125°C
1.00
0.50
0.10
T= Environmental Temperature
Using the P
max of the device, the maximum allowable rms ripple
current or voltage may be determined.
I(max) = √Pmax/R
E(max) = Z √Pmax/R
I = rms ripple current (amperes)
E = rms ripple voltage (volts)
P
max = maximum power dissipation (watts)
R = ESR at specified frequency (ohms)
Z = Impedance at specified frequency (ohms)
The maximum power dissipation rating must be reduced with increasing
environmental operating temperatures. Refer to the Temperature Compensation
Multiplier table for details.
0%
20%
40%
60%
80%
100%
120%
-55
25
45
85
105
125
Temperature (°C)
% Change in Working DC Voltage with Temperature
RecommendedMaximumApplicationVoltage(As%of
Rated Voltage)
80%
66%
53%


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