KEMET Organic Capacitor (KO-CAP
®
) – Miniature
T528 Low ESL Polymer Electrolytic for CPU/GPU Decoupling
Overview
The KEMET Organic Capacitor (KO-CAP) is a solid
electrolytic capacitor with a conductive polymer cathode,
capable of delivering very low ESR and improved
capacitance retention at high frequencies. KO-CAP
combines the low ESR of multilayer ceramic, the high
capacitance of aluminum electrolytic and the volumetric
efficiency of tantalum into a single surface mount package.
Unlike liquid electrolyte-based capacitors, KO-CAP
has a very long operational life and high ripple current
capabilities.
The T528 Low ESL Facedown Terminal Polymer Electrolytic
combines ultra-low ESR and high capacitance in a package
design that offers the lowest ESL in the market. This
series offers exceptional performance for high-speed
microprocessor, FPGA or ASIC decoupling designs. The
T528 utilizes a unique termination design that allows for a
reduction in the inductance loop area and comes in a low
profile 1.7 mm case height. This series offers improved
capacitance retention at frequencies of up to 1 MHz.
Benefits
• Low ESL < 0.7 nH at 20 MHz
• Improved volumetric efficiency
• High frequency capacitance retention
• 100% accelerated steady state aging
• 100% surge current tested
• EIA standard case sizes
• Halogen-free epoxy/RoHS compliant
• Lead free 260°C reflow capable
Applications
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Typical applications include high speed server, microprocessor decoupling and high ripple current applications.
Environmental Compliance
RoHS Compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn or Ni-Pd-Au.
K-SIM
For a detailed analysis of specific part numbers, please visit ksim.kemet.com to access KEMET’s K-SIM software. KEMET
K-SIM is designed to simulate behavior of components with respect to frequency, ambient temperature, and DC bias levels.
One world. One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
T2018_T528 • 1/11/2018
1
KEMET Organic Capacitor (KO-CAP
®
) – Miniature
T528 Low ESL Polymer Electrolytic for CPU/GPU Decoupling
Ordering Information
T
Capacitor
Class
T=
Tantalum
528
Series
528 =
Low ESL
Facedown
Terminal
Polymer
Z
Case Size
B
W
Z
337
Capacitance
Code (pF)
First two digits
represent
significant
figures. Third
digit specifies
number of zeros.
M
2R5
A
T
Termination
Finish
T = 100% Matte
Tin (Sn)-plated
P = Ni-Pd-Au-
plated
E009
ESR Code
E = ESR
last three
digits
specify ESR
in mΩ (009
= 9 mΩ)
Packaging
(C-Spec)
Blank = 7"
reel
7280 = 13"
reel
Capacitance
Rated Voltage Failure Rate/
Tolerance
(VDC)
Design
M=
±20%
002 = 2
2R5 = 2.5
004 = 4
006 = 6.3
A=
N/A
Performance Characteristics
Item
Operating Temperature
Rated Capacitance Range
Capacitance Tolerance
Rated Voltage Range
DF (120 Hz)
ESR (100 kHz)
Leakage Current
−55°C to 105°C
150 – 470 µF at 120 Hz/25°C
M Tolerance (20%)
2 – 6.3 V
≤ 10% - Refer to Part Number Electrical Specification Table
Refer to Part Number Electrical Specification Table
≤ 0.1 CV (µA) at rated voltage after 5 minutes
Performance Characteristics
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
T2018_T528 • 1/11/2018
2
KEMET Organic Capacitor (KO-CAP
®
) – Miniature
T528 Low ESL Polymer Electrolytic for CPU/GPU Decoupling
Qualification
Test
Endurance
Condition
Δ C/C
105°C at rated voltage, 2,000 hours
DF
DCL
ESR
Δ C/C
DF
DCL
ESR
Δ C/C
Humidity
60°C, 90% RH, 500 hours
DF
DCL
ESR
+25°C
Extreme temperature exposure at a
succession of continuous steps at
−55°C, +25°C, +85°C, +105°C
Δ C/C
DF
DCL
IL*
IL
IL
Δ C/C
DF
DCL
ESR
Δ C/C
DF
DCL
Characteristics
Within −20/+10% of initial value
≤ Initial Limit
Within 1.25 x initial limit
Within 2.0 x initial limit
Within −20/+10% of initial value
Within initial limits
Within 1.25 x initial limit
Within 2.0 x initial limit
Within −5/+35% of initial value
≤ Initial limit
Within 5.0 x initial limit
Within 2.0 x initial limit
−55°C
±20%
IL
N/A
+85°C
±20%
1.2 x IL
10 x IL
+105°C
±30%
1.5 x IL
10 x IL
Storage Life
105°C at 0 volts, 2,000 hours
Temperature Stability
Within −20/+10% of initial value
Within initial limits
Within initial limits
Within initial limits
Within ±10% of initial value
Within initial limits
Within initial limits
Surge Voltage
105°C, 1.32 x rated voltage 1,000 cycles
Mechanical Shock/
Vibration
*IL = Initial limit
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
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
T2018_T528 • 1/11/2018
3
KEMET Organic Capacitor (KO-CAP
®
) – Miniature
T528 Low ESL Polymer Electrolytic for CPU/GPU Decoupling
Reliability
KO-CAP capacitors have an average failure rate of 0.5 %/1,000 hours at category voltage, U
C
, and category temperature, T
C
.
These capacitors are qualified using industry test standards at U
C
and T
C
. The minimum test time (1,000 or 2,000 hours) is
dependent on the product series.
The actual life expectancy of KO-CAP capacitors increases when application voltage, U
A
, and application temperature, T
A
,
are lower than U
C
and T
C
. As a general guideline, when U
A
< 0.9 * U
C
and T
A
< 85°C, the life expectancy will typically exceed
the useful lifetime of most hardware (> 10 years).
The lifetime of a KO-CAP capacitor at a specific application voltage and temperature can be modeled using the equations
below. A failure is defined as passing enough current to blow a 1-Amp fuse. The calculation is an estimation based on
empirical results and is not a guarantee.
VAF =
where:
( )
U
A
U
C
n
[ (
TAF = e
E
a
k
1
273+T
A
1
273+T
C
)]
VAF = Acceleration factor due to voltage, unitless
U
C
= Category voltage, Volt
U
A
= Application voltage, Volt
n = Exponent, 16
where:
TAF = Acceleration factor due to temperature, unitless
E
a
= Activation energy, 1.4 eV
k = Boltzmann’s Constant, 8.617E-5 eV/K
T
A
= Application temperature, °C
T
C
= Category temperature, °C
AF = VAF * TAF
where:
AF = Acceleration factor, unitless
TAF = Accerlation factor due to temperature, unitless
VAF = Acceleration factor due to voltage, unitless
where:
Life
U ,T
= Life
U ,T
* AF
A
A
C
C
Life
UA, TA
= Guaranteed life application voltage
and temperature, years
Life
UC, TC
= Guaranteed life category voltage
and temperature, years
AF = Acceleration factor, unitless
Reliability Table 1 – Common temperature range classifications
85°C (T
R
)/
85°C (T
C
)
105°C (T
R
)/
105°C (T
C
)
105°C (T
R
)/
125°C (T
C
)
Rated Voltage (U
R
)
Category Voltage (U
C
)
Rated Voltage (T
R
)
Category Voltage (U
C
)
Rated Voltage (T
R
)
Category Voltage (U
C
)
2.5
2.5
2.5
2.5
2.5
1.7
4.0
4.0
4.0
4.0
4.0
2.7
6.3
6.3
6.3
6.3
6.3
4.2
8.0
8.0
8.0
8.0
8.0
5.4
10.0
10.0
10.0
10.0
10.0
6.7
12.5
12.5
12.5
12.5
12.5
8.4
16.0
16.0
16.0
16.0
16.0
10.7
20.0
20.0
20.0
20.0
20.0
13.4
25.0
25.0
25.0
25.0
25.0
16.8
35.0
35.0
35.0
35.0
35.0
23.5
50.0
50.0
50.0
50.0
50.0
33.5
63.0
63.0
63.0
63.0
63.0
42.2
75.0
75.0
75.0
75.0
75.0
50.3
Terms:
Category Voltage, U
C
: Maximum recommended peak DC operating voltage for continuous operation at the category temperature, T
C
Rated Voltage, U
R
: Maximum recommended peak DC operating voltage for continuous operation up to the rated temperature, T
R
Category Temperature, T
C
: Maximum recommended operating temperature; voltage derating may be required at T
C
Rated Temperature, T
R
: Maximum recommended operating temperature without voltage derating; T
R
is equal to or lower than T
C
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
T2018_T528 • 1/11/2018
4
KEMET Organic Capacitor (KO-CAP
®
) – Miniature
T528 Low ESL Polymer Electrolytic for CPU/GPU Decoupling
Electrical Characteristics
ESR vs. Frequency
10
T528Z337M2R5ATE012_Imp
Capacitance vs. Frequency
1,000
Impedance, ESR (Ohms)
1
T528Z337M2R5ATE009_Imp
T528Z337M2R5ATE007_Imp
T528Z337M2R5ATE009_ESR
T528Z337M2R5ATE012_ESR
T528Z337M2R5ATE007_ESR
0.1
Capacitance (µF)
100
10
T528Z337M2R5ATE012
T528Z337M2R5ATE009
T528Z337M2R5ATE007
0.01
0.001
100
1,000
10,000
100,000
Frequency (Hz)
1,000,000
10,000,000
1
1,000
10,000
100,000
Frequency (Hz)
1,000,000
10,000,000
Dimensions – Millimeters
END VIEW
H
W
L
Termination cutout
at KEMET's option,
either end
SIDE VIEW
BOTTOM VIEW
(–)
(+)
F
S1
S2
Case Size
KEMET
B
W
Z
EIA
3528–20
7343–15
7343–17
L
3.5 ±0.2
7.3 ±0.4
7.3 ±0.4
W
2.8 ±0.2
4.3 ±0.3
4.3 ±0.3
Component Dimensions
H
2.0 Maximum
1.5 Maximum
1.7 Maximum
F ±0.2
2.2
2.8
2.8
S1 ±0.4
0.8
5.0
5.0
S2 ±0.2
0.8
1.3
1.3
Total
Weight
(mg)
94.85
222.95
206.33
These weights are provided as reference. If exact weights are needed, please contact your KEMET Sales Representative
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
T2018_T528 • 1/11/2018
5
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