KEMET Organic Capacitor (KO-CAP
®
) – High Reliability
T540/T541 COTS Polymer Electrolytic for
High Reliability Applications, 2.5 – 63 VDC
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 COTS Polymer Electrolytic offers the
same performance advantages as other KO-CAP series
with screening options associated with high reliability ("Hi-
Rel") applications. These Commerical-Off-The-Shelf (COTS)
grade components offer several surge current screening
options.
The recommended application derating for these capacitors
is 10 – 20%, rendering them suitable for application voltages
from 2.5 to 63 VDC.
These Series are the first polymer electrolytic capacitor
available with failure rate options as defined by KEMET's
KO-CAP Reliability Assessment method. This method utilizes
accelerated conditions (voltage and temperature) applied to
board-mounted samples to assess long term device reliability.
The failure rates available are B (0.1% per 1,000 hours), C
(0.01% per 1,000 hours) and D (0.001% per 1,000 hours).
The KO-CAP Reliability Assessment method was developed
as a result of over 10 years of research and is described in
numerous papers available on www.kemet.com.
Benefits
• Approved for DLA Drawing 04051/04052
• B, C and D failure rates available
• 100% accelerated steady state aging
• High frequency capacitance retention
• Improved humidity capability 85°C/85% RH, 1.0 Vr (in black color epoxy) available
• Very low ESR values down to 5 mΩ
• Surge current testing options
• Volumetrically efficient
• EIA standard case sizes
• KEMET's KO-CAP Reliability Assessment method
One world. One KEMET
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2077_T540-541 • 10/15/2018
1
KEMET Organic Capacitor (KO-CAP
®
) – High Reliability
T540/T541 COTS Polymer Electrolytic for High Reliability Applications, 2.5 – 63 VDC
Applications
Typical applications include decoupling , filtering and hold-up in defense and aerospace applications that require low ESR or
a benign failure mode.
When extreme temperatures and humidity are taken into account, polymer capacitors offer a number of advantages over
other types of capacitors. KEMET continues to investigate the behavior of polymer capacitors in extreme conditions. If
you have questions about using these capacitors in a specific environment or application, we suggest you contact your
local KEMET representative or Field Application Engineer. You may also refer to “Considerations for Polymer Capacitors in
Extreme Environments” located at
www.kemet.com/ExtremePolymerPaper.
Environmental Compliance
RoHS Compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn solder. Halogen Free.
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.
Ordering Information
T
541
D
Case
Size
A,
B,
C,
D,
O,
X,
Y
157
M
10
A
Failure Rate/
Design
A = N/A
B* = 0.1%/KHrs
C* = 0.01%/KHrs
D*= 0.001%/KHrs
H
Termination
Finish
H = Standard
solder coated
(SnPb 5%
Pb minimum)
T = 100%
Matte Tin
(Sn) plated
65
Surge Option
65 = 4 cycles at 25°C
±5°C**
66 = 10 cycles at 25°C
±5°C***
67 = 10 cycles at
-55°C +0°C/-5°C and
+85°C ±5°C***
85 = 4 cycles at
25°C ±5°C ** and
improved humidity
capability
86 = 10 cycles at
25°C ±5°C*** and
improved humidity
capability
87= 10 cycles at
−55°C +0°C/−5°C
and +85°C ±5°C***
and improved
humidity capability
10
ESR
05 = ESR -
High
10 = ESR -
Standard
20 = ESR -
Low
30* = ESR
- Ultra Low
ESR
Packaging
(C-Spec)
Blank = 7"
Reel
7280 = 13"
Reel
7610 = Bulk
Bag
7640 = Bulk
plastic box
WAFL =
Waffle
Pack
Capacitor
Series
Class
T=
540 =
Tantalum Polymer
COTS
541 =
Polymer
COTS
Multiple
Anode
Rated
Capacitance Capacitance
Voltage
Code (pF)
Tolerance
(VDC)
First two digits K = ± 10% 2R5 = 2.5
represent
M = ±20% 003 = 3
significant
004 = 4
figures. Third
006 = 6.3
digit specifies
010 = 10
number of
016 = 16
zeros.
020= 20
025 = 25
035 = 35
050 = 50
063 = 63
* Select part numbers,
** Before voltage aging,
*** After voltage aging
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2077_T540-541 • 10/15/2018
2
KEMET Organic Capacitor (KO-CAP
®
) – High Reliability
T540/T541 COTS Polymer Electrolytic for High Reliability Applications, 2.5 – 63 VDC
Ordering Information – DLA Drawing
04052-
Drawing Number
04052
04051
002
Dash Number
A
Surge Current Option
See Part Number List Blank = 4 cycles +25°C ±5°C
Before Voltage Aging
A = 10 cycles +25°C ±5°C
After Voltage Aging
B = 10 cycles −55°C
+0°C/−5°C and +85°C ±5°C
After Voltage Aging
Performance Characteristics
Item
Operating Temperature
Rated Capacitance Range
Capacitance Tolerance
Rated Voltage Range
DF (120 Hz)
ESR (100 kHz)
Leakage Current
Performance Characteristics
−55°C to 125°C *
4.7 – 1,500 µF at 120 Hz/25°C
K Tolerance (10%), M Tolerance (20%)
2.5 – 63 V
≤ 10%
Refer to Part Number Electrical Specification Table
≤ 0.1C V (µA) at rated voltage after 5 minutes
* KEMET’s Polymer COTS (T540/T541 Series) capacitors are rated for operation between −55°C and +125°C. Parametric electrical performance remains
within stated specification limits after 1,000 hours of continuous operation and/or storage at +125°C. Long-term duty cycles or storage at or above
+125°C may result in an increase in ESR performance outside of the stated specification limits.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2077_T540-541 • 10/15/2018
3
KEMET Organic Capacitor (KO-CAP
®
) – High Reliability
T540/T541 COTS Polymer Electrolytic for High Reliability Applications, 2.5 – 63 VDC
Qualification
Test
Condition
Δ C/C
Endurance
105°C at rated voltage, 2,000 hours
125°C at 2/3 rated voltage, 2,000 hours
DF
DCL **
ESR
Δ C/C
Storage Life
125°C at 0 volts, 2,000 hours
DF
DCL **
ESR
60°C, 90% RH, 500 hours, rated voltage
60°C, 90% RH, 500 hours, no load
85°C, 85% RH, 1,000 hours, rated voltage ***
Δ C/C
DF
DCL
+25°C
Temperature Stability
Extreme temperature exposure at a
succession of continuous steps at +25°C,
−55°C, +25°C, +85°C, +125°C, +25°C
Δ C/C
DF
DCL
±5%
IL
IL
Δ C/C
Surge Voltage
105°C, 1.32 x rated voltage, 33Ω resistance,
1,000 cycles
DF
DCL
ESR
Mechanical Shock/
Vibration
Additional qualifcation
testing per
MIL-PRF-55365/8
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
Δ C/C
DF
DCL
Characteristics
Within −20/+10% of initial value
≤ initial limit
1.25 x IL at 125ºC
2 x IL (105ºC); 5 x IL (125ºC)
Within −20/+10% of initial value
Within initial limits
Within 2.0 x initial limit
Within 5.0 x initial limit
Within −5%/+35% of initial value
≤ initial limit
Within 1.5 x initial limit ***
Within 3.0 x initial limit
−55°C
±10%
IL
N/A
+85°C (1)
±20%
1.2 x IL
10 x IL
+125°C (2)
±30%
1.5 x IL
10 x IL
Humidity
Within −20/+5% of initial value
Within initial limits
Within initial limits
Within initial limits
Within ±10% of initial value
Within initial limits
Within initial limits
Please contact KEMET for more information
*IL = Initial limit
** The test voltage shall be maintained during the cool down from elevated test temperature to +25°C. After cool down, the capacitors shall be
discharged for a minimum of 5 minutes. DC leakage measurements are allowed at this time.
(1) ≥16V - ∆C/C = ±30%
(2) ≥16V - ∆C/C = ±40%
*** For Part Number with surge options 85, 86 and 87
Certification
DLA Drawing 04051 & 04052
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2077_T540-541 • 10/15/2018
4
KEMET Organic Capacitor (KO-CAP
®
) – High Reliability
T540/T541 COTS Polymer Electrolytic for High Reliability Applications, 2.5 – 63 VDC
Electrical Characteristics
ESR vs. Frequency
100
Impedance, ESR (Ohms)
10
1
0.1
T541D227M010AHE010_IMP
T541X337M010AHE010_IMP
T541D227M010AHE010_ESR
T541X337M010AHE010_ESR
T541X157M016AHE025_ESR
T541X157M016AHE025_IMP
Capacitance vs. Frequency
1,000
Capacitance (µF)
100
10
T541D227M010AHE010_CAP
T541X337M010AHE010_CAP
T541X157M016AH025_CAP
0.01
0.001
100
1
100
1,000
10,000 100,000 1,000,000 10,000,000
Frequency (Hz)
1,000
10,000 100,000 1,000,000 10,000,000
Frequency (Hz)
Dimensions – Millimeters (Inches)
Metric will govern
CATHODE (-) END VIEW
W
H
X
T
S
G
S
Termination cutout
at KEMET's option,
either end
SIDE VIEW
B
B
ANODE (+) END VIEW
BOTTOM VIEW
A
E
P
R
L
F
Case Size
KEMET
A
B
C
D
O
X
Y
EIA
3216-18
3528-21
6032-28
7343-31
Component Dimensions
L
W
H
F±0.1 S±0.3
B±0.15
±(0.004) ±(0.012) (Ref)±0.006
1.2
(0.047)
2.2
(0.087)
2.2
(0.087)
2.4
(0.095)
4.1
(0.161)
2.4
(0.095)
2.4
(0.095)
0.8
(0.031)
0.8
(0.031)
1.3
(0.051)
1.3
(0.051)
1.3
(0.051)
1.3
(0.051)
1.3
(0.051)
0.4
(0.016)
0.4
(0.016)
0.5
(0.020)
0.5
(0.020)
N/A
0.5
(0.020)
0.5
(0.020)
Typical
Weight
P
R
A
G
E
(Ref) (Ref) (Minimum) (Ref) (Ref)
1.2
(0.047)
1.9
(0.075)
3.1
(0.122)
3.8
(0.150)
3.8
(0.150)
3.8
(0.150)
3.8
(0.150)
1.1
1.3
(0.043) (0.051)
1.8
2.2
(0.071) (0.087)
2.8
2.4
(0.110) (0.095)
3.5
3.5
(0.138) (0.138)
3.5
3.5
(0.138) (0.138)
3.5
3.5
(0.138) (0.138)
3.5
3.5
(0.138) (0.138)
X
(Ref)
(mg)
53.17
98.30
193.46
307.51
696.00
410.89
378.06
3.2 ±0.2
1.6 ±0.2
1.6 ±0.2
(0.126 ±0.008) (0.063 ±0.008) (0.063 ±0.008)
3.5±0.2
2.8±0.2
1.9±0.2
(0.138±0.008) (0.110±0.008) (0.075±0.008)
6.0±0.3
3.2±0.3
2.5±0.3
(0.236±0.012) (0.126±0.012) (0.098±0.012)
0.10 ±0.10
0.4
0.4
(0.004 ±0.004) (0.016) (0.016)
0.10±0.10
0.5
1.0
(0.004±0.004) (0.020) (0.039)
0.10±0.10
0.9
1.0
(0.004±0.004) (0.035) (0.039)
0.10±0.10
0.9
1.0
(0.004±0.004) (0.035) (0.039)
0.10 ±0.10
N/A
N/A
(0.004±0.004)
0.10±0.10
1.7
1.0
(0.004±0.004) (0.067) (0.039)
0.10±0.10
1.7
1.0
(0.004±0.004) (0.067) (0.039)
7.3±0.3
4.3±0.3
2.8±0.3
(0.287±0.012) (0.169±0.012) (0.110±0.012)
7.3±0.3
6.0±0.3
4.0 ±0.3
7360-43
(0.287±0.012) (0.236±0.012) (0.157±0.012)
7.3±0.3
4.3±0.3
4.0±0.3
7343-43 (0.287±0.012) (0.169±0.012) (0.157±0.012)
7.3±0.3
4.3±0.3
3.8±0.2
7343-40 (0.287±0.012) (0.169±0.012) (0.150 ±0.008)
Notes: (Ref) – Dimensions provided for reference only.
These weights are provided as reference. If exact weights are needed, please contact your KEMET Sales Representative
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2077_T540-541 • 10/15/2018
5
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