Tantalum Surface Mount Capacitors – High Reliability
T428 High Reliability Alternative High Volumetric
Efficiency Facedown MnO
2
Overview
The KEMET T428 was developed to provide the volumetric
efficiency of a conformally coated capacitor in a pick-
and-place friendly molded package. The planerity of the
molded package eliminates the "drops" associated with the
conformally coated tantalum surface mount devices. This
new package design offers the highest CV/cc of any molded
leadframe product. In addition, the facedown construction
offers higher power ratings per cc. The robust design
features and testing protocol make this part suitable for
application in the telecommunications, industrial, defense,
and aerospace markets.
Benefits
•
•
•
•
•
•
High CV/cc
Tape & Reel standard packaging per EIA 481
Laser-marked case
100% surge current test available
Extended range values
Pick-and-place friendly
Applications
Typical applications include decoupling and filtering in telecommunications, computer, industrial, defense, and aerospace
applications.
Environmental Compliance
RoHS Compliant when ordered with 100% Sn or Ni-Pd-Au.
• Halogen-free
• Epoxy compliant with UL94 V-0
• Molded Epoxy complies for outgassing testing under ASTM E 595.
Built Into Tomorrow
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2058_T428 • 10/12/2021
1
Tantalum Surface Mount Capacitors – High Reliability
T428 High Reliability Alternative High Volumetric Efficiency Facedown MnO
2
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
Capacitor
Class
T=
Tantalum
428
Series
High
volumetric
efficiency
facedown
Hi-Rel MnO
2
COTS
P
Case
Size
P
337
K
010
Rated
Voltage
(VDC)
004 = 4
006 = 6.3
010 = 10
016 = 16
020 = 20
025 = 25
035 = 35
050 = 50
A
Failure Rate/
Design
A = N/A
B = 0.1%/
1,000 hours
H
Termination
Finish
H = Standard
solder-coated
(SnPb 5% Pb)
61
Surge
61 = None
62 = 10 cycles,
25°C
63 = 10 cycles,
−55°C and 85°C
10
ESR
10 = Standard
20 = Low
30 = Ultra-low
Capacitance Capacitance
Code (pF)
Tolerance
First two
digits
represent
significant
figures.
Third digit
specifies
number of
zeros.
J = ±5%
K = ±10%
M = ±20%
Performance Characteristics
Item
Operating Temperature
Rated Capacitance Range
Capacitance Tolerance
Rated Voltage Range
DF (120 Hz)
ESR (100 kHz)
Leakage Current
−55°C to 125°C
15 – 470 μF at 120 Hz/25°C
J Tolerance (5%), K Tolerance (10%), M Tolerance (20%)
4 – 50 V
Refer to Part Number Electrical Specification Table
Refer to Part Number Electrical Specification Table
≤ 0.01 CV (µA) at rated voltage after 5 minutes
Performance Characteristics
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2058_T428 • 10/12/2021
2
Tantalum Surface Mount Capacitors – High Reliability
T428 High Reliability Alternative High Volumetric Efficiency Facedown MnO
2
Qualification
Test
Endurance
Condition
Δ C/C
85°C at rated voltage, 2,000 hours
125°C at 2/3 rated voltage, 2,000 hours
DF
DCL
ESR
Δ C/C
DF
DCL
ESR
Δ C/C
MIL–STD–202, Method 107, Condition B, mounted,
−55°C to 125°C, 1,000 cycles
DF
DCL
ESR
+25°C
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
85°C, 1.32 x rated voltage 1,000 cycles
(125°C, 1.2 x rated voltage)
IL*
IL
IL
Δ C/C
DF
DCL
ESR
Δ C/C
DF
DCL
Characteristics
Within ±10% of initial value
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
−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
Storage Life
125°C at 0 volts, 2,000 hours
Thermal Shock
Temperature Stability
Within ±5% 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
Mechanical Shock/
Vibration
Additional Qualification
Tests per MIL–PRF–
55365/8
*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
Please contact KEMET for more information.
Certification
MIL–PRF–55365/8
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2058_T428 • 10/12/2021
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Tantalum Surface Mount Capacitors – High Reliability
T428 High Reliability Alternative High Volumetric Efficiency Facedown MnO
2
Electrical Characteristics
Impedance & ESR vs. Frequency
10
T428P390uF6V Z
T428P390uF6V ESR vs. f
T428P330uF10V Z
T428P330uF10V ESR vs. f
T428P180uF16V Z
T428P180uF16V ESR vs. f
T428P68uF25V Z
T428P68uF25V ESR vs. f
T428P15uF50V Z
T428P15uF50V ESR vs. f
Impedance & ESR
1
0
0
100
1,000
10,000
100,000
1,000,000
10,000,000
100,000,000
f (Hz)
Capacitance vs. Frequency
10,000
T428P390uF6V
T428P330uF10V
T428P180uF16V
1,000
T428P68uF25V
T428P15uF50V
Capacitance (µF)
100
10
1
100
1,000
10,000
100,000
1,000,000
10,000,000
f (Hz)
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2058_T428 • 10/12/2021
4
Tantalum Surface Mount Capacitors – High Reliability
T428 High Reliability Alternative High Volumetric Efficiency Facedown MnO
2
Dimensions – Millimeters
END VIEW
SIDE VIEW
BOTTOM VIEW
H
A
W
L
F
S
S
Case
Size
EIA
7360-38
L Max
7.2
W ±0.3
6.0
Component
H ±0.3
3.5
F ±0.20
4.95
S ±0.20
1.6
A (Nom)
3.8
Typical
Weight
(mg)
0.86
These weights are provided as reference. If exact weights are needed, please contact your KEMET Sales Representative
Table 1 – Ratings & Part Number Reference
Rated Rated
Voltage Cap
VDC at 85°C
4
6.3
6.3
10
16
16
20
25
35
50
µF
470
390
470
330
180
220
150
68
22
15
Case
Code/
Case Size
KEMET/EIA
P/7360-38
P/7360-38
P/7360-38
P/7360-38
P/7360-38
P/7360-38
P/7360-38
P/7360-38
P/7360-38
P/7360-38
KEMET Part
Number
(See below for
part options)
T428P477(1)004(2)(3)(4)(5)
T428P397(1)006(2)(3)(4)(5)
T428P477(1)006(2)(3)(4)(5)
T428P337(1)010(2)(3)(4)(5)
T428P187(1)016(2)(3)(4)(5)
T428P227(1)016(2)(3)(4)(5)
T428P157(1)020(2)(3)(4)(5)
T428P686(1)025(2)(3)(4)(5)
T428P226(1)035(2)(3)(4)(5)
T428P156(1)050(2)(3)(4)(5)
DC
Leakage
μA at +25°C
Maximum/
5 Minutes
18.8
24.6
29.6
33.0
28.8
35.2
30.0
17.0
7.7
7.5
DF
% at +25°C
120 Hz
Maximum
10.0
8.0
10.0
8.0
8.0
8.0
8.0
6.0
6.0
6.0
Standard
ESR
mΩ at +25°C
100 kHz
Maximum
130
130
120
130
130
120
140
200
280
400
Low
ESR
mΩ at +25°C
100 kHz
Maximum
45
45
50
45
55
55
100
95
220
350
Ultra-
Low ESR
Ω at +25°C
100 kHz
Maximum
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Maximum
Operating
Temp
°C
125
125
125
125
125
125
125
125
125
125
MSL
Reflow Temp.
≤ 260°C
1
1
1
1
1
1
1
1
1
1
(1) To complete KEMET part number, insert M for ±20%, K for ±10% or J for ±5%. Designates capacitance tolerance.
(2) To complete KEMET part number, insert B (0.1%/1,000 hours) or A = N/A.
(3) To complete KEMET part number, insert H = Solder-plated. Designates termination finish.
(4) To complete KEMET part number, insert 61 = none, 62 = 10 cycles +25°C, 63 = 10 cycles
−55°C
+85°C after Weibull or 64 = 10 cycles
−55°C
+85°C
before Weibull. Designates surge current option.
(5) To complete KEMET part number, insert 10 = standard, 20 = lLow or 30 = ultra-low. Designates ESR option.
Please refer to Ordering Information for additional details.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2058_T428 • 10/12/2021
5
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