Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Overview
The T370 and T378 Micron MIL-PRF-49137/6 (CX06 Style)
capacitors are available in a variety of case styles and
sizes. These capacitors are designed to operate from
–55°C to +85°C at full voltage and to +125°C with derating.
The KEMET Micron is qualified under MIL-PRF-49137/6 as
military styles CX06 (T378 ).
The T370 capacitor is encapsulated in a molded, goldcolored epoxy. This encasement technique allows maximum
utilization of circuit board real estate, with precisely
centered leads in a microminiature case.
These molded packages also provide significant
improvements in overall dimensional consistency, as
well as lead wires precisely spaced to within 0.010
inches (0.25 mm). With KEMET's new molded packaging
design, these capacitors can now be marked using
a laser printing technique. The KEMET laser marking
system ensures legibility and permanency while offering a
complete alphanumeric print format. Laser print meets all
requirements of the Resistance to Solvents Test, Method 215
of MIL-STD-202.
Benefits
Applications
• Taped and reeled per EIA Specification RS-468
• Laser-marked case
• Qualified to MIL-PRF-49137/6, Style CX06 (T378 only)
• T370 capacitance values of 0.68 – 220 μF
• T378 capacitance values of 2.2 – 220 μF
• Tolerances of +40% −20%, ±5%, ±10% and ±20% standard
• Voltage rating of 3 – 35 VDC
• Operating temperature range of −55°C to +85°C at rated
voltage and up to 125°C with derating
• Case sizes: C, D, E, F
Typical applications include use in bypass, coupling, filtering,
and timing circuits.
T370
T378
One world. One KEMET
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
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Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Ordering Information – T370/T378
T
37X
D
475
M
035
A
S
Capacitor
Class
Series
Case
Size
Capacitance Code
(pF)
Capacitance
Tolerance
Rated Voltage
(VDC)
Failure Rate
Termination Finish
Packaging
T=
Tantalum
370
378
C,
D,
E,
F
First two digits
represent
significant
figures. Third digit
specifies number
of zeros to follow.
M = ±20%
K = ±10%
J = ±5%
L = 40%, −20%
003 = 3
004 = 4
006 = 6.3
010 = 10
015 = 15
020 = 20
025 = 25
035 = 35
Not Applicable
S = Standard
(solder-coated
nickel)
Blank = Bulk
7301 = Tape &
Reel
7305 = Ammo
7317 = Ammo
Ordering Information – Defense MIL-PRF-49137/6 (CX06 Style)
CX
06
D
335
K
Type
Style
Voltage
Capacitance Code
(pF)
Capacitance
Tolerance
Fixed, solid
tantalum, polar,
nonhermetically
sealed
capacitors.
06-T378
(Radial leads)
B=3V
C=4V
D=6V
F = 10 V
H = 15 V
J = 20 V
K = 25 V
M = 35 V
First two digits
represent
significant
figures. Third
digit specifies
number of
zeros to follow.
M = ±20%
K = ±10%
Performance Characteristics
Item
Operating Temperature
Rated Capacitance Range
Capacitance Tolerance
Rated Voltage Range
DF (120 Hz at 25°C)
Leakage Current
Performance Characteristics
−55°C to 125°C
T370: 0.68 – 220 μF at 120 Hz/25°C; T378: 2.2 – 220 μF at 120 Hz/25°C
M tolerance ±20% standard, L tolerance + 40%/−20%, J tolerance ±5%, K tolerance ±10%
3 – 35 V
Refer to Part Number Electrical Specification Table
Refer to Part Number Electrical Specification Table
(rated voltage up to +85°C and 2/3 of rated voltage applied at 125°C)
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
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Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Dimensions – Millimeters (Inches)
Metric will govern
T370
T378
W
T
H
1.375 ±0.125
(34.93 ±3.18)
S
1.625 ±1.25
(41.28 ±3.18)
(−)
(+)
Leads Lengths Both
0.350 ±0.050
(8.89 ±1.27)
S
D
Lead Spacing Lead Diameter
±0.010 (±0.25) ±0.001 (±0.03)
Case
Size
H
(MAXIMUM)
W
(MAXIMUM)
T
(MAXIMUM)
C
0.225
(5.72)
0.185
(4.7)
0.075
(1.91)
0.150
(3.81)
0.016
(0.41)
D
0.290
(7.37)
0.220
(5.59)
0.110
(2.79)
0.180
(4.57)
0.016
(0.41)
E
0.310
(7.87)
0.230
(5.84)
0.130
(3.30)
0.200
(5.08)
0.016
(0.41)
F
0.475
(12.07)
0.375
(9.53)
0.150
(3.81)
0.300
(7.62)
0.016
(0.41)
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
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Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Table 1 – Ratings & Part Number Reference
Case
Code
Case
Size
Rated
Voltage
Rated
Capacitance
(V) 85°C
µF
3
4
4
4
6
6
6
6
10
10
10
10
15
15
15
20
20
20
20
20
25
25
25
25
35
35
35
35
35
35
35
35
35
35
220.0
15.0
47.0
68.0
10.0
33.0
47.0
150.0
6.8
22.0
33.0
100.0
15.0
22.0
68.0
3.3
4.7
10.0
15.0
47.0
2.2
6.8
10.0
33.0
0.68
1.0
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
F
C
D
E
C
D
E
F
C
D
E
F
D
E
F
C
C
D
E
F
C
D
E
F
C
C
C
D
D
D
E
F
F
F
(V) 85°C
µF
Rated
Voltage
Rated Capacitance
Case
Size
Code
KEMET
Part Number
T370F227(1)003AS
T370C156(1)004AS
T370D476(1)004AS
T370E686(1)004AS
T370C106(1)006AS
T370D336(1)006AS
T370E476(1)006AS
T370F157(1)006AS
T370C685(1)010AS
T370D226(1)010AS
T370E336(1)010AS
T370F107(1)010AS
T370D156(1)015AS
T370E226(1)015AS
T370F686(1)015AS
T370C335(1)020AS
T370C475(1)020AS
T370D106(1)020AS
T370E156(1)020AS
T370F476(1)020AS
T370C225(1)025AS
T370D685(1)025AS
T370E106(1)025AS
T370F336(1)025AS
T370C684(1)035AS
T370C105(1)035AS
T370C155(1)035AS
T370D225(1)035AS
T370D335(1)035AS
T370D475(1)035AS
T370E685(1)035AS
T370F106(1)035AS
T370F156(1)035AS
T370F226(1)035AS
µA at 25°C
Maximum/5 Minutes
DC
Leakage
DC
Leakage
DF % at
25°C
µA at 25°C
Maximum/5 Minutes
9.0
1.0
2.0
3.0
1.0
2.0
3.0
9.0
1.0
2.0
3.0
9.0
2.0
3.0
9.0
1.0
1.0
2.0
3.0
9.0
1.0
2.0
3.0
9.0
1.0
1.0
1.0
2.0
2.0
2.0
3.0
9.0
9.0
9.0
120 Hz
Maximum
15
8.0
8.0
8.0
6.0
6.0
6.0
10.0
6.0
6.0
6.0
8.0
6.0
6.0
8.0
6.0
6.0
6.0
6.0
8.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
Ω at25°C
100 kHz Max
120 Hz Maximum
DF % at 25°C
ESR
CX06 CAPACITORS PER
MIL-PRF-49137/6
CX06
MILITARY
PART NUMBER
KEMET
MILITARY
PART NUMBER
CX06B227(2)
CX06C156(2)
CX06C476(2)
CX06C686(2)
CX06D106(2)
CX06D336(2)
CX06D476(2)
CX06D157(2)
CX06F685(2)
CX06F226(2)
CX06F336(2)
CX06F107(2)
CX06H156(2)
CX06H226(2)
CX06H686(2)
CX06J335(2)
CX06J475(2)
CX06J106(2)
CX06J156(2)
CX06J476(2)
CX06K225(2)
CX06K685(2)
CX06K106(2)
CX06K336(2)
CX06M684(2)
CX06M105(2)
CX06M155(2)
CX06M225(2)
CX06M335(2)
CX06M475(2)
CX06M685(2)
CX06M106(2)
CX06M156(2)
CX06M226(2)
B
(0.1)
T378F227(3)003AS
T378C156(3)004AS
T378D476(3)004AS
T378E686(3)004AS
T378C106(3)006AS
T378D336(3)006AS
T378E476(3)006AS
T378F157(3)006AS
T378C685(3)010AS
T378D226(3)010AS
T378E336(3)010AS
T378F107(3)010AS
T378D156(3)015AS
T378E226(3)015AS
T378F686(3)015AS
T378C335(3)020AS
T378C475(3)020AS
T378D106(3)020AS
T378E156(3)020AS
T378F476(3)020AS
T378C225(3)025AS
T378D685(3)025AS
T378E106(3)025AS
T378F336(3)025AS
T378C684(3)035AS
T378C105(3)035AS
T378C155(3)035AS
T378D225(3)035AS
T378D335(3)035AS
T378D475(3)035AS
T378E685(3)035AS
T378F106(3)035AS
T378F156(3)035AS
T378F226(3)035AS
C
(0.01)
MIL–PRF–39003 (CSS13 Style)
(1) To complete KEMET part number, insert L - +40%, −20%; M - 20%; K - ±10%; J - ±5%. Designates Capacitance tolerance.
(2) To complete miitary part number, insert M - ±20%, K - ±10%. Designates Capacitance tolerance.
(3) To complete KEMET part number, insert M - ±20%, K - ±10%. Designates Capacitance tolerance.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
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Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Recommended Voltage Derating Guidelines
85°C to 125°C
VR
66% of VR
120%
100%
% Working Voltage
% Change in Working
DC Voltage with
Temperature
−55°C to 85°C
80%
% Change in working DC voltage
with temperature
60%
67%
40%
20%
0%
-55
25
45
85
Temperature (°C)
105
125
Ripple Current/Ripple Voltage
Permissible AC ripple voltage and current are related to
equivalent series resistance (ESR) and the power dissipation
capabilities of the device. Permissible AC ripple voltage that
may be applied is limited by following criteria:
1. Dissipated power must not exceed the limits specified
for the Series.
2. The positive peak AC voltage plus the DC bias voltage,
if any, must not exceed the DC voltage rating of the
capacitor.
3. The negative peak AC voltage in combination with
bias voltage, if any, must not exceed the allowable limits
specified for reverse voltage.
Thermal capacities for the various case sizes have been
determined empirically and are listed below. The “ripple
voltage” permissible may be calculated from the impedance
and ESR data shown in the respective product section.
Case Size
Maximum Power Dissipation
(Pmax) Watts at 25°C
C
D
E
F
0.070
0.080
0.090
0.100
Using the P max of the device, the maximum allowable rms
ripple current or voltage may be determined.
I(max) = √P max/R
E(max) = Z √P max/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)
Temperature Compensation Multipliers
for Maximum Power Dissipation
T ≤ 25°C
1.00
T ≤ 85°C
0.90
T ≤ 125°C
0.40
T = Environmental temperature
The maximum power dissipation rating must be reduced with increasing
environmental operating temperatures. Refer to the Temperature
Compensation Multiplier table for details.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
5
Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Optimum Solder Wave Profile
Solder Wave Peak
Temperature 260ºC
Entrance to Solder Wave
Degrees – Cº
Flux Zone
250
225
200
175
150
125
100
75
50
25
Exit from Solder Wave
(Time in Wave – 2 to 4 Seconds)
Preheat Zone
Hot Air Debridging
Exit from
Solder
Machine
80ºC
to 120ºC
Entrance
to Solder
Machine
Free
Air
Cool
Bottom Side
Temperature
Range
Entrance to
In-Line Cleaner
Exit from
In-Line Cleaner
(time in cleaner
may be less)
Immersion in
Cleaning
Vapor
150ºC
Maximum
Top Side
Nominal
0
1
2
3
Time (Minutes)
4
5
6
Reverse Voltage
Although these are polar capacitors, some degree of transient voltage reversal is permissible, as seen below.
The capacitors should not be operated continuously in reverse mode, even within these limits.
Temperature
Pecentage of Rated Voltage
+25°C
+85°C
+125°C
15
5
1
Mounting
All encased capacitors will pass the Resistance to Soldering Heat Test of MIL–STD–202, Method 210, Condition C. This test
simulates wave solder of topside board mount product. This demonstration of resistance to solder heat is in accordance
with what is believed to be the industry standard. More severe treatment must be considered reflective of an improper
soldering process. The above figure is a recommended solder wave profile for both axial and radial leaded solid tantalum
capacitors.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
6
Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Capacitor Marking
T370
Capacitance
Value (pF code)
Voltage
Rating
T378
Capacitance
Tolerance
Military
Part Number
KEMET
Trademark
4 digit
Date Code
(Year/Week)
KEMET
Trademark
2 digit
Lot Code
Storage
Tantalum molded radial/axial capacitors should be stored in normal working environments. KEMET recommends that
maximum storage temperature not exceed 40°C and maximum storage humidity not exceed 60°C RH. Storage at high
temperature may cause a small, temporary increase in leakage current (measured under standard conditions), but the
original value is usually restored within a few minutes after application of rated voltage. Storage at high humidity may
increase capacitance and dissipation factor. Solderability will be degraded by exposure to high temperatures, high humidity,
corrosive atmospheres, and long term storage. For optimized solderability capacitors stock should be used promptly,
preferably within three years of receipt.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
7
Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Tape & Reel Packaging Information
KEMET offers Solid Tantalum Capacitors fully compatible for use with automatic insertion machines for radial-lead
components. Aris Reeling meets all requirements of EIA Standard RS-468. KEMET capacitors are wound on a precision made
ARIS Reel Package. ARIS Ammo Package is also available.
Table 2 – Packaging Quantity
T370
Case Size
Standard Bulk Standard Reel
Reel C-Spec
Quantity
Quantity
C
500
N/A
N/A
D
500
1,000
C-7301
E
500
1,000
C-7301
F
250
N/A
N/A
T378
Case Size
Standard Bulk Standard Reel
Reel C-Spec
Quantity
Quantity
C
200
N/A
N/A
D
200
1,000
C-7301
E
180
1,000
C-7301
F
50
N/A
N/A
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
8
Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
Figure 1
A1
P2
1
2
3
A
P
W2
F
W0
W
1
T370
2
T340**
3
T330**
D0
d
L1
T
P1
W1
H1
H
W2
P0
Dimension
Symbol
Nominal
mm (inch)
Tolerance
mm (inch)
Body Height (1)
A
10.50 (0.413)
±0.38 (±0.015) Maximum
Body Width (1)
A1
15.24 (0.600)
±0.38 (±0.015) Maximum
Sprocket Hole Diameter
D0
4.0 (0.157)
±0.3 (±0.012)
Lead Diameter
d
0.51 (0.020)
0.64 (0.025)
±0.05 (±0.001)
±0.03
Lead Center (5)
F
5.0 (0.197)
2.5 (0.098)
+0.8 (+0.032)
−0.2 (−0.008)
Component Base to Tape Center (2) (4) (6)
H
Lead Standoff Height
H0
Component Height Above Tape Center
H1
32.25 (1.270)
Maximum
Component Alignment Front to Rear
ΔH
0
±2.0 (±0.079)
16.0 – 21.0 (0.630 – 0.827)
Reference Only
N/A
Cut Out Length
L
11.0 (0.433)
Maximum
Lead Protrusion
L1
2.0 (0.079)
Maximum
Component Pitch (5)
P
12.7 (0.500)
±1.0 (±0.039)
Sprocket Hole Pitch (3)
P0
12.7 (0.500)
±0.03 (±0.012)
Sprocket Hole Center to Lead Center (4) (5)
P1
Sprocket Hole Center to Component Center
P2
6.35 (0.250)
±1.31 (±0.051)
Body Thickness
T0
6.35 (0.250)
±1.3 Maximum
3.85 (0.152)
4.76 (0.188)
5.1 (0.201)
±0.7 (±0.028)
Total Tape Thickness
T
0.7 (0.28)
±0.02 (±0.008)
Carrier Tape Width
W
18.0 (0.709)
+1.0/−0.5 (+0.039/−0.020)
Hold-Down Tape Width
W0
Sprocket Hole Location
W1
Hold-Down Tape Location
W2
15 (0.561)
6 (0.236)
9.0 (0.354)
3.0 (0.118)
12.0 (0.472)
+1.0/−0.8 (+0.039/−0.031
+0.075/−0.5 (+0.030/−0.020)
Maximum
Notes:
(1) See Dimensions table for specific values per case size
(2) Reference only
(3) Cumulative pitch error ±1.0 mm (0.039") maximum in 20 consecutive sprocket hole locations.
(4) Measured at bottom of standoff.
(5) P, P1 and F measured at egress from carrier tape.
(6) H dimensions for T370 D and E 16.5mm ±0.5 mm (0.650" ±0.020")
On polar devices, the positive (+) lead exits from container first.
* Lead spacings are 2.5mm (0.098") center to center
** Lead spacings are 5.0mm (0.197") center to center.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2042_T370-T378 • 2/6/2019
9
Tantalum Through-Hole Capacitors – Molded Radial
T370 & T378 Micron MIL-PRF-49137/6 (CX06 Style)
KEMET Electronics Corporation Sales Offices
For a complete list of our global sales offi ces, please visit www.kemet.com/sales.
Disclaimer
All product specifi cations, statements, information and data (collectively, the “Information”) in this datasheet are subject to change. The customer is responsible for
checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed. All Information given
herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied.
Statements of suitability for certain applications are based on KEMET Electronics Corporation’s (“KEMET”) knowledge of typical operating conditions for such
applications, but are not intended to constitute – and KEMET specifi cally disclaims – any warranty concerning suitability for a specifi c customer application or use.
The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any
technical advice inferred from this Information or otherwise provided by KEMET with reference to the use of KEMET’s products is given gratis, and KEMET assumes
no obligation or liability for the advice given or results obtained.
Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component
failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards
(such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury
or property damage.
Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other
measures may not be required.
KEMET is a registered trademark of KEMET Electronics Corporation.
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T2042_T370-T378 • 2/6/2019
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