T18
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Vishay
Wet Tantalum Capacitors, Ultra High Capacitance, Tantalum-Case
With Glass-to-Tantalum Hermetic Seal for -55 °C to +125 °C
FEATURES
• Enhanced performance, high reliability design
• Terminations: axial, standard tin / lead (SnPb),
100 % tin available
Available
• Model T18 tantalum-case electrolytic
capacitors provide all the advantages of
Available
Vishay’s SuperTan® series devices, while
offering improved reverse voltage and
vibration capability
• Increased thermal shock capability of
Available
300 cycles
• Designed for the avionics and aerospace applications
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
LINKS TO ADDITIONAL RESOURCES
3D 3D
3D Models
PERFORMANCE CHARACTERISTICS
Refer to: Typical Performance Characteristics
Operating Temperature: -55 °C to +85 °C
(to +125 °C with voltage derating)
Capacitance Tolerance: ± 10 %, ± 20 % standard
DC Leakage Current (DCL Max.): at +25 °C and above:
leakage current shall not exceed the values listed in the
Standard Ratings table.
Note
* This datasheet provides information about parts that are
RoHS-compliant and / or parts that are non RoHS-compliant. For
example, parts with lead (Pb) terminations are not RoHS-compliant.
Please see the information / tables in this datasheet for details
ORDERING INFORMATION
T18
D
108
M
E (1)
075
MODEL CASE CAPACITANCE CAPACITANCE
DC VOLTAGE
CODE
TOLERANCE RATING AT +85 °C
K = ± 10 %
M = ± 20 %
See
This is
Ratings expressed in
and picofarads. The
Case
first two digits
Codes
are the
table
significant
figures. The
third is the
number of
zeros to follow.
Z
TERMINATION
AND PACKAGING
S (2)
S
RELIABILITY /
INSULATING
SHOCK /
SLEEVE
VIBRATION LEVEL
This is expressed E = axial, tin / lead, bulk
in volts. To
C = axial, 100 % tin,
complete the
bulk
three-digit block, J = SMD, outside bend,
zeros precede the
tin / lead
voltage rating
K = SMD, outside bend,
100 % tin
L = SMD, inside bend,
tin / lead
M = SMD, inside bend,
100 % tin
Z = standard
H = high
ESR
S = sleeved
S=
U = unsleeved standard
L = low
Notes
• Packaging: the use of formed plastic trays for packing bulk components is standard
(1) J, K, L, M are available in T4. For all other case sizes, check with marketing
(2) Sleeve on J, K, L, M terminations shall be Kapton only
AXIAL PRODUCT DIMENSIONS in inches [millimeters]
E
L1
0.0253 ± 0.002 [0.64 ± 0.05] dia.
(no. 22 AWG) tinned nickel leads
solderable and weldable
CASE CODE
TYPE T18
ST
A
T1
B
T2
C
T3
D
T4
D
E
Weld
Tantalum
L2
D
L1
L2
(max.)
E
WEIGHT (g)
(max.)
0.188 ± 0.016
[4.78 ± 0.41]
0.281 ± 0.016
[7.14 ± 0.41]
0.375 ± 0.016
[9.52 ± 0.41]
0.375 ± 0.016
[9.52 ± 0.41]
0.453 + 0.031 / - 0.016
[11.51 + 0.79 / - 0.41]
0.641 + 0.031 / - 0.016
[16.28 + 0.79 / - 0.41]
0.766 + 0.031 / - 0.016
[19.46 + 0.79 / - 0.41]
1.062 + 0.031 / - 0.016
[26.97 + 0.79 / - 0.41]
0.734 [18.64]
1.500 ± 0.250
[38.10 ± 6.35]
2.250 ± 0.250
[57.15 ± 6.35]
2.250 ± 0.250
[57.15 ± 6.35]
2.250 ± 0.250
[57.15 ± 6.35]
2.6
0.922 [23.42]
1.047 [26.59]
1.343 [34.11]
6.2
11.6
17.7
Note
• For insulated parts, add 0.015" [0.38 mm] to the diameter. The insulation shall lap over the ends of the capacitor body
Document Number: 40161
1
For technical questions, contact: tantalum@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Revision: 14-Dec-2023
T18
www.vishay.com
Vishay
SMD PRODUCT DIMENSIONS in inches [millimeters]
Styles J, K
Styles L, M
Solder type
Term. code
SnPb
J
K
100 % tin (RoHS-compliant)
Solder type
Term. code
SnPb
L
M
100 % tin (RoHS-compliant)
L
L
L1
ØD
H2
H
H2
H
Tl x 2
Tw x 2
L1
ØD
Tl x 2
Tw x 2
A
CASE CODE
B
A
(max.)
B
(max.)
Tl
(max.)
H
(max.)
Tw ± 0.005
H2
(max.)
L
(max.)
L1
D
(max.)
T1
0.773
[19.6]
0.513
[13.0]
0.157
[4.0]
0.177
[4.5]
0.158
[4.0]
0.296
[7.5]
0.705
[17.9]
0.469 + 0.031 / -0.016
[11.91 + 0.79 / -0.41]
0.228
[5.8]
T4
1.432
[36.4]
1.140
[29.0]
0.157
[4.0]
0.295
[7.5]
0.331
[8.4]
0.492
[12.5]
1.343
[34.1]
1.062 + 0.031 / - 0.016
[26.97 + 0.79 / - 0.41]
0.397
[10.1]
TYPE T18
ST
A
D
Note
• Use appropriate adhesive between capacitor body and the board for improved mechanical strength
RATINGS AND CASE CODES
μF
50 V
60 V
75 V
100 V
22
A
86
B
110
125 V
A
120
C
150
C
180
B
220
C
240
D
400
D
470
C
750
900
D
D
C
940
D
1000
D
D
1200
D
D
Document Number: 40161
2
For technical questions, contact: tantalum@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Revision: 14-Dec-2023
T18
www.vishay.com
Vishay
STANDARD RATINGS
CAPACITANCE
AT +25 °C
CASE
CODE
120 Hz
(μF)
MAX. DCL
MAX. CAPACITANCE
AC RIPPLE
MAX. ESR MAX. IMP.
CHANGE AT (%)
(μA) AT
+85 °C
AT +25 °C AT -55 °C
40 kHz
120 Hz
120 Hz
+85
°C
/
-55 °C +85 °C +125 °C
+25 °C
(mARMS)
(Ω)
(Ω)
+125 °C
PART NUMBER
50 VDC AT 85 °C, 30 VDC AT 125 °C
110
A
T18A117(1)050(2)(3)(4)S
1.80
40.00
2
7.5
-40
14
16
1200
900
C
T18C907(1)050(2)(3)(4)S
0.90
10.00
15
125
-75
20
20
2100
60 VDC AT 85 °C, 40 VDC AT 125 °C
1000
D
T18D108(1)060(2)(3)(4)S
1200
D
T18D128(1)060(2)(3)(4)S
0.50
5.50
20
120
-60
10
15
2800
0.50
6.00
25
200
-70
20
30
2800
75 VDC AT 85 °C, 50 VDC AT 125 °C
180
B
T18B187(1)075(2)(3)(4)S
1.50
30.00
5
25
-35
15
20
1500
180
B
T18B187(1)075(2)(3)(4)L
0.75
30.00
5
25
-35
15
20
2200
470
C
T18C477(1)075(2)(3)(4)S
0.60
10.00
25
250
-45
10
25
3000
750
D
T18D757(1)075(2)(3)(4)S
0.50
6.50
20
120
-45
12
15
2800
940
D
T18D947(1)075(2)(3)(4)S
0.50
8.00
20
200
-60
12
20
2800
1000
D
T18D108(1)075(2)(3)(4)S
0.50
8.00
20
200
-60
12
20
2800
1000
D
T18D108(1)075(2)(3)(4)L
0.35
8.00
20
200
-60
12
20
3500
1200
D
T18D128(1)075(2)(3)(4)S
0.50
8.00
30
250
-70
20
30
2800
100 VDC AT 85 °C, 65 VDC AT 125 °C
22
A
T18A226(1)100(2)(3)(4)S
3.00
100.00
1
5
-15
6
12
950
86
B
T18B866(1)100(2)(3)(4)S
1.60
30.00
2
20
-20
6
12
1400
220
C
T18C227(1)100(2)(3)(4)S
1.40
18.00
5
25
-55
10
15
1800
400
D
T18D407(1)100(2)(3)(4)S
0.70
10.00
15
120
-50
8
15
2500
470
D
T18D477(1)100(2)(3)(4)S
0.70
10.00
25
250
-50
10
25
2500
120
C
T18C127(1)125(2)(3)(4)S
1.80
40.00
3
25
-45
5
12
2100
150
C
T18C157(1)125(2)(3)(4)S
2.00
25.00
7
50
-45
8
15
1500
240
D
T18D247(1)125(2)(3)(4)S
0.80
20.00
15
150
-35
6
12
2400
125 VDC AT 85 °C, 85 VDC AT 125 °C
Note
• Part number definitions:
(1) Capacitance tolerance: K, M
(2) Termination / packaging: C = 100 % tin, bulk; E = standard, tin / lead, bulk; J = SMD, outside bend, tin / lead; K = SMD, outside bend,
100 % tin; L = SMD, inside bend, tin / lead; M = SMD, inside bend, 100 % tin
(3) Reliability level: Z = standard (non-ER / 500 g / 50 g / 53.79 g), H = high (non-ER / 500 g / 80 g / 53.79 g)
(4) Insulating sleeve: S = sleeved; U = unsleeved
Document Number: 40161
3
For technical questions, contact: tantalum@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Revision: 14-Dec-2023
T18
www.vishay.com
Vishay
TYPICAL PERFORMANCE CHARACTERISTICS OF T18 CAPACITORS
ELECTRICAL CHARACTERISTICS
ITEM
PERFORMANCE CHARACTERISTICS
Operating temperature range
-55 °C to +85 °C (to +125 °C with voltage derating)
Capacitor tolerance
± 20 %, ± 10 % at 120 Hz, at +25 °C
Capacitor change by temperature
Limit per Standard Ratings table
ESR
Limit per Standard Ratings table, at +25 °C, 120 Hz
Impedance
Limit per Standard Ratings table, at -55 °C, 120 Hz
DCL (leakage current)
Limit per Standard Ratings table
AC ripple current
Limit per Standard Ratings table, at +85 °C and 40 kHz
Reverse voltage
Reverse voltage shall be in accordance with MIL-PRF-39006, paragraphs 3.23 and 4.8.19, except DC
potential will be maximum of 1.5 V.
Surge voltage
Surge voltage shall be in accordance with MIL-PRF-39006. The DC rated surge voltage is the
maximum voltage to which the capacitors can be subjected under any conditions including transients
and peak ripple at the highest line voltage.
The DC surge voltage is 115 % of rated DC voltage, except the applicable surge voltage for 125 V
ratings and ratings above 1000 μF is rated DC voltage.
After the test, the capacitors shall meet the following requirements:
a) DC leakage shall not exceed the specified value in catalog
b) Capacitance change shall be within +5 %, -20 % (-35 % for capacitance above 1000 μF) of initial
measured value
PERFORMANCE CHARACTERISTICS
ITEM
PERFORMANCE CHARACTERISTICS
Life testing
Capacitors shall be capable of withstanding a 2000 h life test at a temperature +85 °C at rated
voltage, or a 2000 h life test at 125 °C test at derated voltage.
After the test, the capacitors shall meet the following requirements:
a) DC leakage at 85 °C and 125 °C shall not exceed 125 % of the specified value
b) DC leakage at 25 °C shall not exceed the specified value
c) Capacitance shall be within + 10 %, - 20 % of initial value
ENVIRONMENTAL CHARACTERISTICS
ITEM
CONDITION
COMMENTS
Seal
MIL-PRF-39006
When the capacitors are tested as specified in MIL-PRF-39006,
there shall be no evidence of leakage.
Moisture resistance
MIL-PRF-39006
Moisture resistance shall be in accordance with MIL-PRF-39006.
Number of cycles: 10 continuous cycles
Barometric pressure
(reduced)
MIL-STD-202, method 105, condition E
Altitude 150 000 feet
Document Number: 40161
4
For technical questions, contact: tantalum@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Revision: 14-Dec-2023
T18
www.vishay.com
Vishay
MECHANICAL CHARACTERISTICS
ITEM
CONDITION
COMMENTS
Shock (specified pulse)
MIL-STD-202, method 213,
codes Z and H = test condition D (500 g)
The capacitors shall meet the requirements of MIL-PRF-39006.
Vibration, high frequency
MIL-STD-202, method 204,
code Z = test condition E (50 g peak)
code H = test condition H (80 g peak)
The capacitors shall meet the requirements of MIL-PRF-39006.
Random vibration
MIL-STD-202, method 214,
test condition II-K (53.79 g RMS)
The capacitors shall meet the requirements of MIL-PRF-39006.
Thermal shock
MIL-STD-202, method 107, condition A
Thermal shock shall be in accordance with MIL-PRF-39006 when
tested for 300 cycles.
Solderability
MIL-STD-202, method 208,
ANSI/J-STD-002, test A
Solderability shall be in accordance with MIL-PRF-39006.
Terminal strength
MIL-STD-202, method 211
Terminal strength shall be in accordance with MIL-PRF-39006.
Resistance to solder heat
MIL-STD-202, method 210, condition C
The capacitors shall meet the requirements of MIL-PRF-39006.
Terminals
MIL-STD-1276
Terminals shall be as specified in MIL-STD-1276. The length and
diameter of the terminals shall be as specified in Dimensions table.
All terminals shall be permanently secured internally and
externally, as applicable. All external joints shall be welded.
Marking
MIL-STD-1285
Marking of capacitors conforms to method I of MIL-STD-1285 and
include capacitance (in μF), capacitance tolerance letter, rated
voltage, date code, lot symbol and Vishay trademark.
SELECTOR GUIDES
Tantalum Selector Guide
www.vishay.com/doc?49054
Parameter Comparison Guide
www.vishay.com/doc?42088
Document Number: 40161
5
For technical questions, contact: tantalum@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Revision: 14-Dec-2023
Legal Disclaimer Notice
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Vishay
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Revision: 01-Jan-2023
1
Document Number: 91000