
T18
www.vishay.com Vishay
Revision: 21-Mar-2019 1Document Number: 40161
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
Wet Tantalum Capacitors, Ultra High Capacitance, Tantalum-Case
with Glass-to-Tantalum Hermetic Seal for -55 °C to +125 °C
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.
FEATURES
• Enhanced performance, high reliability design
• Terminations: axial, standard tin / lead (SnPb),
100 % tin available
• Model T18 tantalum-case electrolytic
capacitors provide all the advantages of
Vishay’s SuperTan® series devices, while
offering improved reverse voltage and
vibration capability
• Increased thermal shock capability of 300 cycles
• Designed for the avionics and aerospace applications
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
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
Note
• Packaging: the use of formed plastic trays for packing bulk components is standard
Note
• For insulated parts, add 0.015" [0.38 mm] to the diameter. The insulation shall lap over the ends of the capacitor body
Available
Available
Available
ORDERING INFORMATION
T18 D 108 M 075 E Z S S
MODEL CASE
CODE
CAPACITANCE CAPACITANCE
TOLERANCE
DC VOLTAGE RATING
AT +85 °C
TERMINATION
AND PACKAGING
RELIABILITY /
SHOCK /
VIBRATION LEVEL
INSULATING
SLEEVE
ESR
See
Ratings
and
Case
Codes
table
This is
expressed in
picofarads. The
first two digits
are the
significant
figures. The
third is the
number of
zeros to follow
K = ± 10 %
M = ± 20 %
This is expressed in
volts. To complete the
three-digit block,
zeros precede the
voltage rating
E = tin / lead, bulk,
standard
C = 100 % tin, bulk
Z = standard
H = high
S = sleeved
U = unsleeved
S =
standard
L = low
DIMENSIONS in inches [millimeters]
CASE CODE DL
1L2
(max.) E WEIGHT (g)
(max.)
TYPE T18 ST
A T1
0.188 ± 0.016
[4.78 ± 0.41]
0.453 + 0.031 / - 0.016
[11.51 + 0.79 / - 0.41] 0.734 [18.64] 1.500 ± 0.250
[38.10 ± 6.35] 2.6
B T2
0.281 ± 0.016
[7.14 ± 0.41]
0.641 + 0.031 / - 0.016
[16.28 + 0.79 / - 0.41] 0.922 [23.42] 2.250 ± 0.250
[57.15 ± 6.35] 6.2
C T3
0.375 ± 0.016
[9.52 ± 0.41]
0.766 + 0.031 / - 0.016
[19.46 + 0.79 / - 0.41] 1.047 [26.59] 2.250 ± 0.250
[57.15 ± 6.35] 11.6
D T4
0.375 ± 0.016
[9.52 ± 0.41]
1.062 + 0.031 / - 0.016
[26.97 + 0.79 / - 0.41] 1.343 [34.11] 2.250 ± 0.250
[57.15 ± 6.35] 17.7
D
EE
L2
L1
0.0253 ± 0.002 [0.64 ± 0.05] dia.
(no. 22 AWG) tinned nickel leads
solderable and weldable
Weld
Tantalum

T18
www.vishay.com Vishay
Revision: 21-Mar-2019 2Document Number: 40161
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
Notes
• Part number definitions:
(1) Capacitance tolerance: K, M
(2) Termination / packaging: C = 100 % tin, bulk; E = standard, tin / lead, bulk
(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
(1) Rating in development, contact factory for availability
TYPICAL PERFORMANCE CHARACTERISTICS OF T18 CAPACITORS
STANDARD RATINGS
CAPACITANCE
AT +25 °C
120 Hz
(μF)
CASE
CODE PART NUMBER
MAX. ESR
AT +25 °C
120 Hz
()
MAX. IMP.
AT -55 °C
120 Hz
()
MAX. DCL
(μA) AT
MAX. CAPACITANCE
CHANGE AT (%) AC RIPPLE
+85 °C
40 kHz
(mARMS)
+25 °C +85 °C /
+125 °C -55 °C +85 °C +125 °C
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 1500
60 VDC AT 85 °C, 40 VDC AT 125 °C
1000 D T18D108(1)060(2)(3)(4)S 0.50 5.50 20 120 -60 10 15 3500
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 2000
180 B T18B187(1)075(2)(3)(4)L 0.75 30.00 5 25 -35 15 20 2000
750 D T18D757(1)075(2)(3)(4)S 0.50 6.50 20 120 -45 12 15 3500
940 D T18D947(1)075(2)(3)(4)S 0.50 8.00 20 200 -60 12 20 3500
1000 D T18D108(1)075(2)(3)(4)S 0.50 8.00 20 200 -60 12 20 3500
1000 D T18D108(1)075(2)(3)(4)L 0.35 8.00 20 200 -60 12 20 3500
1200 D (1) T18D128(1)075(2)(3)(4)S 0.80 8.00 25 250 -70 16 30 3500
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 1200
86 B T18B866(1)100(2)(3)(4)S 1.60 30.00 2 20 -20 6 12 2000
220 C T18C227(1)100(2)(3)(4)S 1.40 18.00 5 25 -55 10 15 2500
400 D T18D407(1)100(2)(3)(4)S 0.70 10.00 15 120 -50 8 15 3500
470 D T18D477(1)100(2)(3)(4)S 0.70 10.00 25 250 -50 10 25 3500
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.
After the test, the capacitors shall meet the following requirements:
a) DC leakage shall not exceed the specified value in catalog
b) Capacitance shall be within +5 %, -20 % of initial value

T18
www.vishay.com Vishay
Revision: 21-Mar-2019 3Document Number: 40161
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
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
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?49375
Parameter Comparison Guide www.vishay.com/doc?42088

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www.vishay.com Vishay
Revision: 01-Jan-2019 1Document Number: 91000
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