
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300 21
Solid Tantalum Surface Mount
SOLID TANTALUM CHIP CAPACITORS
T494 SERIES — Low ESR, Industrial Grade
CAPACITOR OUTLINE DRAWING
FEATURES
• Low ESR values in EIA 535BAAC sizes
• Taped and Reeled per EIA 481-1
• Symmetrical, Compliant Terminations
• Optional Gold-plated Terminations
• Laser-marked Case
• 100% Surge Current test on C, D, E, U, V, X sizes
• Capacitance: 0.1 F to 1000 F
• Tolerance: ±10%, ±20%
• Voltage: 3-50 VDC
• Extended Range Values
• New Low Profile Case Sizes
STANDARD T494 DIMENSIONS
Millimeters (inches)
T494 ORDERING INFORMATION
W
K
X
CATHODE (-) END
VIEW
SIDE VIEW ANODE (+) END
VIEW
T
G
S
S
B
B
HH
BOTTOM VIEW
E F
A
L
Termination
cutout at
KEMETs
Option,
either end
R
P
LOW PROFILE T494 DIMENSIONS
Millimeters (inches)
CASE SIZE COMPONENT
KEMET
A
B
C
D
X
E
EIA
3216-18
3528-21
6032-28
7343-31
7343-43
7260-38
L* W*
3.2 ± 0.2
(.126 ± .008)
3.5 ± 0.2
(.138 ± .008)
6.0 ± 0.3
(.236 ± .012)
7.3 ± 0.3
(.287 ± .012)
7.3 ± 0.3
(.287 ± .012)
7.3 ± 0.3
(.287 ± .012)
1.6 ±0.2
(.063 ±.008)
2.8 ± 0.2
(.110 ± .008)
3.2 ± 0.3
(.126 ± .012)
4.3 ± 0.3
(.169 ± .012)
4.3 ± 0.3
(.169 ± .012)
6.0 ± 0.3
(.236 ± .012)
H*
1.6 ± 0.2
(.063 ± .008)
1.9 ± 0.2
(.075 ± .008)
2.5 ± 0.3
(.098 ± .012)
2.8 ± 0.3
(.110 ± .012)
4.0 ± 0.3
(.157 ± .012)
3.6 ± 0.2
(.142 ± .008)
Notes: 1. Metric dimensions govern.
2. (Ref) - Dimensions provided for reference only.
* Mil-C-55365/8 Specified Dimensions
** Round Glue Pad: 2.9 ±0.1mm (0.114" ±0.004") in diameter at KEMET’s option
K*
± 0.20
± (.008)
0.9
(.035)
1.1
(.043)
1.4
(.055)
1.5
(.059)
2.3
(.091)
2.3
(.091)
± 0.1
F*
± (.004)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
2.4
(.094)
4.1
(.161)
CASE SIZE COMPONENT
KEMET
Notes: 1. Metric dimensions govern.
2. (Ref) - Dimensions provided for reference only.
3. No dimensions provided for B, P or R because low profile cases do not have a bevel or a notch.
EIA
2012-12
R
3216-12
S
3528-12
T
6032-15
U
7343-20
V
L
2.0 ± 0.2
(.079 ± .008)
3.2 ± 0.2
(.126 ± .008)
3.5 ± 0.2
(.138 ± .008)
6.0 ± 0.3
(.236 ± .012)
7.3 ± 0.3
(.287 ± .012)
W
1.3 ± 0.2
(.051 ± .008)
1.6 ± 0.2
(.063 ± .008)
2.8 ± 0.2
(.110 ± .008)
3.2 ± 0.3)
(.126 ± .012)
4.3 ± 0.3
(.169 ± .012)
H Max.
1.2
(.047)
1.2
(.047)
1.2
(.047)
1.5
(.059)
2.0
(.079)
Min.
K
0.3
(.012)
0.3
(.012)
0.3
(.012)
0.5
(.020)
0.9
(.035)
± 0.1
0.9
1.2
2.2
2.2
2.4
B
(Ref)
± 0.15
± (.006)
0.4
(.016)
0.4
(.016)
0.5
(.020)
0.5
(.020)
0.5
(.020)
0.5
(.020)
± 0.3
S
0.5
(.020)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
X
(Ref)
0.10 ± 0.10
(.004 ± .004)
0.10 ± 0.10
(.004 ± .004)
0.10 ± 0.10
(.004 ± .004)
0.10 ± 0.10
(.004 ± .004)
0.10 ± 0.10
(.004 ± .004)
0.10 ± 0.10
(.004 ± .004)
X
(Ref
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
P
(Ref)R(Ref)T(Ref)A(Min)G(Ref)E(Ref)
0.4
(.016)
0.5
(.020)
0.9
(.035)
0.9
(.035)
1.7
(.067)
0.9
(.035)
T
(Ref)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
± 0.3
S*
± (.012)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
1.3
(.051)
1.3
(.051)
F
(.035)
(.047)
(.087)
(.087)
(.094)
(.016)
(.039)
(.039)
(.039)
(.039)
(.039)
0.4
1.0
1.0
1.0
1.0
1.0
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
A
(Min)
0.8
(.031)
0.8
(.031)
1.1
(.043)
2.5
(.098)
3.8
(.150)
KEMET
0.8
1.1
(.043)
1.8
(.071)
2.8
(.110)
3.5
(.138)
3.5**
(.138)
3.5
(.138)
E
(Ref)
0.8
(.031)
1.3
(.051)
2.2
(.087)
2.4
(.094)
3.5
(.138)
1.3
(.051)
2.2
(.087)
2.4
(.094)
3.5
(.138)
3.5**
(.138)
3.5
(.138)
(.031)
1.1
(.043)
2.5
(.098)
3.8
(.150)
3.8
(.150)
3.8
(.150)
G
(Ref)
0.5
(.020)
1.1
(.043)
1.8
(.071)
2.8
(.110)
3.5
(.138)
®
M105494 A035TB S*
Tantalum
Series
T494 - Low ESR, Industrial Grade
Case Size
A, B, C, D, E, R, S, T, U, V, X
Capacitance Picofarad Code
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
*Part number example: T494B105M035AS (14 digits - no spaces)
S - Standard Solder -Coated (90% Sn/10% Pb)
G - Gold Plated (A, B, C, D, X only)
T - 100% Tin (Sn) Plated and Reflowed
Capacitance Tolerance
Lead Material
Failure Rate
A - Not
Applicable
Voltage
M - ± 20%
K - ±10%

KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
SOLID TANTALUM CHIP CAPACITORS
T494 SERIES—Low ESR, Industrial Grade
22
T494 RATINGS & PART NUMBER REFERENCE
**6 Volt product equivalent to 6.3 volt product.
(1) To complete KEMET Part Number, insert M for ±20% tolerance or K for ±10% tolerance.
Higher voltage ratings, lower ESR, and tighter capacitance tolerance product may be
substituted within the same size at KEMET's option. Voltage substitutions will be marked
with the higher voltage rating.
#Maximum Capacitance Change @ 125ºC=+15%.
†Maximum Capacitance Change @ 125ºC=+20%.
10 Volt Rating at +85ºC (7 Volt Rating at +125ºC)
**6 Volt Rating at +85ºC (4 Volt Rating at +125ºC)
#1000.0*XT494X108(1)004AS
3 Volt Rating at +85ºC (2 Volt Rating at +125ºC)
4 Volt Rating at +85ºC (2.7 Volt Rating at +125ºC)
**6 Volt Rating at +85ºC (4 Volt Rating at +125ºC)
Capaci-
tance
µF
Case
Size
KEMET
Part Number
DC
Leakage
µA @
25°C Max
DF %
@ +25ºC
120 Hz
Max
ESR Ω
@ +25ºC
100 kHz
Max
Capaci-
tance
µF
Case
Size
KEMET
Part Number
DC
Leakage
µA @
DF %
@ +25ºC
120 Hz
ESR
@ +25ºC
100 kHz

CAPACITOR MARKINGS
T494 Series — All Case Sizes
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300 23
Solid Tantalum Surface Mount
SOLID TANTALUM CHIP CAPACITORS
T494 SERIES—Low ESR, Industrial Grade
T494 RATINGS & PART NUMBER REFERENCE
**6 Volt product equivalent to 6.3 volt product.
(1) To complete KEMET Part Number, insert M for ±20% tolerance or K for ±10% tolerance.
Higher voltage ratings, lower ESR, and tighter capacitance tolerance product may be
substituted within the same size at KEMET's option. Voltage substitutions will be marked
with the higher voltage rating.
#Maximum Capacitance Change @ 125ºC=+15%.
†Maximum Capacitance Change @ 125ºC=+20%.
Capaci-
16 Volt Rating at +85ºC (10 Volt Rating at + 125ºC)
20 Volt Rating at +85ºC (13 Volt Rating at +125ºC)
50 Volt Rating at +85ºC (33 Volt Rating at +125ºC)
25 Volt Rating at +85ºC (17 Volt Rating at +125ºC)
35 Volt Rating at +85ºC (23 Volt Rating at +125ºC)
tance
µF
Case
Size
KEMET
Part Number
Leakage
µA @
@ +25ºC
120 Hz
@ +25ºC
100 kHz
Capaci-
tance
µF
Case
Size
KEMET
Part Number
DC
Leakage
µA @
25°C Max
DF %
@ +25ºC
120 Hz
Max
ESR Ω
@ +25ºC
100 kHz
Max
Polarity
Indicator (+)
(• Denotes T494)
Picofarad
Code
KEMET
I. D. Symbol
K
Rated
Voltage
107
10
227
Print Week Code:
1st Digit = Year
2nd & 3rd Digits = Week
2
27" = The 27th week of 200
"
2
#15.0 *X T494X156(1)050AS 7.5 6.0 0.4
Silver Adhesive
Silver Paint
(Third Layer)
*Termination Solder Coating 90 Sn/10Pb
Washer
Polarity
Stripe (+)
Positive
Termination*
Polarity
Bevel (+)
Tantalum
Wire
Weld
Molded
Case
Tantalum
(Ta2O5)
Negative
Termination*
Mn0
2
Coat
(First Layer)
Carbon
(Second Layer)

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