SOLID TANTALUM CHIP CAPACITORS
T491 SERIES - Precision Molded Chip
FEATURES
•
•
•
•
•
•
•
•
Meets or Exceeds EIA Standard 535BAAC
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
Halogen Free Epoxy
Capacitance: 0.1 F to 1000 F
CATHODE (-) END
VIEW
W
SIDE VIEW
B
B
H
K
X
S
T
G
S
•
•
•
•
•
•
Tolerance: ±10%, ±20%
Voltage: 2.5-50 VDC
Extended Range Values
Low Profile Case Sizes
RoHS Compliance & Lead Free Terminations
(See www.kemet.com for transition information)
Operating Temperature: -55˚C to +125˚C
CAPACITOR OUTLINE DRAWING
ANODE (+) END
VIEW
BOTTOM VIEW
E
P
P
R
Termination
cutout at
KEMETs
Option,
either end
F
A
L
STANDARD T491 DIMENSIONS
Millimeters (inches)
Case Size
KEMET
A
B
C
D
X
E
EIA
3216-18
3528-21
6032-28
7343-31
7343-43
7260-38
L*
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)
W*
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)
F*
± 0.1
± (.004)
Component
S*
± 0.3
± (.012)
B
± 0.15
(Ref) ± .006
0.4
(.016)
0.4
(.016)
0.5
(.020)
0.5
(.020)
0.5
(.020)
0.5
(.020)
X
(Ref)
P
(Ref)
R
(Ref)
T
(Ref)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
A
(Min)
G
(Ref)
E
(Ref)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
2.4
(.094)
4.1
(.161)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
1.3
(.051)
1.3
(.051)
0.10 ± 0.10
0.4
0.4
(.004 ± .004) (.016) (.016)
0.10 ± 0.10
0.5
1.0
(.004 ± .004) (.020) (.039)
0.10 ± 0.10
0.9
1.0
(.004 ± .004) (.035) (.039)
0.10 ± 0.10
0.9
1.0
(.004 ± .004) (.035) (.039)
0.10 ± 0.10
1.7
1.0
(.004 ± .004) (.067) (.039)
0.10 ± 0.10
0.9
1.0
(.004 ± .004) (.035) (.039)
1.4
1.1
1.3
(.055) (.043) (.051)
1.1
1.8
2.2
(.043) (.071) (.087)
3.1
2.8
2.4
(.122) (.110) (.094)
3.8
3.5
3.5
(.150) (.138) (.138)
3.8
3.5
3.5
(.150) (.138) (.138)
3.8
3.5
3.5
(.150) (.138) (.138)
Notes: 1. Metric dimensions govern
2. (Ref) Dimensions provided for reference only
* Mil-PRF-55365/8 Specified Dimensions
LOW PROFILE T491 DIMENSIONS
Millimeters (inches)
Case Size
KEMET
R
S
T
U
V
EIA
2012-12
3216-12
3528-12
6032-15
7343-20
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)
Component
F*
± 0.1
± (.004)
S*
± 0.3
± (.012)
X
(Ref)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
T
(Ref)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
A
(Min)
G
(Ref)
E
(Ref)
0.9
(.035)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
0.5
(.020)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
0.8
0.5
0.8
(.031) (.020) (.031)
1.4
1.1
1.3
(.055) (.043) (.051)
1.1
1.8
2.2
(.083) (.071) (.087)
3.1
2.8
2.4
(.122) (.110) (.094)
3.8
3.5
3.5
(.150) (.138) (.138)
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.
T
Tantalum
Series
491 – Industrial
Case Size
A,B,C,D,E,R,S,T,U,V,X
491
T491 ORDERING INFORMATION
S
685
K
004
A
T
Lead Material
T = 100% Matte Tin (Sn) Plated*
H = Standard Solder Coated
(SnPb 5% Pb minimum)
G = Gold Plated (A,B,C,D,X only
Failure Rate
A = Not Applicable
Voltage
As Shown
Capacitance Tolerance
M = ±20%
*Part number example: T491B105M035AT (14 digits - no spaces). See www.kemet.com for Pb Free transition.
** “S” Termination codes are converting from 90Sn/10 Pb to 100% tin finishes. Orders including “S” suffix
K = ±10%
termination codes do not quarantee Pb-free product.
Capacitance Picofarad Code
First two digits represent
significant figures. Third digit
specifies number of zeros.
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
15
Solid Tantalum Surface Mount
SOLID TANTALUM CHIP CAPACITORS
T491 SERIES—Precision Molded Chip
T491 TANTALUM CHIP CAPACITANCE VALUES
Case Size by Capacitance and Voltage
Capacitance
µF
0.10
0.15
0.22
0.33
0.47
0.68
1.0
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
470.0
680.0
1000.0
Code
104
154
224
334
474
684
105
155
225
335
475
685
106
156
226
336
476
686
107
157
227
337
477
687
108
T
A
A
A
S/A
R/S
A/B
S/T
A/B
S/T
A/B/C
T/U
A/B/C
T/U
A/B/C
U/A
B/C/D
T/U/A
B/C/D
V/B
C/D
V/B
V/C/D
D/X
D/X
X/E
R/A
A
S/A
R/S
A/B
R/S/T
A/B
S/T
A/B/C
U/T
A/B/C
T/U
A/B/C
T/U/A
B/C/D
U/B
C/D
U/V
B/C/D
V/C/D
V/C
D/X
D/X
D/X/E
E
A
A/B
R/S/A
A
A
R/S/A
A/B
A
R/S/A
S/A
R/A/B
T/A/B
A/B/C
U/A/B/C
U/B/C
C/D
V/C/D
V/C/D
D
D/X
D/X/E
A
A
A
A/B
R/A/B
B/C
B/C
A/B/C
B/C
B/C/D
C/D
V/C/D
D/X
D/X
D/X
Rated Voltage @ +85°C
2.5
3
4
6
10
16
20
25
35
A
A
A
A
A/B
A/B
A/B
B/C
B/C
B/C
B/C/D
C/D
V/C/D
C/D/X
D/X
X
X/E
50
A
A/B
B
B
B/C
B/C
V/B/C
C/D
C/D
D
D
D/X
D/X
X
A/B
A/B/T
R/S
S/T
A/B/C
A/B
S/T/A
B/C/U
B/C
T/A
T/U
U/A/B/C
A/B/C
T/U
U/B
A/B/C
C/D
U/V/A
U/C/D
T/B/C/D
U/V
V/C/D
B/C/D
U/V
V/C/D
B/C/D
V/C/D
V/C
D/X
V/D/X
D/X/E
X/E
V/D/X
D/X
X
16
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
SOLID TANTALUM CHIP CAPACITORS
T491 SERIES - Precision Molded Chip
T491 RATINGS & PART NUMBER REFERENCE
Capaci-
tance
µF
100.0
220.0
#33.0
3.3
4.7
6.8
6.8
10.0
10.0
#10.0
#10.0
15.0
15.0
15.0
#15.0
22.0
22.0
#22.0
#22.0
22.0
33.0
33.0
33.0
#33.0
#33.0
47.0
47.0
#47.0
#47.0
#47.0
68.0
68.0
#68.0
#68.0
#68.0
100.0
#100.0
#100.0
#100.0
†100.0
†100.0
150.0
150.0
#150.0
†150.0
#220.0
#220.0
330.0
†330.0
#330.0
#470.0
#470.0
#680.0
#680.0
#1000.0
#1000.0
2.2
2.2
3.3
4.7
4.7
6.8
6.8
#6.8
#6.8
10.0
10.0
10.0
#10.0
#10.0
Case
Size
DC
DF %
Leakage
@ +25ºC
120 Hz
μA
@ 25ºC
Max
Max
2.5 Volt Rating at +85ºC (1.7 Volt Rating at +125ºC)
T
T491T107(1)2R5A(2)
2.5
24.0
5.5
8.0
D
T491D227(1)2R5A(2)
3 Volt Rating at +85ºC (2 Volt Rating at +125ºC)
A
T491A336(1)003A(2)
1.0
6.0
4 Volt Rating at +85ºC (2.7 Volt Rating at +125ºC)
A
T491A335(1)004A(2)
0.5
6.0
A
T491A475(1)004A(2)
0.5
6.0
A
T491A685(1)004A(2)
0.5
6.0
0.5
6.0
S
T491S685(1)004A(2)
0.5
6.0
B
T491B106(1)004A(2)
A
T491A106(1)004A(2)
0.5
6.0
0.5
6.0
S
T491S106(1)004A(2)
0.5
8.0
R
T491R106(1)004A(2)
0.6
6.0
B
T491B156(1)004A(2)
A
T491A156(1)004A(2)
0.6
6.0
0.6
6.0
T
T491T156(1)004A(2)
0.6
10.0
S
T491S156(1)004A(2)
0.9
6.0
C
T491C226(1)004A(2)
0.9
6.0
B
T491B226(1)004A(2)
A
T491A226(1)004A(2)
0.9
6.0
0.9
6.0
T
T491T226(1)004A(2)
0.9
10.0
S
T491S226(1)004A(2)
1.3
6.0
C
T491C336(1)004A(2)
1.3
6.0
U
T491U336(1)004A(2)
1.3
6.0
B
T491B336(1)004A(2)
A
T491A336(1)004A(2)
1.3
6.0
1.3
8.0
T
T491T336(1)004A(2)
1.9
6.0
C
T491C476(1)004A(2)
1.9
6.0
U
T491U476(1)004A(2)
1.9
6.0
B
T491B476(1)004A(2)
A
T491A476M004A(2)
1.9
12.0
1.9
12.0
T
T491T476M004A(2)
2.7
6.0
D
T491D686(1)004A(2)
2.7
6.0
C
T491C686(1)004A(2)
2.7
6.0
U
T491U686(1)004A(2)
2.7
6.0
B
T491B686(1)004A(2)
A
T491A686(1)004A(2)
2.8
30.0
4.0
8.0
D
T491D107(1)004A(2)
4.0
8.0
C
T491C107(1)004A(2)
4.0
10.0
U
T491U107(1)004A(2)
4.0
8.0
B
T491B107M004A(2)
A
T491A107M004A(2)
4.0
30.0
T
T491T107M004A(2)
4.0
30.0
6.0
8.0
D
T491D157(1)004A(2)
6.0
8.0
V
T491V157(1)004A(2)
6.0
8.0
C
T491C157(1)004A(2)
B
T491B157M004A(2)
6.0
12.0
8.8
8.0
V
T491V227(1)004A(2)
8.8
18.0
B
T491B227M004A(2)
13.2
8.0
D
T491D337(1)004A(2)
V
T491V337(1)004A(2)
13.2
12.0
13.2
10.0
C
T491C337(1)004A(2)
X
T491X477(1)004A(2)
18.8
8.0
18.8
8.0
D
T491D477(1)004A(2)
X
T491X687(1)004A(2)
27.2
12.0
27.2
12.0
D
T491D687(1)004A(2)
X
T491X108(1)004A(2)
40.0
12.0
E
T491E108M004A(2)
40.0
15.0
**6.3 Volt Rating at +85ºC (4 Volt Rating at +125ºC)
0.5
6.0
R
T491R225(1)006A(2)
A
T491A225(1)006A(2)
0.5
6.0
A
T491A335(1)006A(2)
0.5
6.0
A
T491A475(1)006A(2)
0.5
6.0
S
T491S475(1)006A(2)
0.5
6.0
0.5
6.0
B
T491B685(1)006A(2)
A
T491A685(1)006A(2)
0.5
6.0
0.5
6.0
S
T491S685(1)006A(2)
0.5
8.0
R
T491R685(1)006A(2)
0.6
6.0
B
T491B106(1)006A(2)
A
T491A106(1)006A(2)
0.6
6.0
0.6
6.0
T
T491T106(1)006A(2)
0.6
10.0
S
T491S106(1)006A(2)
0.6
8.0
R
T491R106(1)006A(2)
KEMET
Part Number
ESR
Ω
@ +25°C
100 kHz
Max
3.9
0.3
4.0
8.0
8.0
6.0
15.0
3.5
6.0
15.0
10.0
3.5
4.0
5.0
15.0
1.8
3.5
4.0
5.0
10.0
1.8
1.8
3.5
4.0
5.0
1.8
1.8
3.0
2.5
6.0
0.8
1.6
1.8
3.5
4.0
0.8
1.2
1.8
0.9
4.0
5.0
0.8
0.7
1.2
2.0
0.7
0.5
0.7
0.7
0.9
0.5
0.8
0.5
0.5
0.5
0.2
25.0
8.0
8.0
6.0
15.0
3.5
6.0
15.0
15.0
3.5
4.0
5.0
15.0
10.0
Capaci-
tance
µF
Case
Size
KEMET
Part Number
DC
Leakage
μA
@ 25ºC
Max
DF %
@ +25ºC
120 Hz
Max
ESR
Ω
@ +25°C
100 kHz
Max
1.8
3.5
3.5
5.0
10.0
1.8
1.8
3.5
4.0
5.0
1.8
1.8
3.0
2.5
6.0
0.8
1.6
1.8
2.0
3.5
4.4
0.8
1.2
1.8
0.9
4.0
0.8
0.7
0.9
1.8
3.0
0.7
1.2
0.7
0.7
0.7
1.2
0.7
0.4
0.4
0.5
0.4
0.4
0.4
0.5
8.0
3.5
8.0
6.0
15.0
15.0
3.5
5.0
15.0
10.0
3.5
4.0
5.0
15.0
1.8
3.5
4.0
5.0
15.0
30.0
1.8
1.8
2.8
6.0
5.0
15.0
15.0
#15.0
#15.0
#15.0
22.0
22.0
22.0
#22.0
#22.0
33.0
33.0
#33.0
#33.0
#33.0
47.0
47.0
#47.0
#47.0
†47.0
*47.0
68.0
#68.0
#68.0
#68.0
#68.0
100.0
100.0
#100.0
#100.0
#100.0
150.0
#150.0
#150.0
220.0
#220.0
#220.0
#220.0
330.0
330.0
330.0
470.0
470.0
470.0
680.0
1.5
2.2
2.2
3.3
3.3
#3.3
4.7
4.7
#4.7
#4.7
6.8
6.8
6.8
#6.8
10.0
10.0
#10.0
#10.0
#10.0
#10.0
15.0
15.0
15.0
#15.0
#15.0
**6 Volt Rating at +85ºC (4 Volt Rating at +125ºC)
C
T491C156(1)006A(2)
0.9
6.0
0.9
6.0
B
T491B156(1)006A(2)
A
T491A156(1)006A(2)
0.9
6.0
0.9
6.0
T
T491T156(1)006A(2)
0.9
15.0
S
T491S156(1)006A(2)
1.4
6.0
C
T491C226(1)006A(2)
1.4
6.0
U
T491U226(1)006A(2)
1.4
6.0
B
T491B226(1)006A(2)
A
T491A226(1)006A(2)
1.4
6.0
1.4
8.0
T
T491T226(1)006A(2)
2.0
6.0
C
T491C336(1)006A(2)
2.0
6.0
U
T491U336(1)006A(2)
2.0
6.0
B
T491B336(1)006A(2)
A
T491A336(1)006A(2)
2.0
12.0
2.0
12.0
T
T491T336(1)006A(2)
2.9
6.0
D
T491D476(1)006A(2)
2.9
6.0
C
T491C476(1)006A(2)
2.9
6.0
U
T491U476(1)006A(2)
2.9
6.0
B
T491B476(1)006A(2)
A
T491A476M006A(2)
3.0
12.0
3.0
24.0
T
T491T476(1)006A(2)
4.1
6.0
D
T491D686(1)006A(2)
4.1
6.0
C
T491C686(1)006A(2)
4.1
10.0
U
T491U686(1)006A(2)
4.1
8.0
B
T491B686(1)006A(2)
A
T491A686(1)006A(2)
5.0
30.0
6.0
8.0
D
T491D107(1)006A(2)
6.0
8.0
V
T491V107(1)006A(2)
6.0
8.0
C
T491C107(1)006A(2)
6.0
10.0
U
T491U107(1)006A(2)
6.3
15.0
B
T491B107(1)006A(2)
9.0
8.0
D
T491D157(1)006A(2)
9.0
8.0
C
T491C157(1)006A(2)
9.0
8.0
V
T491V157(1)006A(2)
X
T491X227(1)006A(2)
13.2
8.0
13.2
8.0
D
T491D227(1)006A(2)
13.2
10.0
C
T491C227M006A(2)
13.2
12.0
V
T491V227(1)006A(2)
X
T491X337(1)006A(2)
19.8
8.0
19.8
8.0
D
T491D337(1)006A(2)
20.8
8.0
E
T491E337(1)006A(2)
X
T491X477(1)006A(2)
28.2
10.0
28.2
12.0
D
T491D477M006A(2)
29.6
10.0
E
T491E477(1)006A(2)
40.8
12.0
E
T491E687M006A(2)
10 Volt Rating at +85ºC (7 Volt Rating at +125ºC)
A
T491A155(1)010A(2)
0.5
6.0
0.5
6.0
B
T491B225(1)010A(2)
A
T491A225(1)010A(2)
0.5
6.0
A
T491A335(1)010A(2)
0.5
6.0
0.5
6.0
S
T491S335(1)010A(2)
0.3
8.0
R
T491R335(1)010A(2)
0.5
6.0
B
T491B475(1)010A(2)
A
T491A475(1)010A(2)
0.5
6.0
0.5
6.0
S
T491S475(1)010A(2)
0.5
8.0
R
T491R475(1)010A(2)
0.7
6.0
B
T491B685(1)010A(2)
A
T491A685(1)010A(2)
0.7
6.0
0.7
6.0
T
T491T685(1)010A(2)
0.7
10.0
S
T491S685(1)010A(2)
1.0
6.0
C
T491C106(1)010A(2)
1.0
6.0
B
T491B106(1)010A(2)
A
T491A106(1)010A(2)
1.0
6.0
1.0
6.0
T
T491T106(1)010A(2)
1.0
10.0
S
T491S106(1)010A(2)
1.0
24.0
R
T491R106(1)010A(2)
1.5
6.0
C
T491C156(1)010A(2)
1.5
6.0
U
T491U156(1)010A(2)
1.5
6.0
B
T491B156(1)010A(2)
A
T491A156(1)010A(2)
1.5
8.0
1.5
8.0
T
T491T156(1)010A(2)
(1) To complete KEMET Part Number, insert M for ±20% tolerance or K for ±10% tolerance.
(2) To complete KEMET Part Number, insert T, H, G,
or S
lead material designation as shown on page 15.
*Extended Values
**6 Volt product equivalent to 6.3 volt product.
#Maximum Capacitance Change @ 125ºC=+15%.
†Maximum Capacitance Change @ 125ºC=+20%.
Higher voltage ratings and tighter tolerance product may be substituted within the same size at KEMET’s option.
Voltage substitutions will be marked with the higher voltage rating.
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
17
Solid Tantalum Surface Mount
SOLID TANTALUM CHIP CAPACITORS
T491 SERIES—Precision Molded Chip
T491 RATINGS & PART NUMBER REFERENCE
Capaci-
Capaci-
Case
Case
tance
tance
Size
Size
µF
KEMET
KEMET
Part Number
μF
Part Number
DC
DC
DF %
Leakage
@
Leakage
+25ºC
120 Hz
μA
@ 25ºC
Max
Max
ESR
Ω
@ +25°C
100 kHz
Max
1.8
1.8
2.4
6.0
8.0
0.8
0.7
1.6
1.8
1.8
5.0
6.0
0.8
0.7
1.2
2.2
1.0
0.8
0.7
1.2
1.8
3.0
0.7
1.2
0.7
0.7
0.7
0.9
0.7
0.5
0.5
0.5
0.5
0.5
0.2
0.5
10.0
8.0
6.0
15.0
25.0
3.5
5.0
2.4
3.5
4.0
5.0
1.9
2.5
3.5
1.8
1.8
2.8
7.0
8.0
1.8
1.8
2.5
3.5
0.8
1.6
3.0
2.2
0.8
1.2
3.0
0.8
0.7
1.2
0.7
0.7
1.2
Capaci-
Capaci-
Case
tance
Case
tance
Size
Size
μF
µF
100.0
100.0
†100.0
#100.0
#150.0
#150.0
#220.0
#220.0
0.47
0.68
1.0
1.0
#1.0
1.5
1.5
2.2
2.2
2.2
3.3
#3.3
3.3
4.7
4.7
#4.7
6.8
6.8
#6.8
#6.8
10.0
10.0
#10.0
#10.0
15.0
15.0
22.0
22.0
#22.0
#22.0
33.0
#33.0
†33.0
47.0
47.0
68.0
#68.0
#100.0
#100.0
#150.0
0.33
0.47
0.68
1.0
1.0
1.0
1.5
1.5
1.5
2.2
2.2
3.3
3.3
4.7
#4.7
#4.7
6.8
6.8
10.0
10.0
10.0
15.0
#15.0
#15.0
22.0
22.0
22.0
33.0
#33.0
#33.0
#47.0
†47.0
†68.0
†68.0
100.0
22.0
22.0
#22.0
#22.0
#22.0
33.0
33.0
33.0
#33.0
#33.0
#33.0
47.0
47.0
#47.0
#47.0
#47.0
68.0
68.0
#68.0
#68.0
#68.0
100.0
#100.0
#100.0
150.0
#150.0
#150.0
#150.0
#220.0
#220.0
#330.0
#330.0
#330.0
#470.0
#470.0
1.0
1.5
2.2
2.2
#2.2
3.3
3.3
4.7
4.7
4.7
4.7
6.8
6.8
#6.8
10.0
10.0
10.0
#10.0
#10.0
15.0
15.0
15.0
#15.0
22.0
22.0
#22.0
#22.0
33.0
#33.0
#33.0
47.0
47.0
#47.0
68.0
68.0
68.0
10 Volt Rating at +85ºC (7 Volt Rating at +125ºC)
T491C226(1)010A(2)
2.2
6.0
2.2
6.0
T491U226(1)010A(2)
2.2
6.0
T491B226(1)010A(2)
T491A226M010A(2)
2.2
10.0
2.2
12.0
T491T226(1)010A(2)
3.3
6.0
T491D336(1)010A(2)
3.3
6.0
T491V336(1)010A(2)
3.3
6.0
T491C336(1)010A(2)
3.3
6.0
T491U336(1)010A(2)
3.3
6.0
T491B336(1)010A(2)
3.3
24.0
T491T336(1)010A(2)
T491A336(1)010A(2)
3.3
15.0
4.7
6.0
T491D476(1)010A(2)
4.7
6.0
T491V476(1)010A(2)
4.7
6.0
T491C476(1)010A(2)
4.7
10.0
T491U476(1)010A(2)
4.7
8.0
T491B476(1)010A(2)
6.8
6.0
T491D686(1)010A(2)
6.8
6.0
T491V686(1)010A(2)
6.8
6.0
T491C686(1)010A(2)
6.8
10.0
T491U686(1)010A(2)
6.8
10.0
T491B686M010A(2)
10.0
8.0
T491D107(1)010A(2)
10.0
8.0
T491C107(1)010A(2)
10.0
8.0
T491V107(1)010A(2)
T491X157(1)010A(2)
15.0
8.0
15.0
8.0
T491D157(1)010A(2)
15.0
10.0
T491C157(1)010A(2)
15.0
8.0
T491V157(1)010A(2)
T491X227(1)010A(2)
22.0
8.0
22.0
8.0
T491D227(1)010A(2)
33.0
10.0
T491D337M010A(2)
T491X337(1)010A(2)
33.0
10.0
33.0
10.0
T491E337(1)010A(2)
T491X477M010A(2)
47.0
10.0
T491E477M010A(2)
47.0
12.0
16 Volt Rating at +85ºC (10 Volt Rating at +125ºC)
A
T491A105(1)016A(2)
0.5
4.0
A
T491A155(1)016A(2)
0.5
6.0
A
T491A225(1)016A(2)
0.5
6.0
0.5
6.0
S
T491S225(1)016A(2)
0.5
8.0
R
T491R225(1)016A(2)
0.5
6.0
B
T491B335(1)016A(2)
A
T491A335(1)016A(2)
0.5
6.0
0.75
6.0
C
T491C475(1)016A(2)
0.8
6.0
B
T491B475(1)016A(2)
A
T491A475(1)016A(2)
0.8
6.0
0.8
6.0
T
T491T475(1)016A(2)
1.1
6.0
C
T491C685(1)016A(2)
1.1
6.0
B
T491B685(1)016A(2)
A
T491A685(1)016A(2)
1.1
6.0
1.6
6.0
C
T491C106(1)016A(2)
1.6
6.0
U
T491U106(1)016A(2)
1.6
6.0
B
T491B106(1)016A(2)
A
T491A106(1)016A(2)
1.6
8.0
1.6
8.0
T
T491T106(1)016A(2)
2.4
6.0
C
T491C156(1)016A(2)
2.4
6.0
U
T491U156(1)016A(2)
2.4
6.0
B
T491B156(1)016A(2)
A
T491A156(1)016A(2)
2.4
8.0
3.6
6.0
D
T491D226(1)016A(2)
3.6
6.0
C
T491C226(1)016A(2)
3.6
10.0
U
T491U226(1)016A(2)
3.6
6.0
B
T491B226(1)016A(2)
5.3
6.0
D
T491D336(1)016A(2)
5.3
6.0
C
T491C336(1)016A(2)
5.3
12.0
U
T491U336(1)016A(2)
7.5
6.0
D
T491D476(1)016A(2)
7.5
6.0
V
T491V476(1)016A(2)
7.5
6.0
C
T491C476(1)016A(2)
10.9
6.0
V
T491V686(1)016A(2)
10.9
6.0
D
T491D686(1)016A(2)
10.9
12.0
C
T491C686(1)016A(2)
C
U
B
A
T
D
V
C
U
B
T
A
D
V
C
U
B
D
V
C
U
B
D
C
V
X
D
C
V
X
D
D
X
E
X
E
(1) To complete KEMET Part Number, insert M for ±20% tolerance or K for ±10% tolerance.
(
2) To complete KEMET Part Number, insert T, H, G,
or S
lead material designation as shown on page 15.
*Extended Values
**6 Volt product equivalent to 6.3 volt product.
#Maximum Capacitance Change @ 125ºC=+15%.
†Maximum Capacitance Change @ 125ºC=+20%.
Higher voltage ratings and tighter tolerance product may be substituted within the same
size at KEMET’s option.
Voltage substitutions will be marked with the higher voltage rating.
DC
DC
DF %
Leakage
Leakage
@ +25ºC
μA
@ 25ºC 120 Hz
Max
Max
16 Volt Rating at +85ºC (10 Volt Rating at +125ºC)
X
T491X107(1)016A(2)
16.0
8.0
V
T491V107(1)016A(2)
16.0
12.0
D
8.0
T491D107(1)016A(2)
16.0
X
T491X157(1)016A(2)
24.0
8.0
D
T491D157(1)016A(2)
24.0
12.0
X
T491X227(1)016A(2)
35.2
10.0
E
T491E227(1)016A(2)
35.2
7.2
20 Volt Rating at +85ºC (13 Volt Rating at + 125ºC)
R
T491R474(1)020A(2)
0.1
4.0
A
T491A684(1)020A(2)
0.5
4.0
A
T491A105(1)020A(2)
0.5
4.0
S
T491S105(1)020A(2)
0.5
6.0
R
T491R105(1)020A(2)
0.5
6.0
A
T491A155(1)020A(2)
0.5
6.0
S
T491S155(1)020A(2)
0.5
6.0
B
T491B225(1)020A(2)
0.5
6.0
A
T491A225(1)020A(2)
0.5
0.6
R
T491R225(1)020A(2)
0.4
8.0
B
T491B335(1)020A(2)
0.7
6.0
A
T491A335(1)020A(2)
0.7
6.0
T
T491T335(1)020A(2)
0.7
6.0
C
T491C475(1)020A(2)
1.0
6.0
B
T491B475(1)020A(2)
1.0
6.0
A
T491A475(1)020A(2)
1.0
6.0
C
T491C685(1)020A(2)
1.4
6.0
U
T491U685(1)020A(2)
1.4
6.0
B
T491B685(1)020A(2)
1.4
6.0
A
T491A685M020A(2)
1.4
8.0
C
T491C106(1)020A(2)
2.0
6.0
U
T491U106(1)020A(2)
2.0
6.0
B
T491B106(1)020A(2)
2.0
6.0
A
T491A106M020A(2)
2.0
10.0
D
T491D156(1)020A(2)
3.0
6.0
C
T491C156(1)020A(2)
3.0
6.0
D
T491D226(1)020A(2)
4.4
6.0
V
T491V226(1)020A(2)
4.4
6.0
C
T491C226(1)020A(2)
4.4
6.0
B
T491B226(1)020A(2)
4.4
8.0
D
T491D336(1)020A(2)
6.6
6.0
C
T491C336M020A(2)
6.6
6.0
V
T491V336(1)020A(2)
6.6
8.0
C
T491C476M020A(2)
9.4
10.0
D
T491D476(1)020A(2)
9.4
6.0
X
T491X686(1)020A(2)
13.6
6.0
D
T491D686(1)020A(2)
13.6
8.0
X
T491X107(1)020A(2)
20.0
8.0
E
T491E107(1)020A(2)
20.0
8.0
X
T491X157(1)020A(2)
30.0
10.0
25 Volt Rating at +85ºC (17 Volt Rating at +125ºC)
0.5
4.0
A
T491A334(1)025A(2)
A
T491A474(1)025A(2)
0.5
4.0
A
T491A684(1)025A(2)
0.5
4.0
B
T491B105(1)025A(2)
0.5
4.0
A
T491A105(1)025A(2)
0.5
4.0
S
T491S105(1)025A(2)
0.25
6.0
B
T491B155(1)025A(2)
0.5
6.0
A
T491A155(1)025A(2)
0.5
6.0
R
T491R155(1)025A(2)
0.4
8.0
C
T491C225(1)025A(2)
0.6
6.0
B
T491B225(1)025A(2)
0.6
6.0
C
T491C335(1)025A(2)
0.9
6.0
B
T491B335(1)025A(2)
0.9
6.0
C
T491C475(1)025A(2)
1.2
6.0
B
T491B475(1)025A(2)
1.2
6.0
A
T491A475M025A(2)
1.2
8.0
C
T491C685(1)025A(2)
1.7
6.0
B
T491B685(1)025A(2)
1.7
8.0
D
T491D106(1)025A(2)
2.5
6.0
C
T491C106(1)025A(2)
2.5
6.0
B
T491B106(1)025A(2)
2.5
8.0
D
T491D156(1)025A(2)
3.8
6.0
C
T491C156(1)025A(2)
3.8
6.0
B
T491B156(1)025A(2)
3.8
8.0
D
T491D226(1)025A(2)
5.5
6.0
C
T491C226(1)025A(2)
5.5
6.0
V
T491V226(1)025A(2)
5.5
6.0
X
T491X336(1)025A(2)
8.3
6.0
D
T491D336(1)025A(2)
8.3
6.0
C
T491C336(1)025A(2)
8.3
10.0
X
T491X476(1)025A(2)
11.8
6.0
D
T491D476(1)025A(2)
11.8
10.0
X
T491X686M025A(2)
17.0
8.0
D
T491D686M025A(2)
17.0
10.0
25.0
8.0
X
T491X107(1)025A(2)
KEMET
KEMET
Part Number
Part Number
ESR
Ω
@ +25°C
@ +25°C
100 kHz
100 kHz
Max
Max
0.7
0.7
0.7
0.5
0.7
0.5
0.9
35.0
12.0
9.0
18.0
20.0
6.5
15.0
3.5
7.0
8.0
3.0
4.5
5.0
2.4
3.0
4.0
1.9
1.9
2.5
6.0
1.8
1.8
2.1
5.0
1.0
1.7
0.8
0.7
1.2
4.0
0.8
1.2
0.7
0.9
0.7
0.7
0.7
0.5
0.5
0.5
15.0
14.0
10.0
5.0
8.0
18.0
5.0
7.5
8.0
3.5
4.5
2.5
3.5
2.4
1.5
6.0
1.9
2.8
1.0
1.5
3.0
1.0
1.5
4.0
0.8
1.4
0.7
0.7
0.7
1.2
0.7
0.7
0.7
0.7
0.3
18
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
SOLID TANTALUM CHIP CAPACITORS
T491 SERIES—Precision Molded Chip
T491 RATINGS & PART NUMBER REFERENCE
Capaci-
Capaci-
Case
Case
tance
tance
Size
Size
µF
µF
0.10
0.10
KEMET
KEMET
Part Number
Part Number
DF %
DC
ESR
Ω
DC
ESR
Ω
DF %
Leakage
Leakage
@ +25ºC @
+25°C
@ +25ºC @
+25°C
100
kHz
μA
@ 25ºC 120 Hz
100
kHz
μA
@ 25ºC 120 Hz
Max
Max
Max
Max
Max
Max
20.0
19.0
18.0
15.0
8.0
12.0
6.5
8.0
5.0
7.5
4.5
5.0
3.5
4.0
2.5
3.5
1.5
2.2
1.3
1.8
1.0
1.6
2.0
0.9
0.8
0.7
0.7
0.6
0.6
0.5
20.0
16.0
15.0
14.0
10.0
8.0
9.0
7.0
8.0
5.5
6.0
6.0
3.5
4.5
2.5
3.0
2.0
1.4
1.0
1.0
0.7
0.8
0.7
0.6
CONSTRUCTION
Negative
Termination*
Molded
Case
Silver Adhesive
Washer
Polarity
Stripe (+)
Polarity
Bevel (+)
Tantalum
Wire
0.15
0.22
0.33
0.47
0.47
0.68
0.68
1.0
1.0
1.5
1.5
2.2
2.2
3.3
#3.3
4.7
4.7
6.8
6.8
10.0
#10.0
#10.0
15.0
15.0
22.0
#22.0
#33.0
†47.0
#47.0
0.10
0.15
0.15
0.22
0.33
0.47
0.47
0.68
0.68
1.0
1.0
1.0
1.5
1.5
2.2
2.2
3.3
4.7
6.8
#6.8
#10.0
#10.0
†15.0
22.0
35 Volt Rating at +85ºC (23 Volt Rating at +125ºC)
A
T491A104(1)035A(2)
0.5
4.0
A
T491A154(1)035A(2)
0.5
4.0
A
T491A224(1)035A(2)
0.5
4.0
A
T491A334(1)035A(2)
0.5
4.0
0.5
4.0
B
T491B474(1)035A(2)
A
T491A474(1)035A(2)
0.5
4.0
0.5
4.0
B
T491B684(1)035A(2)
A
T491A684(1)035A(2)
0.5
4.0
0.5
4.0
B
T491B105(1)035A(2)
A
T491A105(1)035A(2)
0.5
4.0
0.5
6.0
C
T491C155(1)035A(2)
0.5
6.0
B
T491B155(1)035A(2)
0.8
6.0
C
T491C225(1)035A(2)
0.8
6.0
B
T491B225(1)035A(2)
1.2
6.0
C
T491C335(1)035A(2)
1.2
6.0
B
T491B335(1)035A(2)
1.7
6.0
D
T491D475(1)035A(2)
1.7
6.0
C
T491C475(1)035A(2)
2.4
6.0
D
T491D685(1)035A(2)
2.4
6.0
C
T491C685(1)035A(2)
3.5
6.0
D
T491D106(1)035A(2)
3.5
6.0
C
T491C106M035A(2)
3.5
6.0
V
T491V106(1)035A(2)
X
T491X156(1)035A(2)
5.3
6.0
5.3
6.0
D
T491D156(1)035A(2)
X
T491X226(1)035A(2)
7.7
6.0
7.7
6.0
D
T491D226(1)035A(2)
X
T491X336(1)035A(2)
11.6
6.0
X
T491X476(1)035A(2)
16.5
8.0
16.5
10.0
E
T491E476(1)035A(2)
50 Volt Rating at +85ºC (33 Volt Rating at + 125ºC)
A
T491A104(1)050A(2)
0.5
4.0
0.5
4.0
B
T491B154(1)050A(2)
A
T491A154(1)050A(2)
0.5
4.0
0.5
4.0
B
T491B224(1)050A(2)
0.5
4.0
B
T491B334(1)050A(2)
0.5
4.0
C
T491C474(1)050A(2)
0.5
4.0
B
T491B474(1)050A(2)
0.5
4.0
C
T491C684(1)050A(2)
0.5
4.0
B
T491B684(1)050A(2)
0.5
4.0
C
T491C105(1)050A(2)
0.5
6.0
B
T491B105(1)050A(2)
0.5
4.0
V
T491V105(1)050A(2)
0.8
6.0
D
T491D155(1)050A(2)
0.8
6.0
C
T491C155(1)050A(2)
1.1
6.0
D
T491D225(1)050A(2)
1.1
6.0
C
T491C225(1)050A(2)
1.7
6.0
D
T491D335(1)050A(2)
2.4
6.0
D
T491D475(1)050A(2)
X
T491X685(1)050A(2)
3.5
6.0
3.4
6.0
D
T491D685(1)050A(2)
X
T491X106M050A(2)
5.0
6.0
5.0
6.0
D
T491D106(1)050A(2)
X
T491X156(1)050A(2)
7.5
8.0
X
T491X226(1)050A(2)
11.0
10.0
Tantalum
(Ta
2
O
5
)
Weld
Mn0
2
Coat
(First Layer)
(Second Layer)
Carbon
Silver Paint
(Third Layer)
Positive
Termination*
*100% tin
CAPACITOR MARKINGS
T491 Series — All Case Sizes
Polarity
Indicator (+)
Rated
Voltage
226
20
K
542
Print Week Code:
1st Digit = Year
2nd & 3rd Digits = Week
"542" =
The 42nd week of 2005
Picofarad
Code
KEMET
I. D. Symbol
(1) To complete KEMET Part Number, insert M for ±20% tolerance or K for ±10% tolerance.
(2) To complete KEMET Part Number, insert T, H, G,
or S
lead material designation as shown on page 15.
*Extended Values
**6 Volt product equivalent to 6.3 volt product.
#Maximum Capacitance Change @ 125ºC=+15%.
†Maximum Capacitance Change @ 125ºC=+20%.
Higher voltage ratings and tighter tolerance product may be substituted within the same size at KEMET’s option.
Voltage substitutions will be marked with the higher voltage rating.
0.10
KEMET
M
n
O
2
A Case Size
Polarity
Indicator
(+)
CAPACITOR ALTERNATE MARKINGS
A Case Size
Voltage Code
G
4
J
6.3
A
10
C
16
D
20
E
25
V
35
T
50
B Case Size
C,D,X Case Size
Polarity
Indicator
(+)
KEMET
M
n
O
2
Polarity
Indicator
(+)
Voltage
KEMET
M
n
O
2
Date
Code
Lot
Code
Voltage
Picofarad
Code
Date
Code
Lot
Code
Voltage
Picofarad
Code
Date
Code
Picofarad
Code
Lot Code
V5
49
10 = October
11 = November
Date Code - Year
S = 2004
V = 2007 1 = January
T = 2005
U = 2006
X = 2009 3 = March
Date Code - Month
4 = April 7 = July
8 = August
6 = June
W = 2008 2 = February 5 = May
9 = September 12 = December
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
19
Solid Tantalum Surface Mount
156
K 10V
V5 49
K
A 155
V5 49
K
107
6V
Mobile and portable
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