
TANTALUM CHIP CAPACITORS
T491 SERIES - Precision Molded Chip
T491 RATINGS & PART NUMBER REFERENCE
KEMET
DC
DF
ESR
Capaci-
tance
m
F
Leakage
m
A @ 25
7
C
Max
% @ +25
7
C
V
@ +25
7
C
120 Hz
Max
Case
Size
3 Volt Rating at +85
7
C (2 Volt Rating at +125
7
C)
*A
T491A336(1)003AS
4 Volt Rating at +85
7
C (2.7 Volt Rating at +125
7
C)
A
T491A335(1)004AS
A
T491A475(1)004AS
A
T491A685(1)004AS
*S
T491S685(1)004AS
B
T491B106(1)004AS
*A
T491A106(1)004AS
*S
T491S106(1)004AS
B
T491B156(1)004AS
*A
T491A156(1)004AS
*T
T491T156(1)004AS
C
T491C226(1)004AS
*B
T491B226(1)004AS
*A
T491A226(1)004AS
*T
T491T226(1)004AS
C
T491C336(1)004AS
*B
T491B336(1)004AS
*A
T491A336(1)004AS
*U
T491U336(1)004AS
C
T491C476(1)004AS
*B
T491B476(1)004AS
*U
T491U476(1)004AS
D
T491D686(1)004AS
*C
T491C686(1)004AS
*B
T491B686(1)004AS
*U
T491U686(1)004AS
D
T491D107(1)004AS
*C
T491C107(1)004AS
*U
T491U107(1)004AS
D
T491D157(1)004AS
*C
T491C157(1)004AS
*V
T491V157(1)004AS
*V
T491V227(1)004AS
*D
T491D337(1)004AS
*X
T491X477(1)004AS
*D
T491D477(1)004AS
**6 Volt Rating at +85
7
C (4 Volt Rating at +125
7
C)
A
T491A225(1)006AS
A
T491A335(1)006AS
A
T491A475(1)006AS
*S
T491S475(1)006AS
B
T491B685(1)006AS
A
T491A685(1)006AS
*S
T491S685(1)006AS
B
T491B106(1)006AS
*A
T491A106(1)006AS
*T
T491T106(1)006AS
C
T491C156(1)006AS
B
T491B156(1)006AS
*A
T491A156(1)006AS
*T
T491T156(1)006A5
C
T491C226(1)006AS
*B
T491B226(1)006AS
*A
T491A226(1)006AS
*U
T491U226(1)006AS
C
T491C336(1)006AS
*B
T491B336(1)006AS
*U
T491U336(1)006AS
D
T491D476(1)006AS
*C
T491C476(1)006AS
*B
T491B476(1)006AS
*U
T491U476(1)006AS
D
T491D686(1)006AS
*C
T491C686(1)006AS
*U
T491U686(1)006AS
D
T491D107(1)006AS
*V
T491V107(1)006AS
*C
T491C107(1)006AS
*D
T491D157(1)006AS
*V
T491V157(1)006AS
*X
T491X227(1)006AS
*D
T491D227(1)006AS
*X
T491X337(1)006AS
*D
T491D337(1)006AS
*X
T491X477(1)006AS
(1) To complete KEMET Part Number, insert M for ±20% tolerance or K for ±10%
tolerance.
#Maximum Capacitance Change @125
8
C=+15%. (All others =+12%)
KEMET
Part Number
100 kHz
Max
#33.0
1.0
6.0
4.0
3.3
4.7
6.8
#6.8
10.0
10.0
#10.0
15.0
#15.0
#15.0
22.0
22.0
#22.0
#22.0
33.0
#33.0
#33.0
#33.0
47.0
#47.0
#47.0
68.0
68.0
#68.0
#68.0
100.0
#100.0
#100.0
150.0
#150.0
#150.0
#220.0
#330.0
#470.0
#470.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.9
0.9
0.9
0.9
1.3
1.3
1.3
1.3
1.9
1.9
1.9
2.7
2.7
2.7
2.7
4.0
4.0
4.0
6.0
6.0
6.0
8.8
13.2
18.8
18.8
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
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
8.0
8.0
10.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
6.0
15.0
3.5
6.0
15.0
3.5
4.0
5.0
1.8
3.5
4.0
5.0
1.8
3.5
4.0
1.8
1.8
3.0
1.8
0.8
1.6
3.5
1.8
0.8
1.2
1.8
0.8
1.2
0.7
0.7
0.7
0.5
0.5
2.2
3.3
4.7
#4.7
6.8
6.8
#6.8
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
#47.0
68.0
#68.0
#68.0
100.0
#100.0
#100.0
150.0
#150.0
220.0
#220.0
#330.0
#330.0
#470.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.9
0.9
0.9
0.9
1.4
1.4
1.4
1.4
2.0
2.0
2.0
2.9
2.9
2.9
2.9
4.1
4.1
4.1
6.0
6.0
6.0
9.0
9.0
13.2
13.2
19.8
19.8
28.2
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
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
10.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
10.0
8.0
8.0
6.0
15.0
3.5
6.0
15.0
3.5
4.0
5.0
1.8
3.5
4.0
5.0
1.8
3.5
4.0
1.8
1.8
3.0
1.8
0.8
1.6
3.5
1.8
0.8
1.2
1.8
0.8
0.7
1.2
0.7
0.7
0.7
0.7
0.5
0.5
0.5
DC
DF
ESR
Capaci-
tance
m
F
Leakage
m
A @ 25
7
C
Max
% @ +25
7
C
V
@ +25
7
C
120 Hz
Max
Case
Size
10 Volt Rating at +85°C (7 Volt Rating at +125°C)
A
T491A155(1)010AS
A
T491A225(1)010AS
A
T491A335(1)010AS
*S
T491S335(1)010AS
B
T491B475(1)010AS
A
T491A475(1)010AS
*S
T491S475(1)010AS
B
T491B685(1)010AS
*A
T491A685(1)010AS
*T
T491T685(1)010AS
C
T491C106(1)010AS
B
T491B106(1)010AS
*A
T491A106(1)010AS
*T
T491T106(1)010AS
C
T491C156(1)010AS
*B
T491B156(1)010AS
*U
T491U156(1)010AS
C
T491C226(1)010AS
*B
T491B226(1)010AS
*U
T491U226(1)010AS
D
T491D336(1)010AS
*C
T491C336(1)010AS
*B
T491B336(1)010AS
*U
T491U336(1)010AS
*V
T491V336(1)010AS
D
T491D476(1)010AS
*C
T491C476(1)010AS
*V
T491V476(1)010AS
*U
T491U476(1)010AS
D
T491D686(1)010AS
*V
T491V686(1)010AS
*C
T491C686(1)010AS
*D
T491D107(1)010AS
*V
T491V107(1)010AS
*X
T491X157(1)010AS
*D
T491D157(1)010AS
*X
T491X227(1)010AS
*D
T491D227(1)010AS
*X
T491X337(1)010AS
*X
T491X477(1)010AS
16 Volt Rating at +85
7
C (10 Volt Rating at +125
7
C)
A
T491A105(1)016AS
A
T491A155(1)016AS
A
T491A225(1)016AS
*S
T491S225(1)016AS
B
T491B335(1)016AS
A
T491A335(1)016AS
B
T491B475(1)016AS
*A
T491A475(1)016AS
*T
T491T475(1)016AS
C
T491C685(1)016AS
B
T491B685(1)016AS
C
T491C106(1)016AS
*B
T491B106(1)016AS
*U
T491U106(1)016AS
C
T491C156(1)016AS
*B
T491B156(1)016AS
*U
T491U156(1)016AS
D
T491D226(1)016AS
*C
T491C226(1)016AS
*B
T491B226(1)016AS
*U
T491U226(1)016AS
D
T491D336(1)016AS
*C
T491C336(1)016AS
*U
T491U336(1)016AS
D
T491D476(1)016AS
*V
T491V476(1)016AS
*D
T491D686(1)016AS
* X
T491X107(1)016AS
*D
T491D107(1)016AS
*X
T491X157(1)016AS
20 Volt Rating at +85
7
C (13 Volt Rating at +125
7
C)
0.68
A
T491A684(1)020AS
1.0
A
T491A105(1)020AS
#1.0
*S
T491S105(1)020AS
KEMET
Part Number
100 kHz
Max
1.5
2.2
3.3
#3.3
4.7
4.7
#4.7
6.8
#6.8
#6.8
10.0
10.0
#10.0
#10.0
15.0
#15.0
#15.0
22.0
#22.0
#22.0
33.0
33.0
#33.0
#33.0
#33.0
47.0
#47.0
#47.0
#47.0
68.0
#68.0
#68.0
100.0
#100.0
150.0
#150.0
#220.0
#220.0
#330.0
#470.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.7
0.7
0.7
1.0
1.0
1.0
1.0
1.5
1.5
1.5
2.2
2.2
2.2
3.3
3.3
3.3
3.3
3.3
4.7
4.7
4.7
4.7
6.8
6.8
6.8
10.0
10.0
15.0
15.0
22.0
22.0
33.0
47.0
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
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
10.0
6.0
6.0
6.0
8.0
8.0
8.0
8.0
8.0
8.0
10.0
10.0
8.0
8.0
6.0
15.0
3.5
6.0
15.0
3.5
6.0
5.0
1.8
3.5
4.0
5.0
1.8
3.5
1.8
1.8
3.0
1.8
0.8
1.6
3.5
1.8
0.7
0.8
1.2
0.7
2.2
0.8
0.7
1.2
0.7
0.7
0.7
0.7
0.5
0.5
0.5
0.2
1.0
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
#22.0
33.0
#33.0
#33.0
47.0
#47.0
68.0
100.0
#100.0
#150.0
0.5
0.5
0.5
0.5
0.5
0.5
0.8
0.8
0.8
1.1
1.1
1.6
1.6
1.6
2.4
2.4
2.4
3.6
3.6
3.5
3.5
5.3
5.3
5.3
7.5
7.5
10.9
16.0
16.0
24.0
4.0
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
6.0
6.0
6.0
6.0
6.0
10.0
6.0
6.0
12.0
6.0
6.0
6.0
8.0
8.0
8.0
10.0
8.0
6.0
15.0
3.5
6.0
3.5
6.0
5.0
1.9
3.5
1.8
3.5
1.8
1.8
3.0
1.8
0.8
1.6
3.0
3.0
0.8
1.2
3.0
0.8
0.7
0.7
0.7
0.7
0.5
0.5
0.5
0.5
4.0
4.0
6.0
12.0
10.0
18.0
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
17
T
Higher voltage ratings 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.
*Extended Values
**6 Volt product equivalent to 6.3 volt product.