
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
18
T491 RATINGS & PART NUMBER REFERENCE
μ
Max
Max
Max
10 Volt Rating at +85oC (7 Volt Rating at +125oC)
SOLID TANTALUM CHIP CAPACITORS
T491 SERIES—Precision Molded Chip
(1)
(
2)
*
Extended Values
**
6 Volt product equ
i
valent to 6
.
3 volt product
.
#Max
i
mum Capac
i
tance Change @ 125oC=+15%
.
Max
i
mum Capac
i
tance 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.
To complete KEMET Part Number,
i
nsert M for ±20% tolerance or K for ±10% tolerance
.
To complete KEMET Part Number,
i
nsert T, H, G, or S lead mater
i
al des
i
gnat
i
on as shown on page 15
.
tance
μF
Leakage
tance
μF
μF
Case
Size
Part Number
DC
Max
Max
100.0
Capaci-
Case
Size
Part Number
DF %
@ +25oC
120 Hz
ESR
Ω
@ +25°C
100 kHz
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
150.0
#150.0
#150.0
#150.0
#220.0
#220.0
#220.0
#330.0
#330.0
#330.0
#470.0
#470.0
C
U
B
A
T
D
V
C
U
B
D
V
C
U
B
D
V
C
U
B
D
C
V
X
D
C
V
X
D
V
D
X
E
X
E
T491C226(1)010A(2)
T491U226(1)010A(2)
T491B226(1)010A(2)
T491A226M010A(2)
T491T226(1)010A(2)
T491D336(1)010A(2)
T491V336(1)010A(2)
T491C336(1)010A(2)
T491U336(1)010A(2)
T491B336(1)010A(2)
T491D476(1)010A(2)
T491V476(1)010A(2)
T491C476(1)010A(2)
T491U476(1)010A(2)
T491B476(1)010A(2)
T491D686(1)010A(2)
T491V686(1)010A(2)
T491C686(1)010A(2)
T491U686(1)010A(2)
T491B686M010A(2)
T491D107(1)010A(2)
T491C107(1)010A(2)
T491V107(1)010A(2)
T491X157(1)010A(2)
T491D157(1)010A(2)
T491C157(1)010A(2)
T491V157(1)010A(2)
T491X227(1)010A(2)
T491D227(1)010A(2)
T491V227(1)010A(2)
T491D337M010A(2)
T491X337(1)010A(2)
T491E337(1)010A(2)
T491X477(1)010A(2)
T491E477M010A(2)
16 Volt Rating at +85oC (10 Volt Rating at +125oC)
2.2
2.2
2.2
2.2
2.2
3.3
3.3
3.3
3.3
3.3
4.7
4.7
4.7
4.7
4.7
6.8
6.8
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
33.0
33.0
33.0
47.0
47.0
6.0
6.0
6.0
10.0
12.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
10.0
8.0
6.0
6.0
6.0
10.0
10.0
8.0
8.0
8.0
8.0
8.0
10.0
8.0
8.0
8.0
12.0
10.0
10.0
10.0
10.0
12.0
1.8
1.8
2.4
6.0
8.0
0.8
0.7
1.6
1.8
1.8
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
0.7
0.5
0.5
0.5
0.2
0.5
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
A
A
A
S
R
B
A
C
B
A
T
C
B
A
C
U
B
A
T
C
U
B
A
D
C
U
B
D
C
U
D
V
C
V
D
T491A105(1)016A(2)
T491A155(1)016A(2)
T491A225(1)016A(2)
T491S225(1)016A(2)
T491R225(1)016A(2)
T491B335(1)016A(2)
T491A335(1)016A(2)
T491C475(1)016A(2)
T491B475(1)016A(2)
T491A475(1)016A(2)
T491T475(1)016A(2)
T491C685(1)016A(2)
T491B685(1)016A(2)
T491A685(1)016A(2)
T491C106(1)016A(2)
T491U106(1)016A(2)
T491B106(1)016A(2)
T491A106(1)016A(2)
T491T106(1)016A(2)
T491C156(1)016A(2)
T491U156(1)016A(2)
T491B156(1)016A(2)
T491A156(1)016A(2)
T491D226(1)016A(2)
T491C226(1)016A(2)
T491U226(1)016A(2)
T491B226(1)016A(2)
T491D336(1)016A(2)
T491C336(1)016A(2)
T491U336(1)016A(2)
T491D476(1)016A(2)
T491V476(1)016A(2)
T491C476(1)016A(2)
T491V686(1)016A(2)
T491D686(1)016A(2)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.75
0.8
0.8
0.8
1.1
1.1
1.1
1.6
1.6
1.6
1.6
1.6
2.4
2.4
2.4
2.4
3.6
3.6
3.6
3.6
5.3
5.3
5.3
7.5
7.5
7.5
10.9
10.9
4.0
6.0
6.0
6.0
8.0
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
6.0
6.0
6.0
8.0
6.0
6.0
10.0
6.0
6.0
6.0
12.0
6.0
6.0
6.0
6.0
6.0
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
Capaci-
tance
Case
Size
KEMET
DC
Leakage
μ
A @ 25oC
Max
DF %
@ +25oC
120 Hz
Max
ESR
Ω
@ +25°C
100 kHz
100.0
100.0
#100.0
#150.0
#150.0
#220.0
#220.0
X
V
D
X
D
X
E
20 Volt Rating at +85oC (13 Volt Rating at + 125oC)
T491X107(1)016A(2)
T491V107(1)016A(2)
T491D107(1)016A(2)
T491X157(1)016A(2)
T491D157(1)016A(2)
T491X227(1)016A(2)
T491E227(1)016A(2)
16.0
16.0
16.0
24.0
24.0
35.2
35.2
8.0
12.0
8.0
8.0
12.0
10.0
7.2
0.7
0.7
0.7
0.5
0.7
0.5
0.9
0.47
0.68
1.0
1.0
#1.0
1.5
1.5
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
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
#100.0
#150.0
R
A
A
S
R
A
S
B
A
B
A
T
C
B
A
C
U
B
A
C
U
B
D
C
D
V
C
D
C
V
C
D
X
D
X
E
X
T491R474(1)020A(2)
T491A684(1)020A(2)
T491A105(1)020A(2)
T491S105(1)020A(2)
T491R105(1)020A(2)
T491A155(1)020A(2)
T491S155(1)020A(2)
T491B225(1)020A(2)
T491A225(1)020A(2)
T491B335(1)020A(2)
T491A335(1)020A(2)
T491T335(1)020A(2)
T491C475(1)020A(2)
T491B475(1)020A(2)
T491A475(1)020A(2)
T491C685(1)020A(2)
T491U685(1)020A(2)
T491B685(1)020A(2)
T491A685M020A(2)
T491C106(1)020A(2)
T491U106(1)020A(2)
T491B106(1)020A(2)
T491D156(1)020A(2)
T491C156(1)020A(2)
T491D226(1)020A(2)
T491V226(1)020A(2)
T491C226(1)020A(2)
T491D336(1)020A(2)
T491C336M020A(2)
T491V336(1)020A(2)
T491C476M020A(2)
T491D476(1)020A(2)
T491X686(1)020A(2)
T491D686(1)020A(2)
T491X107(1)020A(2)
T491E107(1)020A(2)
T491X157(1)020A(2)
25 Volt Rating at +85oC (17 Volt Rating at +125oC)
0.1
0.5
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
1.4
1.4
1.4
1.4
2.0
2.0
2.0
3.0
3.0
4.4
4.4
4.4
6.6
6.6
6.6
9.4
9.4
13.6
13.6
20.0
20.0
30.0
4.0
4.0
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
8.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
8.0
10.0
6.0
6.0
8.0
8.0
8.0
10.0
35.0
12.0
9.0
18.0
20.0
6.5
15.0
3.5
7.0
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
1.0
1.7
0.8
0.7
1.2
0.8
1.2
0.7
0.9
0.7
0.7
0.7
0.5
0.5
0.5
0.33
0.47
0.68
1.0
1.0
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
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
A
A
A
B
A
B
A
C
B
C
B
C
B
A
C
B
D
C
D
C
D
C
V
X
D
C
X
D
X
D
X
T491A334(1)025A(2)
T491A474(1)025A(2)
T491A684(1)025A(2)
T491B105(1)025A(2)
T491A105(1)025A(2)
T491B155(1)025A(2)
T491A155(1)025A(2)
T491C225(1)025A(2)
T491B225(1)025A(2)
T491C335(1)025A(2)
T491B335(1)025A(2)
T491C475(1)025A(2)
T491B475(1)025A(2)
T491A475M025A(2)
T491C685(1)025A(2)
T491B685(1)025A(2)
T491D106(1)025A(2)
T491C106(1)025A(2)
T491D156(1)025A(2)
T491C156(1)025A(2)
T491D226(1)025A(2)
T491C226(1)025A(2)
T491V226(1)025A(2)
T491X336(1)025A(2)
T491D336(1)025A(2)
T491C336M025A(2)
T491X476(1)025A(2)
T491D476(1)025A(2)
T491X686M025A(2)
T491D686M025A(2)
T491X107M025A(2)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.9
0.9
1.2
1.2
1.2
1.7
1.7
2.5
2.5
3.8
3.8
5.5
5.5
5.5
8.3
8.3
8.3
11.8
11.8
17.0
17.0
25.0
4.0
4.0
4.0
4.0
4.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
8.0
6.0
8.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
10.0
6.0
10.0
8.0
10.0
8.0
15.0
14.0
10.0
5.0
8.0
5.0
7.5
3.5
4.5
2.5
3.5
2.4
1.5
6.0
1.9
2.8
1.0
1.5
1.0
1.5
0.8
1.4
0.7
0.7
0.7
1.2
0.7
0.7
0.7
0.7
0.3
16 Volt Rating at +85oC (10 Volt Rating at +125oC)