Notes: (Ref) – Dimensions provided for reference only. For low profile cases, no dimensions are provided for B, P or R because these cases do not have a bevel or
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2050_T491_AUTO • 6/8/2021
4
Tantalum Surface Mount Capacitors – Automotive Grade
T491 Automotive/Industrial Grade MnO
2
Table 1 – Ratings & Part Number Reference
Rated
Voltage
VDC at 85°C
4
4
4
4
4
4
4
4
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
10
10
10
VDC at 85°C
Rated
Capacitance
µF
4.7
10
33
47
47
68
100
150
2.2
3.3
4.7
6.8
6.8
10
10
15
15
15
22
22
22
33
33
33
47
47
47
47
68
68
68
68
100
100
100
150
150
220
220
220
330
330
330
470
470
1
1.5
2.2
µF
Case Code/
Case Size
KEMET/EIA
A/3216-18
A/3216-18
B/3528-21
A/3216-18
C/6032-28
C/6032-28
A/3216-18
A/3216-18
A/3216-18
A/3216-18
A/3216-18
A/3216-18
B/3528-21
A/3216-18
B/3528-21
A/3216-18
B/3528-21
C/6032-28
A/3216-18
B/3528-21
C/6032-28
A/3216-18
B/3528-21
C/6032-28
A/3216-18
B/3528-21
C/6032-28
D/7343-31
A/3216-18
B/3528-21
C/6032-28
D/7343-31
B/3528-21
C/6032-28
D/7343-31
C/6032-28
D/7343-31
C/6032-28
D/7343-31
X/7343-43
D/7343-31
X/7343-43
E/7360-38
X/7343-43
E/7360-38
A/3216-18
A/3216-18
A/3216-18
KEMET/EIA
KEMET Part Number
(See below for
part options)
T491A475(1)004A(2)AUTO
T491A106(1)004A(2)AUTO
T491B336(1)004A(2)AUTO
T491A476(1)004A(2)AUTO
T491C476(1)004A(2)AUTO
T491C686(1)004A(2)AUTO
T491A107M004A(2)AUTO
T491A157(1)004A(2)AUTO
T491A225(1)006A(2)AUTO
T491A335(1)006A(2)AUTO
T491A475(1)006A(2)AUTO
T491A685(1)006A(2)AUTO
T491B685(1)006A(2)AUTO
T491A106(1)006A(2)AUTO
T491B106(1)006A(2)AUTO
T491A156(1)006A(2)AUTO
T491B156(1)006A(2)AUTO
T491C156(1)006A(2)AUTO
T491A226(1)006A(2)AUTO
T491B226(1)006A(2)AUTO
T491C226(1)006A(2)AUTO
T491A336(1)006A(2)AUTO
T491B336(1)006A(2)AUTO
T491C336(1)006A(2)AUTO
T491A476(M)006A(2)AUTO
T491B476(1)006A(2)AUTO
T491C476(1)006A(2)AUTO
T491D476(1)006A(2)AUTO
T491A686(1)006A(2)AUTO
T491B686(1)006A(2)AUTO
T491C686(1)006A(2)AUTO
T491D686(1)006A(2)AUTO
T491B107(1)006A(2)AUTO
T491C107(1)006A(2)AUTO
T491D107(1)006A(2)AUTO
T491C157(1)006A(2)AUTO
T491D157(1)006A(2)AUTO
T491C227(1)006A(2)AUTO
T491D227(1)006A(2)AUTO
T491X227(1)006A(2)AUTO
T491D337(1)006A(2)AUTO
T491X337(1)006A(2)AUTO
T491E337(1)006A(2)AUTO
T491X477(1)006A(2)AUTO
T491E477(1)006A(2)AUTO
T491A105(1)010A(2)AUTO
T491A155(1)010A(2)AUTO
T491A225(1)010A(2)AUTO
(See below for
part options)
DC
Leakage
µA +25°C
Maximum/5 Min
0.5
0.5
1.3
1.9
1.9
2.7
4.0
6.0
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.9
0.9
0.9
1.4
1.4
1.4
2.1
2.1
2.1
3.0
3.0
3.0
3.0
4.3
4.3
4.3
4.3
6.3
6.3
6.3
9.5
9.5
14
14
14
20.8
20.8
20.8
29.6
29.6
0.5
0.5
0.5
µA +25°C
Maximum/5 Min
DF
% at +25°C
120 Hz Maximum
6
6
6
10
6
6
30
12
6
6
6
6
6
6
6
6
6
6
6
6
6
12
6
6
12
6
6
6
30
8
6
6
15
8
8
8
8
10
8
8
8
8
8
10
10
4
6
6
% at +25°C
120 Hz Maximum
ESR
Ω at 25°C
100 kHz Maximum
8
4.5
2.5
2.5
1.6
1.5
4.0
2.0
8
7
5.5
6.0
3.5
4
3.5
3.5
3
1.8
4
2.5
1.8
2.5
2.2
1.6
3.5
2
1.5
0.8
4
0.9
1.2
0.8
3.0
0.9
0.8
1.2
0.7
1
0.7
0.7
0.4
0.4
0.5
0.4
0.4
10
8
7
Ω at 25°C
100 kHz Maximum
Maximum
Operating
Temp
°C
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
°C
Rated Voltage
Rated
Capacitance
Case Code/
Case Size
KEMET Part Number
DC
Leakage
DF
ESR
Maximum
Operating
Temp
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates Capacitance tolerance.
(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn)-plated, G = Gold-plated, H = Standard Solder coated (SnPb 5% Pb minimum),
N = Non-Magnetic 100% Tin (Sn), M = Non-Magnetic (SnPb). Designates Termination Finish.
Refer to Ordering Information for additional detail.
Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will
be marked with the higher voltage rating. Substitutions can include better than series.
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