Tantalum Surface Mount Capacitors – Standard Tantalum
T491 Industrial Grade MnO2 Series
Table 1 – Ratings & Part Number Reference cont'd
Rated Rated Case Code/ KEMET Part
DC
Leakage
Maximum Allowable
Ripple Current
Moisture
Sensitivity
DF
ESR
Voltage Cap
Case Size
Number
µA @ +20ºC
Maximum/
5 Minutes
% @ +20ºC
120 Hz
Maximum
Ω @ +20ºC
100 kHz
Maximum
(mA)
100 kHz
25ºC
(mA)
100 kHz
+85ºC
(mA)
100 kHz
+125ºC
(See below for
part options)
Reflow Temperature
≤ 260 ºC
VDC
µF
KEMET/EIA
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
15
15
15
15
22
22
22
22
33
33
33
33
47
47
47
68
68
68
68
68
100
100
100
100
150
150
220
220
0.68
1
C/6032-28
U/6032-15
B/3528-21
A/3216-18
T/3528-12
C/6032-28
U/6032-15
B/3528-21
A/3216-18
D/7343-31
C/6032-28
U/6032-15
B/3528-21
D/7343-31
C/6032-28
U/6032-15
B/3528-21
D/7343-31
V/7343-20
C/6032-28
V/7343-20
C/6032-28
W/7343-15
D/7343-31
C/6032-28
X/7343-43
C/6032-28
V/7343-20
D/7343-31
X/7343-43
D/7343-31
X/7343-43
E/7360-38
A/3216-18
A/3216-18
S/3216-12
A/3216-18
S/3216-12
B/3528-21
A/3216-18
B/3528-21
A/3216-18
T/3528-12
C/6032-28
B/3528-21
A/3216-18
C/6032-28
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)
T491B336(1)016A(2)
T491D476(1)016A(2)
T491V476(1)016A(2)
T491C476(1)016A(2)
T491V686(1)016A(2)
T491C686(1)016AT
T491W686(1)016AT
T491D686(1)016A(2)
T491C686(1)016A(2)
T491X107(1)016A(2)
T491C107(1)016AT
T491V107(1)016A(2)
T491D107(1)016A(2)
T491X157(1)016A(2)
T491D157(1)016A(2)
T491X227(1)016A(2)
T491E227(1)016A(2)
T491A684(1)020A(2)
T491A105(1)020A(2)
T491S105(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)
1.6
1.6
1.6
1.6
1.6
2.4
2.4
2.4
2.4
3.5
3.5
3.5
3.5
5.3
5.3
5.3
5.3
7.5
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
8.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
12.0
8.0
10.0
12.0
8.0
8.0
12.0
10.0
7.2
1.8
1.8
2.8
7.0
8.0
1.8
1.8
2.3
3.5
0.8
1.6
3.0
2.2
0.8
1.2
3.0
2.1
0.8
0.7
1.2
0.7
1.2
0.8
0.7
1.2
0.7
1.0
0.7
0.7
0.5
0.7
0.5
0.9
12.0
9.0
18.0
6.5
15.0
3.5
7.0
3.0
4.5
5.0
2.4
3.0
3.5
247
224
174
104
94
222
202
157
94
99
90
70
42
38
99
90
77
58
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
85
247
224
192
146
433
262
173
197
433
303
173
201
433
423
303
423
303
474
463
303
486
332
423
463
574
463
574
471
79
222
202
173
131
390
236
156
177
390
273
156
181
390
381
273
381
273
427
417
273
437
299
381
417
517
417
517
424
71
82
52
96
57
140
94
151
116
106
193
151
131
217
196
166
173
105
69
79
173
121
69
80
173
169
121
169
121
190
185
121
194
133
169
185
230
185
230
188
32
36
23
43
25
62
42
67
52
7.5
7.5
10.9
10.9
10.9
10.9
10.9
16.0
16.0
16.0
16.0
24.0
24.0
35.2
35.2
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.7
0.7
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
91
58
107
63
1
1.5
1.5
2.2
2.2
3.3
3.3
3.3
4.7
4.7
4.7
6.8
6.8
156
104
168
129
118
214
168
146
241
218
184
0.7
0.9
0.9
0.9
47
86
67
58
96
87
T491C685(1)020A(2)
1.4
6.0
1.9
T
491
X
157
K
020
A
T
U/6032-15
B/3528-21
T491U685(1)020A(2)
1.4
6.0
1.9
Capacitor
Capacitance
Capacitance
Failure Rate/
6.8
T491B685(1)020A(2)
1.4
6.0
2.5
74
Series
Case Size
Voltage
Lead Material
Packaging (C-Spec)
Class
Code (pF)
T491A685(M)020A(2)
Tolerance
Design
6.0
6.8
A/3216-18
1.4
8.0
112
101
45
1
µA @ +20ºC
% @ +20ºC
Ω @ +20ºC
100 kHz
Maximum
(mA)
(mA)
100 kHz
+85ºC
(mA)
T =
Tantalum
Industrial
A, B, C, D,
E, S, T, U,
V, X
First two digits
K = ±10%
2R5 = 2.5 V
A = N/A
T = 100% Matte Tin (Sn) Blank = 7" Reel
(See below for
Reflow Temperature
VDC
µF
KEMET/EIA
Maximum/
120 Hz
100 kHz
100 kHz
part options)
≤ 260 ºC
7280 = 13" Reel
+125ºC
represent
M = ±20%
003 = 3 V
Plated*
5 Minutes
Maximum
25ºC
signi ꢀcantꢀ
004 = 4 V
H = Standard Solder
Rated
Voltage
Rated
Cap
Case Code/
Case Size
KEMET Part
DC
Leakage
Maximum Allowable
Moisture
Sensitivity
ꢀgures.ꢀThirdꢀdigitꢀ
006 = 6.3 V
Coated (SnPb 5% Pb
DF
ESR
Number
Ripple Current
speci ꢀesꢀnumberꢀ
010 = 10 V
016 = 16 V
minimum)
G = Gold Plated (A, B, C,
D, X only)
N = Non-Magnetic 100%
Tin (Sn)
M = Non-Magnetic (SnPb)
of zeros.
(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates capacitance tolerance.
020 = 20 V
(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-
025 = 25 V
Magnetic 100% Tin (Sn), M = Non-Magnetic (SnPb). Designates Termination Finish35 = 35 V
050 = 50 V
0.
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.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
T2005_T491 • 10/8/2013
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