Tantalum Surface Mount Capacitors – Standard Tantalum
T491 Industrial Grade MnO 2 Series
Table 1 – Ratings & Part Number Reference cont'd
Rated
Voltage
Rated
Cap
Case Code/
Case Size
KEMET Part
Number
DC
Leakage
DF
ESR
Maximum Allowable
Ripple Current
Moisture
Sensitivity
VDC
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
VDC
μF
0.22
0.33
0.33
0.47
0.47
0.47
0.68
0.68
0.68
1
1
1
1
1.5
1.5
2.2
2.2
3.3
3.3
4.7
6.8
6.8
10
10
15
22
μF
KEMET/EIA
A/3216-18
A/3216-18
B/3528-21
A/3216-18
C/6032-28
B/3528-21
A/3216-18
C/6032-28
B/3528-21
A/3216-18
C/6032-28
B/3528-21
V/7343-20
D/7343-31
C/6032-28
D/7343-31
C/6032-28
C/6032-28
D/7343-31
D/7343-31
X/7343-43
D/7343-31
X/7343-43
D/7343-31
X/7343-43
X/7343-43
KEMET/EIA
(See below for
part options)
T491A224(1)050AT
T491A334(1)050A(2)
T491B334(1)050A(2)
T491A474(1)050A(2)
T491C474(1)050A(2)
T491B474(1)050A(2)
T491A684(1)050A(2)
T491C684(1)050A(2)
T491B684(1)050A(2)
T491A105(1)050A(2)
T491C105(1)050A(2)
T491B105(1)050A(2)
T491V105(1)050A(2)
T491D155(1)050A(2)
T491C155(1)050A(2)
T491D225(1)050A(2)
T491C225(1)050A(2)
T491C335(1)050AT
T491D335(1)050A(2)
T491D475(1)050A(2)
T491X685(1)050A(2)
T491D685(1)050A(2)
T491X106(1)050A(2)
T491D106(1)050A(2)
T491X156(1)050A(2)
T491X226(1)050A(2)
(See below for
part options)
μA @ +20oC
Maximum/
5 Minutes
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.8
0.8
1.1
1.1
1.7
1.7
2.4
3.4
3.4
5.0
5.0
7.5
11.0
μA @ +20oC
Maximum/
5 Minutes
% @ +20oC
120 Hz
Maximum
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
6.0
4.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
8.0
10.0
% @ +20oC
120 Hz
Maximum
Ω @ +20oC
100 kHz
Maximum
18.0
14.0
10.0
9.5
8.0
9.0
8.0
7.0
8.0
7.0
5.0
6.0
6.0
3.5
4.5
2.5
3.0
2.5
2.0
1.2
1.0
1.0
0.7
0.8
0.7
0.6
Ω @ +20oC
100 kHz
Maximum
(mA)
100 kHz
25oC
65
73
92
280
117
97
97
125
103
104
148
119
144
207
156
245
191
210
274
354
406
387
486
433
486
524
(mA)
100 kHz
25oC
(mA)
100 kHz
+85oC
59
66
83
253
105
87
87
113
93
94
133
107
130
186
140
221
172
189
247
319
365
348
437
390
437
472
(mA)
100 kHz
+85oC
(mA)
100 kHz
+125oC
26
29
37
112
47
39
39
50
41
42
59
48
58
83
62
98
76
84
110
142
162
155
194
173
194
210
(mA)
100 kHz
+125oC
Reflow Temperature
≤ 260 oC
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
Reflow Temperature
≤ 260 oC
Rated
Voltage
Rated
Cap
Case Code/
Case Size
KEMET Part
Number
DC
Leakage
DF
ESR
Maximum Allowable
Ripple Current
Moisture
Sensitivity
(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.
? KEMET Electronics Corporation ? P.O. Box 5928 ? Greenville, SC 29606 (864) 963-6300 ? www.kemet.com
Roll Over for
Order Info.
T2005_T491 ? 10/8/2013
12
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