KEMET®
TANTALUM CHIP CAPACITORS
T491 SERIES - Precision Molded Chip
FEATURES
•
•
•
•
•
•
Meets or Exceeds EIA Standard 535BAAC
•
•
•
•
•
Capacitance: 0.1 F to 470 F
Taped and Reeled per EIA 481-1
Symmetrical, Compliant Terminations
Optional Gold-plated Terminations
Laser-marked Case
Tolerance: 10%, 20%
Voltage: 3-50 VDC
Extended Range Values
New Low Profile Case Sizes
100% Surge current test on C, D, U, V, X sizes
CAPACITOR OUTLINE DRAWING
CATHODE (-) END
VIEW
ANODE (+) END
VIEW
SIDE VIEW
BOTTOM VIEW
B
W
B
H
E
F
T
K
P
Notch at
KEMET's
Option,
A
L
R
S
S
G
X
either end
STANDARD T491 DIMENSIONS
Millimeters (inches)
COMPONENT
CASE SIZE
EIA/
KEMET IECQ
±
±
0.20
±
±
0.1
±
±
0.3
±
±
0.15
B
X
P
R
T
A
G
E
K*
F*
S*
(.004)
L*
W*
H*
(.008)
(.012)
(.006)
(Ref)
(Ref)
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)
0.4 0.4 0.13 0.8 1.1 1.3
.004) (.016) (.016) (.005) (.031) (.043) (.051)
0.10 0.5 1.0 0.13 1.1 1.8 2.2
.004) (.020) (.039) (.005) (.043) (.071) (.087)
0.10 0.9 1.0 0.13 2.5 2.8 2.4
.004) (.035) (.039) (.005) (.098) (.110) (.094)
0.10 0.9 1.0 0.13 3.8 3.5 3.5
.004) (.035) (.039) (.005) (.150) (.138) (.138)
0.10 1.7 1.0 0.13 3.8 3.5** 3.5**
.004) (.067) (.039) (.005) (.150) (.138) (.138)
A
B
C
D
X
3216
3528
6032
7343
7343H
3.2
±
±
±
±
±
±
±
±
±
±
0.2
1.6
±
±
±
±
±
±
±
±
±
±
0.2
.008) (.063
0.2
1.9
.008) (.075
0.3
2.5
.012) (.098
0.3
2.8
.012) (.110
0.3
4.0
.012) (.157
1.6
±
±
±
±
±
±
±
±
±
±
0.2
0.9
(.035)
1.1
(.043)
1.4
(.055)
1.5
(.059)
2.3
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
2.4
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
1.3
0.4
(.016)
0.4
(.016)
0.5
(.020)
0.5
(.020)
0.5
0.10
±
±
±
±
±
±
±
±
±
±
0.10
(.126
3.5
(.138
6.0
(.236
7.3
(.287
7.3
.008) (.063
0.2 2.8
.008) (.110
0.3 3.2
.012) (.126
0.3 4.3
.012) (.169
0.3 4.3
.012) (.169
.008)
0.2
(.004
0.10
(.004
0.10
(.004
0.10
(.004
0.10
(.004
.008)
0.3
.012)
0.3
.012)
0.3
(.287
.012)
(.091)
(.094)
(.051)
(.020)
Notes: 1. Metric dimensions govern.
2. (Ref) - Dimensions provided for reference only.
* Mil-C-55365/8 Specified Dimensions
** Round Glue Pad: 2.9 ±0.1mm (0.114" ±0.004") in diameter at KEMET’s option
LOW PROFILE T491 DIMENSIONS
Millimeters (inches)
CASE SIZE
EIA/
COMPONENT
X
T
A
G
E
KEMET
L
W
H Max. K Min. F ± 0.1 S ± 0.3
IECQ
(Ref) (Ref) (Min) (Ref) (Ref)
0.05 0.13 0.8 1.1 1.3
(.031) (.002) (.005) (.031) (.043) (.051)
0.8 0.05 0.13 1.1 1.8 2.2
(.031) (.002) (.005) (.043) (.071) (.087)
1.3 0.05 0.13 2.5 2.8 2.4
(.051) (.002) (.005) (.098) (.110) (.094)
1.3 0.05 0.13 2.5 2.8 2.4
(.051) (.002) (.005) (.098) (.110) (.094)
1.3 0.05 0.13 3.8 3.5 3.5
(.051) (.002) (.005) (.150) (.138) (.138)
S
3216L
3.2 ± 0.2
1.6 ± 0.2
1.2
0.3
(.012)
0.3
(.012)
0.5
1.2
(.047)
2.2
(.087)
2.2
0.8
(.126 ± .008) (.063 ± .008) (.047)
3.5 ± 0.2 2.8 ± 0.2 1.2
(.138 ± .008) (.110 ± .008) (.047)
6.0 ± 0.3 3.2 ± 0.3) 1.0
3528L
6032L
6032L
7343L
T
*Q
U
(.236 ± .012) (.126 ± .012) (0.039) (0.020) (.087)
6.0 ± 0.3 3.2 ± 0.3) 1.5 0.5 2.2
(.236 ± .012) (.126 ± .012) (0.059) (0.020) (.087)
7.3 ± 0.3 4.3 ± 0.3 2.0 1.1 2.4
(.287 ± .012) (.169 ± .012) (0.079) (0.043) (.094)
V
Notes: 1. Metric dimensions govern.
2. (Ref) - Dimensions provided for reference only.
3. No dimensions provided for B, P or R because low profile cases do not have a bevel or a notch.
* Under development
T491 ORDERING INFORMATION
T 491 B 105 M 035 A S*
Tantalum
Lead Material
S - Standard Solder -Coated
Series
G - Gold Plated (A, B, C, D, X only)
T491 - Precision Molded
Failure Rate
A - Not Applicable
Case Size
A, B, C, D, S, T, U, V, X
Voltage
Capacitance Picofarad Code
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
Capacitance Tolerance
M - ± 20%
K - ±10%
*Part number example: T491B105M035AS (14 digits - no spaces)
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
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