KEMET®
SOLID TANTALUM CHIP CAPACITORS
T491 SERIES - Precision Molded Chip
FEATURES
•
•
•
•
•
•
Meets or Exceeds EIA Standard 535BAAC
Taped and Reeled per EIA 481-1
Symmetrical, Compliant Terminations
Optional Gold-plated Terminations
Laser-marked Case
•
•
•
•
•
Capacitance: 0.1 ꢀF to 1000 ꢀF
Tolerance: ±10% , ±20%
Voltage: 3-50 VDC
Extended Range Values
New Low Profile Case Sizes
100% Surge current test on C, D, E, U, V, X sizes
CAPACITOR OUTLINE DRAWING
CATHODE (-) END
VIEW
SIDE VIEW
ANODE (+) END
VIEW
BOTTOM VIEW
B
W
B
H
E
F
K
T
P
A
L
Termination
cutout at
KEMETs
Option,
S
R
S
X
G
either end
STANDARD T491 DIMENSIONS
Millimeters (inches)
COMPONENT
CASE SIZE
± 0.20
± 0.1
± 0.3
± 0.15
B
X
P
R
T
A
G
E
K*
F*
S*
± (.004) ± (.012)
L*
W*
H*
± (.008)
± (.006)
KEMET EIA
(Ref)
(Ref)
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)
A
B
C
D
X
E
3216-18 3.2 ± 0.2
1.6 ±0.2
1.6 ± 0.2
0.9
(.035)
1.1
(.043)
1.4
(.055)
1.5
(.059)
2.3
(.091)
2.3
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
2.4
(.094)
4.1
0.8
(.031)
0.8
(.031)
1.3
(.051)
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
0.4 0.4 0.13 0.8 1.1 1.3
(.126 ± .008) (.063 ±.008) (.063 ± .008)
3528-21 3.5 ± 0.2 2.8 ± 0.2
1.9 ± 0.2
(.138 ± .008) (.110 ± .008) (.075 ± .008)
6032-28 6.0 ± 0.3 3.2 ± 0.3
2.5 ± 0.3
(.236 ± .012) (.126 ± .012) (.098 ± .012)
7343-31 7.3 ± 0.3 4.3 ± 0.3
2.8 ± 0.3
(.287 ± .012) (.169 ± .012) (.110 ± .012)
7343-43 7.3 ± 0.3 4.3 ± 0.3
4.0 ± 0.3
(.287 ± .012) (.169 ± .012) (.157 ± .012)
7260-38 7.3 ± 0.3 6.0 ± 0.3
3.6 ± 0.2
(.287 ± .012) (.236 ± .012) (.142 ± .008)
(.004 ± .004) (.016) (.016) (.005) (.031) (.043) (.051)
0.10 ± 0.10 0.5 1.0 0.13 1.1 1.8 2.2
(.004 ± .004) (.020) (.039) (.005) (.043) (.071) (.087)
0.10 ± 0.10 0.9 1.0 0.13 2.5 2.8 2.4
(.004 ± .004) (.035) (.039) (.005) (.098) (.110) (.094)
0.10 ± 0.10 0.9 1.0 0.13 3.8 3.5 3.5
(.004 ± .004) (.035) (.039) (.005) (.150) (.138) (.138)
0.10 ± 0.10 1.7 1.0 0.13 3.8 3.5** 3.5**
(.004 ± .004) (.067) (.039) (.005) (.150) (.138) (.138)
0.10 ± 0.10 0.9 1.0 0.13 3.8 3.5 3.5
(.004 ± .004) (.035) (.039) (.005) (.150) (.138) (.138)
(.020)
0.5
(.020)
(.091)
(.161)
(.051)
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
COMPONENT
X
T
A
G
E
EIA
KEMET
L
W
H Max. K Min. F ± 0.1 S ± 0.3
(Ref) (Ref) (Min) (Ref) (Ref)
0.05 0.13 0.8 0.5 0.8
(.020) (.002) (.005) (.031) (.020) (.031)
0.8 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 3.8 3.5 3.5
(.051) (.002) (.005) (.150) (.138) (.138)
R
2012-12 2.0 ± 0.2
1.3 ± 0.2
1.2
0.3
(.012)
0.3
(.012)
0.3
(.012)
0.5
(.020)
0.9
0.9
(.035)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
0.5
(.079 ± .008) (.051 ± .008) (.047)
3216-12 3.2 ± 0.2 1.6 ± 0.2 1.2
(.126 ± .008) (.063 ± .008) (.047)
3528-12 3.5 ± 0.2 2.8 ± 0.2 1.2
(.138 ± .008) (.110 ± .008) (.047)
6032-15 6.0 ± 0.3 3.2 ± 0.3) 1.5
(.236 ± .012) (.126 ± .012) (.059)
7343-20 7.3 ± 0.3 4.3 ± 0.3 2.0
(.287 ± .012) (.169 ± .012) (.079)
S
T
U
V
(.035)
(.094)
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.
T491 ORDERING INFORMATION
T 491 B 105 M 035 A S*
Ta nta lum
Lead Material
S - Standard Solder -Coated (90% Sn/10% Pb)
G - Gold Plated (A, B, C, D, X only)
T - 100% Tin (Sn) Plated and Reflowed
Failure Rate
S e rie s
T491 - P re c is ion Mold e d
Ca s e Size
A, B, C, D, E, R, S, T, U, V, X
A - Not Applicable
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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