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
100% Surge current test on C, D, E, U, V, X sizes
Halogen Free Epoxy
Capacitance: 0.1 F to 1000 F
CATHODE (-) END
VIEW
W
SIDE VIEW
B
B
H
K
X
S
T
G
S
•
•
•
•
•
•
Tolerance: ±10%, ±20%
Voltage: 2.5-50 VDC
Extended Range Values
Low Profile Case Sizes
RoHS Compliance & Lead Free Terminations
(See www.kemet.com for transition information)
Operating Temperature: -55˚C to +125˚C
CAPACITOR OUTLINE DRAWING
ANODE (+) END
VIEW
BOTTOM VIEW
E
P
R
Termination
cutout at
KEMETs
Option,
either end
F
A
L
STANDARD T491 DIMENSIONS
Millimeters (inches)
CASE SIZE
KEMET
A
B
C
D
X
E
EIA
3216-18
3528-21
6032-28
7343-31
7343-43
7260-38
L*
3.2
±
0.2
(.126
±
.008)
3.5
±
0.2
(.138
±
.008)
6.0
±
0.3
(.236
±
.012)
7.3
±
0.3
(.287
±
.012)
7.3
±
0.3
(.287
±
.012)
7.3
±
0.3
(.287
±
.012)
W*
1.6
±0.2
(.063
±.008)
2.8
±
0.2
(.110
±
.008)
3.2
±
0.3
(.126
±
.012)
4.3
±
0.3
(.169
±
.012)
4.3
±
0.3
(.169
±
.012)
6.0
±
0.3
(.236
±
.012)
H*
1.6
±
0.2
(.063
±
.008)
1.9
±
0.2
(.075
±
.008)
2.5
±
0.3
(.098
±
.012)
2.8
±
0.3
(.110
±
.012)
4.0
±
0.3
(.157
±
.012)
3.6
±
0.2
(.142
±
.008)
K*
±
0.20
±
(.008)
COMPONENT
B
F*
±
0.1
S*
±
0.3
(Ref)
±
0.15
±
(.006)
±
(.004)
±
(.012)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
2.4
(.094)
4.1
(.161)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
1.3
(.051)
1.3
(.051)
0.4
(.016)
0.4
(.016)
0.5
(.020)
0.5
(.020)
0.5
(.020)
0.5
(.020)
X
(Ref)
0.10
±
0.10
(.004
±
.004)
0.10
±
0.10
(.004
±
.004)
0.10
±
0.10
(.004
±
.004)
0.10
±
0.10
(.004
±
.004)
0.10
±
0.10
(.004
±
.004)
0.10
±
0.10
(.004
±
.004)
P
R
T
A
G
E
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)
0.4
(.016)
0.5
(.020)
0.9
(.035)
0.9
(.035)
1.7
(.067)
0.9
(.035)
0.4
(.016)
1.0
(.039)
1.0
(.039)
1.0
(.039)
1.0
(.039)
1.0
(.039)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
1.4
(.055)
2.1
(.083)
3.1
(.122)
3.8
(.150)
3.8
(.150)
3.8
(.150)
1.1
(.043)
1.8
(.071)
2.8
(.110)
3.5
(.138)
3.5
(.138)
3.5
(.138)
1.3
(.051)
2.2
(.087)
2.4
(.094)
3.5
(.138)
3.5
(.138)
3.5
(.138)
0.9
(.035)
1.1
(.043)
1.4
(.055)
1.5
(.059)
2.3
(.091)
2.3
(.091)
Notes:
1. Metric dimensions govern.
2. (Ref) - Dimensions provided for reference only.
* Mil-C-55365/8 Specified Dimensions
LOW PROFILE T491 DIMENSIONS
Millimeters (inches)
CASE
SIZE
KEMET
R
S
T
U
V
EIA
2012-12
3216-12
3528-12
6032-15
7343-20
L
2.0
±
0.2
(.079
±
.008)
3.2
±
0.2
(.126 .008)
3.5
±
0.2
(.138
±
.008)
6.0 0.3
(.236 .012)
7.3
±
0.3
(.287
±
.012)
W
1.3
±
0.2
(.051
±
.008)
1.6
±
0.2
2.8
±
0.2
(.1
±
.008)
4.3
±
0.3
(.169
±
.012)
H Max.
1.2
(.047)
1.2
(.047)
1.2
(.047)
1.5
(.059)
2.0
(.079)
COMPONENT
K Min.
0.3
(.012)
0.3
(.012)
0.3
(.012)
0.5
(.020)
0.9
(.035)
F
±
0.1
0.9
(.035)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
S
±
0.3
0.5
(.020)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
X
(Ref)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
T
(Ref)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
A
(Min)
0.8
(.031)
1.4
(.055)
2.1
(.083)
3.1
(.122)
3.8
(.150)
G
(Ref)
0.5
(.020)
1.1
(.043)
1.8
(.071)
2.8
(.110)
3.5
(.138)
E
(Ref)
0.8
(.031)
1.3
(.051)
2.2
(.087)
2.4
(.094)
3.5
(.138)
Notes:
1. Metric dimensions govern.
.
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
Tantalum
Series
491
B
105
M
035
A
S*
*Pb-free supply is not guaranteed with
the ‘S’ termination code.
This termination code not available
effective 15 July 2007.
T491 - Precision Molded
A,B,C,D,E,R,S,T,U,V,X
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
T = 100% Tin (Sn) Plated
H =
Tin/Lead
(SnPb 5% Pb minimum)
G = Gold Plated (A,B,C,D,X only)
**S = Not recommended for new designs
Lead Material
Case Size
A = Not Applicable
Failure Rate
Capacitance Picofarad Code
Voltage
Capacitance Tolerance
As shown
*Part number example: T491B105M035AT (14 digits - no spaces). See www.kemet.com for Pb Free transition.
** “S” Termination codes are converting from 90Sn/10 Pb to 100% tin finishes. Orders including “S” suffix
termination codes do not quarantee Pb-free product.
M = ±20%; K = ±10%
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
15
Solid Tantalum Surface Mount
KEMET [ KEMET CORPORATION ]
