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
•
•
•
•
•
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
100% Surge current test on C, D, E, U, V, X sizes
Halogen Free Epoxy
•
Capacitance: 0.1 ꢀF to 1000 ꢀF
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)
CASE SIZE
COMPONENT
0.20
(.008)
0.1
0.3
0.15
(.006)
B
(Ref)
X
(Ref)
P
R
T
A
G
E
K*
F*
S*
(.004)
L*
W*
H*
(.012)
KEMET
EIA
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)
A
3216-18
3.2 0.2
1.6 0.2
1.6 0.2
0.9
1.2
0.8
0.4
0.10 0.10
0.4
0.4
0.13
1.4
1.1
1.3
(.126 .008) (.063 .008) (.063 .008)
3.5 0.2 2.8 0.2
1.9 0.2
(.138 .008) (.110 .008) (.075 .008)
6.0 0.3 3.2 0.3
2.5 0.3
(.236 .012) (.126 .012) (.098 .012)
7.3 0.3 4.3 0.3
2.8 0.3
(.287 .012) (.169 .012) (.110 .012)
7.3 0.3 4.3 0.3
4.0 0.3
(.287 .012) (.169 .012) (.157 .012)
7.3 0.3 6.0 0.3
3.6 0.2
(.287 .012) (.236 .012) (.142 .008)
(.035)
1.1
(.043)
1.4
(.055)
1.5
(.059)
2.3
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
2.4
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
1.3
(.016)
0.4
(.016)
0.5
(.020)
0.5
(.020)
0.5
(.004 .004) (.016) (.016) (.005) (.055) (.043) (.051)
0.10 0.10 0.5 1.0 0.13 2.1 1.8 2.2
(.004 .004) (.020) (.039) (.005) (.083) (.071) (.087)
0.10 0.10 0.9 1.0 0.13 3.1 2.8
2.4
(.004 .004) (.035) (.039) (.005) (.122) (.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)
B
C
D
X
E
3528-21
6032-28
7343-31
7343-43
7260-38
(.091)
2.3
(.091)
(.094)
4.1
(.161)
(.051)
1.3
(.051)
(.020)
0.5
(.020)
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
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 1.4 1.1 1.3
(.031) (.002) (.005) (.055) (.043) (.051)
0.8 0.05 0.13 2.1 1.8 2.2
(.031) (.002) (.005) (.083) (.071) (.087)
1.3 0.05 0.13 3.1 2.8 2.4
(.051) (.002) (.005) (.122) (.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
(.094)
0.5
(.079 .008) (.051 .008) (.047)
3216-12 3.2 0.2
(.126 .008)
1.6 0.2
1.2
(.047)
1.2
S
3528-12 3.5 0.2
2.8 0.2
T
U
V
(.138 .008) (.1
6032-15 6.0 0.3
(.236 .012)
.008) (.047)
1.5
(.059)
2.0
7343-20 7.3 0.3
4.3 0.3
(.287 .012) (.169 .012) (.079)
(.035)
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
491
B
105
M
035
A
S*
Lead Material
Tantalum
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
Series
T491 - Precision Molded
Failure RRate
A = Not Applicable
Case SSize
A,B,C,D,E,R,S,T,U,V,X
Voltage
Capacitance Picofarad Code
As shown
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
Capacitance Tolerance
*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 = ±±0%ꢀ ꢁ = ±10%
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
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