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
P
A
L
Termination
cutout at
KEMETs
Option,
S
R
S
X
G
either end
STANDARD T491 DIMENSIONS
Millimeters (inches)
Component
Case Size
X
(Ref)
P
R
T
A
G
E
F* ± 0.1 S* ± 0.3
B ± 0.15
(Ref) ± .006
KEMET
EIA
L*
W*
H*
± (.004)
± (.012)
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)
3.2 ± 0.2
1.6 ± 0.2
1.6 ± 0.2
1.2
0.8
(.031)
0.4
(.016)
0.10 ± 0.10
0.4 0.4 0.13 1.4 1.1 1.3
A
B
C
D
X
E
3216-18
3528-21
6032-28
7343-31
7343-43
7260-38
(.126 ± .008) (.063 ± .008) (.063 ± .008) (.047)
3.5 ± 0.2 2.8 ± 0.2 1.9 ± 0.2 2.2
(.138 ± .008) (.110 ± .008) (.075 ± .008) (.087)
(.004 ± .004) (.016) (.016) (.005) (.055) (.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 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)
0.8
(.031)
0.4
(.016)
6.0 ± 0.3
.236 ± .012
3.2 ± 0.3
2.5 ± 0.3
2.2
1.3
(.051)
0.5
(.020)
(.126 ± .012) (.098 ± .012) (.087)
7.3 ± 0.3
4.3 ± 0.3 2.8 ± 0.3 2.4
1.3
(.051)
0.5
(.020)
(.287 ± .012) (.169 ± .012) (.110 ± .012) (.094)
7.3 ± 0.3 4.3 ± 0.3 4.0 ± 0.3 2.4
(.287 ± .012) (.169 ± .012) (.157 ± .012) (.094)
7.3 ± 0.3 6.0 ± 0.3 3.6 ± 0.2 4.1
(.287 ± .012) (.236 ± .012) (.142 ± .008) (.161)
1.3
(.051)
0.5
(.020)
1.3
(.051)
0.5
(.020)
Notes: 1. Metric dimensions govern
2. (Ref) Dimensions provided for reference only
* Mil-PRF-55365/8 Specified Dimensions
LOW PROFILE T491 DIMENSIONS
Millimeters (inches)
Component
Case Size
X
(Ref)
T
A
G
E
F* ± 0.1 S* ± 0.3
KEMET
EIA
L*
W*
H max
± (.004)
± (.012)
(Ref) (Min) (Ref) (Ref)
2.0 ± 0.2
1.3 ± 0.2
1.2
(.047)
0.9
(.035)
0.5
(.020)
0.05
(.002)
0.13 0.8 0.5 0.8
R
S
T
2012-12
3216-12
3528-12
6032-15
7343-20
(.079 ± .008) (.051 ± .008)
3.2 ± 0.2 1.6 ± 0.2
(.126 ± .008) (.063 ± .008)
3.5 ± 0.2 2.8 ± 0.2
(.138 ± .008) (.110 ± .008)
6.0 ± 0.3 3.2 ± 0.3
(.236 ± .012) (.126 ± .012)
7.3 ± 0.3 4.3 ± 0.3
(.287 ± .012) (.169 ± .012)
(.005) (.031) (.020) (.031)
0.13 1.4 1.1 1.3
(.005) (.055) (.043) (.051)
0.13 1.1 1.8 2.2
(.005) (.083) (.071) (.087)
0.13 3.1 2.8 2.4
(.005) (.122) (.110) (.094)
0.13 3.8 3.5 3.5
(.005) (.150) (.138) (.138)
1.2
(.047)
1.2
(.047)
0.8
(.031)
0.05
(.002)
1.2
(.047)
2.2
(.087)
0.8
(.031)
0.05
(.002)
1.5
(.059)
2.2
(.087)
1.3
(.051)
0.05
(.002)
U
V
2.0
(.079)
2.4
(.094)
1.3
(.051)
0.05
(.002)
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
S
685
K
004
A
T
Tantalum
Lead Material
T = 100% Matte Tin (Sn) Plated*
H = Standard Solder Coated
(SnPb 5% Pb minimum)
Series
491 – Industrial
G = Gold Plated (A,B,C,D,X only
Case Size
A,B,C,D,E,R,S,T,U,V,X
Failure Rate
A = Not Applicable
Capacitance Picofarad Code
First two digits represent
significant figures. Third digit
specifies number of zeros.
Voltage
As Shown
Capacitance Tolerance
M = ±20%
K = ±10%
*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.
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
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