Type T491
Solid Tantalum Chip Capacitors
Solid Tantalum Chip Capacitors for Surface Mount Applications
The T491 Series’ physical outline and dimen-
sions conform to the global standard for tanta-
lum capacitor chips, and the T491 exceeds the
requirements of EIA standard 535BAAC. T491
chips are specifically for automated surface
mount processes and equipment. The termina-
tions
are
100% Matte-Tin.
Reliability and
thermal stability are assured by lead-frame at-
tachments to the tantalum pellet made by micro-
processor-controlled welding and a high tem-
perature silver epoxy adhesive. Standard pack-
aging is compatible with all tape-fed placement
units and with EIA RS- 481-1 tape and reel speci-
fication.
Highlights
♦
♦
♦
♦
♦
Low DF and DC Leakage
Temperature Stable
260 ºC for 10 Seconds Soldering
Meets IECQ Standard
QC300801/US0001
Meets EIA Standard 535BAAC
Specifications
0.10 µF to
330
µF
4 Vdc to 50 VDC
±10% standard, ±20% available
–55 ºC to +125 ºC (with proper derating)
–10% @ –55 ºC; +10% @ +85 ºC;
+12% @ +125 ºC
DC Leakage:
At 25 ºC — See Ratings
At 85 ºC — 10 x 25 ºC limit
At 125 ºC — 12 x 25 ºC limit
Dissipation Factor:
0.1 µF to 1.0 µF — 4%
1.5 µF to 68 µF — 6%
100 µF to
330
µF — 8%
Standard Packaging Tape and Reel:
EIA RS-481-1
Case
Code
Complies with the EU Directive
2002/95/EC requirement
restricting the use of Lead (Pb),
Mercury (Hg), Cadmium (Cd),
Hexavalent chromium (Cr(VI)),
PolyBrominated Biphenyls (PBB)
and PolyBrominated Diphenyl
Ethers (PBDE).
S
T
A
B
C
D
X
Capacitance Range:
Voltage Range:
Tolerance:
Operating Temperature:
Cap Change From Initial Limit:
EIA
IECQ
3216L
3528L
3216
3528
6032
7343
7343H
Qty per
7" Reel
2,500
2,500
2,000
2,000
500
500
500
Tape
Width
8mm
8mm
8mm
8mm
12mm
12mm
12mm
Pitch
4mm
4mm
4mm
4mm
8mm
8mm
8mm
13” Reels Available on Special Order
CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830•
www.cde.com
Type T491
Solid Tantalum Chip Capacitors
Capacitor Outline Drawing
Cathode (–) End
View
W
H
K
X
S
T
G
S
R
P
Notch at
Supplier’s Option
Side View
B
B
Anode (+) End
View
Bottom View
A
E
F
L
Dimensions
EIA/
CDE IECQ
A
B
C
D
X
3216-18
3528-21
6032-28
7343-31
7343-43
Millimeters (Inches)
L
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)
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)
K
0.9 ± 0.2
1.1 ± 0.2
1.4 ± 0.2
1.5 ± 0.2
2.3 ± 0.2
F
1.2 ± 0.1
2.2 ± 0.1
2.2 ± 0.1
2.4 ± 0.1
2.4 ± 0.1
S
0.8 ± 0.3
0.8 ± 0.3
1.3 ± 0.3
1.3 ± 0.3
1.3 ± 0.3
B
(Ref)
0.4 ± 0.15
0.4 ± 0.15
0.5 ± 0.15
0.5 ± 0.15
0.5 ± 0.15
X
(Ref)
0.10 ± 0.10
0.10 ± 0.10
0.10 ± 0.10
0.10 ± 0.10
0.10 ± 0.10
P
R
(Ref) (Ref)
0.4
0.5
(0.02)
0.9
0.9
1.7
0.4
1
(0.039)
1
1
1
T
(Ref)
0.13
(0.005)
0.13
(0.005)
0.13
(0.005)
0.13
(0.005)
0.13
(0.005)
A
(Min)
0.8
(0.031)
1.1
(0.043)
2.5
(0.098)
3.8
(0.15}
3.8
(0.15)
G
(Ref)
1.1
(0.043)
1.8
(0.071)
2.8
(0.11)
3.5
(0.138)
3.5**
(0.138}
E
(Ref)
1.3
(0.051)
2.2
(0.087)
2.9
(0.114)
3.5
(0.138}
3.5**
(0.138)
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)
(.035 ± .008) (.047 ± .004) (.031 ± .012)
(.043 ± .008) (.087 ± .004) (.031 ± .012)
(.055 ± .008) (.087 ± .004) (.051 ± .012)
(.059 ± .008) (.094 ± .004) (.051 ± .012)
(.091 ± .008) (.094 ± .004) (.051 ± .012)
(.016 ± .006) (.004 ± .004) (0.016) (0.016)
(.016 ± .006) (.004 ± .004)
(.020 ± .006) (.004 ± .004) (0.035) (0.039)
(.020 ± .006) (.004 ± .004) (0.035) (0.039)
(.020 ± .006) (.004 ± .004) (0.067) (0.039)
Notes:
1 Metric dimensions govern
2 (Ref) - Dimensions provided for reference only
** Round Glue Pad 2.9 ±0.1mm (.114 ±.004) in diameter at Supplier's option
Low Profile Capacitor Dimensions
EIA/
CDE IECQ
S
T
3216-12
3528-12
Millimeters (Inches)
F
1.2 ± 0.1
2.2 ± 0.1
L
3.2 ± 0.2
3.5 ± 0.2
W
1.6 ± 0.2
2.8 ± 0.2
H Max.
1.2
(0.047)
1.2
(0.047)
K Min.
0.3
(0.012)
0.3
(0.012)
S
0.8 ± 0.3
0.8 ± 0.3
B
(Ref)
Note
3
Note
3
X
(Ref)
0.05
(0.002)
0.05
(0.002)
P
R
T
A
G
E
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)
Note
3
Note
3
Note
3
Note
3
0.13
(0.005)
0.13
(0.005)
0.8
(0.031)
1.1
(0.043)
1.1
1.8
1.3
2.2
(0.043) (0.051)
(0.071) (0.087)
(.126 ± .008) (.063 ± .008)
(.138 ± .008) (.110 ± .008)
(.047 ± .004) (.031 ± .012)
(.087 ± .004) (.031 ± .012)
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 notch
Part Numbering System
T491
A
106
K
025
Voltage
A
Failure Rate
Level
S
–F
RoHS
Compliant
(100%
Matte Tin finish
on terminals)
Series Case Capacitance Tolerance
T491
S, D
T, X
105
= 1.0 µF
226
= 22 µF
K
= ±10%
M
= ±20%
004
= 4 Vdc
A
= Not Applicable
035
= 35 Vdc
A, B, C 227
= 220 µF
CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830•
www.cde.com
Type T491
Solid Tantalum Chip Capacitors
Ratings
Max. DC Max. DF %
Case Code
Max. DC Max. DF %
Case Code
Catalog
Catalog
Leakage
@ 25 ºC
Cap
EIA
Leakage
@ 25 ºC
Cap
EIA
CDE
Part Number
CDE
Part Number
µA @ 25 ºC 120 Hz
(µF)
IECQ
µA @ 25 ºC 120 Hz
(µF)
IECQ
4 WVdc @ +85 ºC
(2.7 WVdc @ 125 ºC)
16 WVdc @ +85 ºC
(10 WVdc @ 125 ºC)
15
33
68
100
100
150
4.7
4.7
6.8
6.8
10
10
10
22
22
33
47
47
68
100
150
220
220
330
2.2
3.3
3.3
4.7
4.7
6.8
6.8
6.8
10
10
15
22
33
47
47
68
100
150
220
T
B
C
C
D
D
A
S
A
B
A
B
T
B
C
C
C
D
C
D
D
X
D
X
A
A
S
A
B
A
B
T
B
C
B
C
C
C
D
D
D
X
X
3528L
3528
6032
6032
7343
7343
3216
3216L
3216
3528
3216
3528
3528L
3528
6032
6032
6032
7343
6032
7343
7343
7343H
7343
7343H
3216
3216
3216L
3216
3528
3216
3528
3528L
3528
6032
3528
6032
6032
6032
7343
7343
7343
7343H
7343H
T491T156K004AS-F
T491B336K004AS-F
T491C686K004AS-F
T491C107K004AS-F
T491D107K004AS-F
T491D157K004AS-F
T491A475K006AS-F
T491S475K006AS-F
T491A685K006AS-F
T491B685K006AS-F
T491A106K006AS-F
T491B106K006AS-F
T491T106K006AS-F
T491B226K006AS-F
T491C226K006AS-F
T491C336K006AS-F
T491C476K006AS-F
T491D476K006AS-F
T491C686K006AS-F
T491D107K006AS-F
T491D157K006AS-F
T491X227K006AS-F
T491D227K006AS-F
T491X337K006AS-F
T491A225K010AS-F
T491A335K010AS-F
T491S335K010AS-F
T491A475K010AS-F
T491B475K010AS-F
T491A685K010AS-F
T491B685K010AS-F
T491T685K010AS-F
T491B106K010AS-F
T491C106K010AS-F
T491B156K010AS-F
T491C226K010AS-F
T491C336K010AS-F
T491C476K010AS-F
T491D476K010AS-F
T491D686K010AS-F
T491D107K010AS-F
T491X157K010AS-F
T491X227K010AS-F
0.6
1.3
2.7
4
4
6
0.5
0.5
0.5
0.5
0.6
0.6
0.6
1.4
1.4
2
2.9
2.9
4.1
6
9
13.2
13.2
19.8
0.5
0.5
0.5
0.5
0.5
0.7
0.7
0.7
1
1
1.5
2.2
3.3
4.7
4.7
6.8
10
15
22
6
6
6
8
8
8
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
8
8
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
8
1.0
1.5
1.5
2.2
2.2
3.3
3.3
3.3
4.7
4.7
6.8
6.8
10
15
15
22
22
33
47
68
100
1.0
2.2
2.2
3.3
3.3
4.7
4.7
4.7
6.8
6.8
10
10
15
22
22
33
33
47
68
100
150
A
A
S
A
B
A
B
T
B
C
B
C
C
C
D
C
D
D
D
X
X
A
A
S
A
B
A
B
T
B
C
B
C
C
C
D
C
D
D
D
X
X
3216
3216
3216L
3216
3528
3216
3528
3528L
3528
6032
3528
6032
6032
6032
7343
6032
7343
7343
7343
7343H
7343H
3216
3216
3216L
3216
3528
3216
3528
3528L
3528
6032
3528
6032
6032
6032
7343
6032
7343
7343
7343
7343H
7343H
T491A105K016AS-F
T491A225K016AS-F
T491S225K016AS-F
T491A335K016AS-F
T491B335K016AS-F
T491A475K016AS-F
T491B475K016AS-F
T491T475K016AS-F
T491B685K016AS-F
T491C685K016AS-F
T491B106K016AS-F
T491C106K016AS-F
T491C156K016AS-F
T491C226K016AS-F
T491D226K016AS-F
T491C336K016AS-F
T491D336K016AS-F
T491D476K016AS-F
T491D686K016AS-F
T491X107K016AS-F
T491X157K016AS-F
T491A105K020AS-F
T491A155K020AS-F
T491S155K020AS-F
T491A225K020AS-F
T491B225K020AS-F
T491A335K020AS-F
T491B335K020AS-F
T491T335K020AS-F
T491B475K020AS-F
T491C475K020AS-F
T491B685K020AS-F
T491C685K020AS-F
T491C106K020AS-F
T491C156K020AS-F
T491D156K020AS-F
T491C226K020AS-F
T491D226K020AS-F
T491D336K020AS-F
T491D476K020AS-F
T491X686K020AS-F
T491X107K020AS-F
0.5
0.5
0.5
0.5
0.5
0.8
0.8
0.8
1.1
1.1
1.6
1.6
2.4
3.6
3.6
5.3
5.3
7.5
10.9
16
24
0.5
0.5
0.5
0.5
0.5
0.7
0.7
0.7
1
1
1.4
1.4
2
3
3
4.4
4.4
6.6
9.4
13.6
20
4
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
8
4
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
8
6 WVdc @ +85 ºC
(4 WVdc @ 125 ºC)
20 WVdc @ +85 ºC
(13 WVdc @ 125 ºC)
10 WVdc @ +85 ºC
(7 WVdc @ 125 ºC)
N
ote:
CDE reserves the right to offer higher rated voltage substitutes
within the same case size. The marking will indicate the higher voltage.
CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830•
www.cde.com
Type T491
Solid Tantalum Chip Capacitors
Max. DC Max. DF %
Case Code
Catalog
Leakage
@ 25 ºC
Cap
EIA
CDE
Part Number
µA @ 25 ºC 120 Hz
(µF)
IECQ
25 WVdc @ +85 ºC
(17 WVdc @ 125 ºC)
0.47
0.68
1.0
1.0
1.5
2.2
2.2
3.3
4.7
6.8
10
10
15
22
33
0.10
0.15
0.22
0.33
0.47
0.47
0.68
1.0
1.5
2.2
3.3
4.7
4.7
6.8
10
15
22
A
A
A
B
B
B
C
C
C
C
C
D
D
D
X
A
A
A
A
A
B
B
B
C
C
C
C
D
D
D
X
X
3216
3216
3216
3528
3528
3528
6032
6032
6032
6032
6032
7343
7343
7343
7343H
3216
3216
3216
3216
3216
3528
3528
3528
6032
6032
6032
6032
7343
7343
7343
7343H
7343H
T491A474K025AS-F
T491A684K025AS-F
T491A105K025AS-F
T491B105K025AS-F
T491B155K025AS-F
T491B225K025AS-F
T491C225K025AS-F
T491C335K025AS-F
T491C475K025AS-F
T491C685K025AS-F
T491C106K025AS-F
T491D106K025AS-F
T491D156K025AS-F
T491D226K025AS-F
T491X336K025AS-F
T491A104K035AS-F
T491A154K035AS-F
T491A224K035AS-F
T491A334K035AS-F
T491A474K035AS-F
T491B474K035AS-F
T491B684K035AS-F
T491B105K035AS-F
T491C155K035AS-F
T491C225K035AS-F
T491C335K035AS-F
T491C475K035AS-F
T491D475K035AS-F
T491D685K035AS-F
T491D106K035AS-F
T491X156K035AS-F
T491X226K035AS-F
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.9
1.2
1.7
2.5
2.5
3.8
5.5
8.3
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.8
1.2
1.7
1.7
2.4
3.5
5.3
7.7
4
4
4
4
6
6
6
6
6
6
6
6
6
6
6
4
4
4
4
4
4
4
4
6
6
6
6
6
6
6
6
6
Max. DC Max. DF %
Case Code
Catalog
Cap
EIA
Leakage
@ 25 ºC
CDE
Part Number
(µF)
IECQ
µA @ 25 ºC 120 Hz
50 WVdc @ +85 ºC
(33 WVdc @ 125 ºC)
0.10
0.15
0.15
0.22
0.33
0.47
0.47
0.68
1.0
1.5
1.5
2.2
3.3
4.7
6.8
A
A
B
B
B
B
C
C
C
C
D
D
D
D
X
3216
3216
3528
3528
3528
3528
6032
6032
6032
6032
7343
7343
7343
7343
7343H
T491A104K050AS-F
T491A154K050AS-F
T491B154K050AS-F
T491B224K050AS-F
T491B334K050AS-F
T491B474K050AS-F
T491C474K050AS-F
T491C684K050AS-F
T491C105K050AS-F
T491C155K050AS-F
T491D155K050AS-F
T491D225K050AS-F
T491D335K050AS-F
T491D475K050AS-F
T491X685K050AS-F
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.8
1.1
1.7
2.4
3.5
4
4
4
4
4
4
4
4
4
6
6
6
6
6
6
35 WVdc @ +85 ºC
(23 WVdc @ 125 ºC)
Note:
CDE reserves the right to offer higher rated voltage substitutes
within the same case size. The marking will indicate the higher voltage.
CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830•
www.cde.com
Notice and Disclaimer:
All product drawings, descriptions, specifications, statements, information and
data (collectively, the “Information”) in this datasheet or other publication are subject to change. The
customer is responsible for checking, confirming and verifying the extent to which the Information con-
tained in this datasheet or other publication is applicable to an order at the time the order is placed. All
Information given herein is believed to be accurate and reliable, but it is presented without any guaran-
tee, warranty, representation or responsibility of any kind, expressed or implied. Statements of suitability
for certain applications are based on the knowledge that the Cornell Dubilier company providing such
statements (“Cornell Dubilier”) has of operating conditions that such Cornell Dubilier company regards
as typical for such applications, but are not intended to constitute any guarantee, warranty or representa-
tion regarding any such matter – and Cornell Dubilier specifically and expressly disclaims any guarantee,
warranty or representation concerning the suitability for a specific customer application, use, storage,
transportation, or operating environment. The Information is intended for use only by customers who
have the requisite experience and capability to determine the correct products for their application. Any
technical advice inferred from this Information or otherwise provided by Cornell Dubilier with reference
to the use of any Cornell Dubilier products is given gratis (unless otherwise specified by Cornell Dubilier),
and Cornell Dubilier assumes no obligation or liability for the advice given or results obtained. Although
Cornell Dubilier strives to apply the most stringent quality and safety standards regarding the design
and manufacturing of its products, in light of the current state of the art, isolated component failures may
still occur. Accordingly, customer applications which require a high degree of reliability or safety should
employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies
or other appropriate protective measures) in order to ensure that the failure of an electrical component
does not result in a risk of personal injury or property damage. Although all product-related warnings,
cautions and notes must be observed, the customer should not assume that all safety measures are indi-
cated in such warnings, cautions and notes, or that other safety measures may not be required.
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