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 Tin-Lead (SnPb) and 100% Matte-Tin
terminations are also available. 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
Capacitance Range: 0.10 µF to 330 µF
Voltage Range: 4 Vdc to 50 VDC
Tolerance: ±10% standard, ±20% available
Operating Temperature: –55 ºC to +125 ºC (with proper derating)
Cap Change From Initial Limit: –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 EIA Qty per Tape
Code IECQ 7" Reel Width Pitch
S 3216L 2,500 8mm 4mm
T 3528L 2,500 8mm 4mm
A 3216 2,000 8mm 4mm
B 3528 2,000 8mm 4mm
C 6032 500 12mm 8mm
D 7343 500 12mm 8mm
X 7343H 500 12mm 8mm
13” Reels Available on Special Order
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).
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
Bottom View
Cathode (–) End Side View Anode (+) End
View View
A
WB
B
HE F
KT
P
X G
SSRL
Notch at
Supplier’s Option
Dimensions
Millimeters (Inches)
EIA/ BXPRTAGE
CDE IECQ L W H K F S (Ref) (Ref) (Ref) (Ref) (Ref) (Min) (Ref) (Ref)
A 3216-18 3.2 ± 0.2 1.6 ± 0.2 1.6 ± 0.2 0.9 ± 0.2 1.2 ± 0.1 0.8 ± 0.3 0.4 ± 0.15 0.10 ± 0.10 0.4 0.4 0.13 0.8 1.1 1.3
(.126 ± .008) (.063 ± .008) (.063 ± .008) (.035 ± .008) (.047 ± .004) (.031 ± .012) (.016 ± .006) (.004 ± .004) (0.016) (0.016) (0.005) (0.031) (0.043) (0.051)
B 3528-21 3.5 ± 0.2 2.8 ± 0.2 1.9 ± 0.2 1.1 ± 0.2 2.2 ± 0.1 0.8 ± 0.3 0.4 ± 0.15 0.10 ± 0.10 0.5 1 0.13 1.1 1.8 2.2
(.138 ± .008) (.110 ± .008) (.075 ± .008) (.043 ± .008) (.087 ± .004) (.031 ± .012) (.016 ± .006) (.004 ± .004) (0.02) (0.039) (0.005) (0.043) (0.071) (0.087)
C 6032-28 6.0 ± 0.3 3.2 ± 0.3 2.5 ± 0.3 1.4 ± 0.2 2.2 ± 0.1 1.3 ± 0.3 0.5 ± 0.15 0.10 ± 0.10 0.9 1 0.13 2.5 2.8 2.9
(.236 ± .012) (.126 ± .012) (.098 ± .012) (.055 ± .008) (.087 ± .004) (.051 ± .012) (.020 ± .006) (.004 ± .004) (0.035) (0.039) (0.005) (0.098) (0.11) (0.114)
D 7343-31 7.3 ± 0.3 4.3 ± 0.3 2.8 ± 0.3 1.5 ± 0.2 2.4 ± 0.1 1.3 ± 0.3 0.5 ± 0.15 0.10 ± 0.10 0.9 1 0.13 3.8 3.5 3.5
(.287 ± .012) (.169 ± .012) (.110 ± .012) (.059 ± .008) (.094 ± .004) (.051 ± .012) (.020 ± .006) (.004 ± .004) (0.035) (0.039) (0.005) (0.15} (0.138) (0.138}
X 7343-43 7.3 ± 0.3 4.3 ± 0.3 4.0 ± 0.3 2.3 ± 0.2 2.4 ± 0.1 1.3 ± 0.3 0.5 ± 0.15 0.10 ± 0.10 1.7 1 0.13 3.8 3.5** 3.5**
(.287 ± .012) (.169 ± .012) (.157 ± .012) (.091 ± .008) (.094 ± .004) (.051 ± .012) (.020 ± .006) (.004 ± .004) (0.067) (0.039) (0.005) (0.15) (0.138} (0.138)
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
Millimeters (Inches)
EIA/ B X P R T A G E
CDE IECQ L W H Max. K Min. F S (Ref) (Ref) (Ref) (Ref) (Ref) (Min) (Ref) (Ref)
S 3216-12 3.2 ± 0.2 1.6 ± 0.2 1.2 0.3 1.2 ± 0.1 0.8 ± 0.3 Note 0.05 Note Note 0.13 0.8 1.1 1.3
(.126 ± .008) (.063 ± .008) (0.047) (0.012) (.047 ± .004) (.031 ± .012) 3 (0.002) 3 3 (0.005) (0.031) (0.043) (0.051)
T 3528-12 3.5 ± 0.2 2.8 ± 0.2 1.2 0.3 2.2 ± 0.1 0.8 ± 0.3 Note 0.05 Note Note 0.13 1.1 1.8 2.2
(.138 ± .008) (.110 ± .008) (0.047) (0.012) (.087 ± .004) (.031 ± .012) 3 (0.002) 3 3 (0.005) (0.043) (0.071) (0.087)
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 A S –F
Failure Rate RoHS
Series Case Capacitance Tolerance Voltage Level Compliant
T491 S, D 105 = 1.0 µF K = ±10% 004 = 4 Vdc A = Not Applicable
T, X 226 = 22 µF M = ±20% 035 = 35 Vdc
A, B, C 227 = 220 µF
(100%
Matte Tin finish
on terminals)
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
Case Code Max. DC Max. DF % Case Code Max. DC Max. DF %
Catalog Catalog
Cap EIA Leakage @ 25 ºC Cap EIA Leakage @ 25 ºC
CDE Part Number CDE Part Number
(µF) IECQ µA @ 25 ºC 120 Hz (µF) IECQ µA @ 25 ºC 120 Hz
4 WVdc @ +85 ºC (2.7 WVdc @ 125 ºC) 16 WVdc @ +85 ºC (10 WVdc @ 125 ºC)
15 T 3528L T491T156K004AS 0.6 6 1.0 A 3216 T491A105K016AS 0.5 4
33 B 3528 T491B336K004AS 1.3 6 2.2 A 3216 T491A225K016AS 0.5 6
68 C 6032 T491C686K004AS 2.7 6 2.2 S 3216L T491S225K016AS 0.5 6
100 C 6032 T491C107K004AS 4 8 3.3 A 3216 T491A335K016AS 0.5 6
100 D 7343 T491D107K004AS 4 8 3.3 B 3528 T491B335K016AS 0.5 6
150 D 7343 T491D157K004AS 6 8 4.7 A 3216 T491A475K016AS 0.8 6
6 WVdc @ +85 ºC (4 WVdc @ 125 ºC) 4.7 B 3528 T491B475K016AS 0.8 6
4.7 A 3216 T491A475K006AS 0.5 6 4.7 T 3528L T491T475K016AS 0.8 6
4.7 S 3216L T491S475K006AS 0.5 6 6.8 B 3528 T491B685K016AS 1.1 6
6.8 A 3216 T491A685K006AS 0.5 6 6.8 C 6032 T491C685K016AS 1.1 6
6.8 B 3528 T491B685K006AS 0.5 6 10 B 3528 T491B106K016AS 1.6 6
10 A 3216 T491A106K006AS 0.6 6 10 C 6032 T491C106K016AS 1.6 6
10 B 3528 T491B106K006AS 0.6 6 15 C 6032 T491C156K016AS 2.4 6
10 T 3528L T491T106K006AS 0.6 6 22 C 6032 T491C226K016AS 3.6 6
22 B 3528 T491B226K006AS 1.4 6 22 D 7343 T491D226K016AS 3.6 6
22 C 6032 T491C226K006AS 1.4 6 33 C 6032 T491C336K016AS 5.3 6
33 C 6032 T491C336K006AS 2 6 33 D 7343 T491D336K016AS 5.3 6
47 C 6032 T491C476K006AS 2.9 6 47 D 7343 T491D476K016AS 7.5 6
47 D 7343 T491D476K006AS 2.9 6 68 D 7343 T491D686K016AS 10.9 6
68 C 6032 T491C686K006AS 4.1 6 100 X 7343H T491X107K016AS 16 8
100 D 7343 T491D107K006AS 6 8 150 X 7343H T491X157K016AS 24 8
150 D 7343 T491D157K006AS 9 8 20 WVdc @ +85 ºC (13 WVdc @ 125 ºC)
220 X 7343H T491X227K006AS 13.2 8 1.0 A 3216 T491A105K020AS 0.5 4
220 D 7343 T491D227K006AS 13.2 8 1.5 A 3216 T491A155K020AS 0.5 6
330 X 7343H T491X337K006AS 19.8 8 1.5 S 3216L T491S155K020AS 0.5 6
10 WVdc @ +85 ºC (7 WVdc @ 125 ºC) 2.2 A 3216 T491A225K020AS 0.5 6
2.2 A 3216 T491A225K010AS 0.5 6 2.2 B 3528 T491B225K020AS 0.5 6
3.3 A 3216 T491A335K010AS 0.5 6 3.3 A 3216 T491A335K020AS 0.7 6
3.3 S 3216L T491S335K010AS 0.5 6 3.3 B 3528 T491B335K020AS 0.7 6
4.7 A 3216 T491A475K010AS 0.5 6 3.3 T 3528L T491T335K020AS 0.7 6
4.7 B 3528 T491B475K010AS 0.5 6 4.7 B 3528 T491B475K020AS 1 6
6.8 A 3216 T491A685K010AS 0.7 6 4.7 C 6032 T491C475K020AS 1 6
6.8 B 3528 T491B685K010AS 0.7 6 6.8 B 3528 T491B685K020AS 1.4 6
6.8 T 3528L T491T685K010AS 0.7 6 6.8 C 6032 T491C685K020AS 1.4 6
10 B 3528 T491B106K010AS 1 6 10 C 6032 T491C106K020AS 2 6
10 C 6032 T491C106K010AS 1 6 15 C 6032 T491C156K020AS 3 6
15 B 3528 T491B156K010AS 1.5 6 15 D 7343 T491D156K020AS 3 6
22 C 6032 T491C226K010AS 2.2 6 22 C 6032 T491C226K020AS 4.4 6
33 C 6032 T491C336K010AS 3.3 6 22 D 7343 T491D226K020AS 4.4 6
47 C 6032 T491C476K010AS 4.7 6 33 D 7343 T491D336K020AS 6.6 6
47 D 7343 T491D476K010AS 4.7 6 47 D 7343 T491D476K020AS 9.4 6
68 D 7343 T491D686K010AS 6.8 6 68 X 7343H T491X686K020AS 13.6 6
100 D 7343 T491D107K010AS 10 8 100 X 7343H T491X107K020AS 20 8
150 X 7343H T491X157K010AS 15 8 Note: CDE reserves the right to offer higher rated voltage substitutes
220 X 7343H T491X227K010AS 22 8 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
Case Code Max. DC Max. DF % Case Code Max. DC Max. DF %
Catalog Catalog
Cap EIA Leakage @ 25 ºC Cap EIA Leakage @ 25 ºC
CDE Part Number CDE Part Number
(µF) IECQ µA @ 25 ºC 120 Hz (µF) IECQ µA @ 25 ºC 120 Hz
25 WVdc @ +85 ºC (17 WVdc @ 125 ºC) 50 WVdc @ +85 ºC (33 WVdc @ 125 ºC)
0.47 A 3216 T491A474K025AS 0.5 4 0.10 A 3216 T491A104K050AS 0.5 4
0.68 A 3216 T491A684K025AS 0.5 4 0.15 A 3216 T491A154K050AS 0.5 4
1.0 A 3216 T491A105K025AS 0.5 4 0.15 B 3528 T491B154K050AS 0.5 4
1.0 B 3528 T491B105K025AS 0.5 4 0.22 B 3528 T491B224K050AS 0.5 4
1.5 B 3528 T491B155K025AS 0.5 6 0.33 B 3528 T491B334K050AS 0.5 4
2.2 B 3528 T491B225K025AS 0.6 6 0.47 B 3528T491B474K050AS 0.5 4
2.2 C 6032 T491C225K025AS 0.6 6 0.47 C 6032 T491C474K050AS 0.5 4
3.3 C 6032 T491C335K025AS 0.9 6 0.68 C 6032 T491C684K050AS 0.5 4
4.7 C 6032 T491C475K025AS 1.2 6 1.0 C 6032 T491C105K050AS 0.5 4
6.8 C 6032 T491C685K025AS 1.7 6 1.5 C 6032 T491C155K050AS 0.5 6
10 C 6032 T491C106K025AS 2.5 6 1.5 D 7343 T491D155K050AS 0.8 6
10 D 7343 T491D106K025AS 2.5 6 2.2 D 7343 T491D225K050AS 1.1 6
15 D 7343 T491D156K025AS 3.8 6 3.3 D 7343 T491D335K050AS 1.7 6
4.7 D 7343 T491D475K050AS 2.4 6
22 D 7343 T491D226K025AS 5.5 6
6.8 X 7343H T491X685K050AS 3.5 6
33 X 7343H T491X336K025AS 8.3 6
35 WVdc @ +85 ºC (23 WVdc @ 125 ºC)
Note: CDE reserves the right to offer higher rated voltage substitutes
0.10 A 3216 T491A104K035AS 0.5 4
within the same case size. The marking will indicate the higher voltage.
0.15 A 3216 T491A154K035AS 0.5 4
0.22 A 3216 T491A224K035AS 0.5 4
0.33 A 3216 T491A334K035AS 0.5 4
0.47 A 3216 T491A474K035AS 0.5 4
0.47 B 3528 T491B474K035AS 0.5 4
0.68 B 3528 T491B684K035AS 0.5 4
1.0 B 3528 T491B105K035AS 0.5 4
1.5 C 6032 T491C155K035AS 0.5 6
2.2 C 6032 T491C225K035AS 0.8 6
3.3 C 6032 T491C335K035AS 1.2 6
4.7 C 6032 T491C475K035AS 1.7 6
4.7 D 7343 T491D475K035AS 1.7 6
6.8 D 7343 T491D685K035AS 2.4 6
10 D 7343 T491D106K035AS 3.5 6
15 X 7343H T491X156K035AS 5.3 6
22 X 7343H T491X226K035AS 7.7 6
CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830• www.cde.com