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What is T491C685?

This electronic component, produced by the manufacturer "Kemet Electronics", performs the same function as "(T491 Series) Tantalum Chip Capacitors".


T491C685 Datasheet PDF - Kemet Electronics

Part Number T491C685
Description (T491 Series) Tantalum Chip Capacitors
Manufacturers Kemet Electronics 
Logo Kemet Electronics Logo 


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TANTALUM CHIP CAPACITORS
T491 SERIES - Precision Molded Chip
®
KEMET
FEATURES
• Meets or Exceeds EIA Standard 535BAAC
• Capacitance: 0.1 F to 470 F
• Taped and Reeled per EIA 481-1
• Tolerance: ±10%, ±20%
• Symmetrical, Compliant Terminations
• Voltage: 3-50 VDC
• Optional Gold-plated Terminations
• Extended Range Values
• Laser-marked Case
• New Low Profile Case Sizes
• 100% Surge current test on C, D, U, V, X sizes
CAPACITOR OUTLINE DRAWING
CATHODE (-) END
VIEW
W
SIDE VIEW
ANODE (+) END
VIEW
B
B
BOTTOM VIEW
K
X
H
T
E
P
S GS
Notch at
R KEMET's
Option,
either end
A
L
STANDARD T491 DIMENSIONS
Millimeters (inches)
F
CASE SIZE
COMPONENT
EIA/
KEMET IECQ
L*
W*
H*
K*
±
±
0.20
(.008)
F*
± 0.1
± (.004)
S*
± 0.3
± (.012)
B ± 0.15
(Ref) ± (.006)
X
(Ref)
A 3216 3.2 ± 0.2 1.6 ±0.2 1.6 ± 0.2
0.9
(.126 ± .008) (.063 ±.008) (.063 ± .008) (.035)
B 3528 3.5 ± 0.2 2.8 ± 0.2 1.9 ± 0.2
1.1
(.138 ± .008) (.110 ± .008) (.075 ± .008) (.043)
C 6032 6.0 ± 0.3 3.2 ± 0.3 2.5 ± 0.3
1.4
(.236 ± .012) (.126 ± .012) (.098 ± .012) (.055)
D 7343 7.3 ± 0.3 4.3 ± 0.3 2.8 ± 0.3
1.5
(.287 ± .012) (.169 ± .012) (.110 ± .012) (.059)
X 7343H 7.3 ± 0.3 4.3 ± 0.3 4.0 ± 0.3
2.3
(.287 ± .012) (.169 ± .012) (.157 ± .012) (.091)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.4
(.094)
2.4
(.094)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
1.3
(.051)
0.4
(.016)
0.4
(.016)
0.5
(.020)
0.5
(.020)
0.5
(.020)
0.10 ± 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)
Notes: 1. Metric dimensions govern.
2. (Ref) - Dimensions provided for reference only.
* Mil-C-55365/8 Specified Dimensions
** Round Glue Pad: 2.9 ±0.1mm (0.114" ±0.004") in diameter at KEMET’s option
P
(Ref)
0.4
(.016)
0.5
(.020)
0.9
(.035)
0.9
(.035)
1.7
(.067)
RT
(Ref) (Ref)
0.4 0.13
(.016) (.005)
1.0 0.13
(.039) (.005)
1.0 0.13
(.039) (.005)
1.0 0.13
(.039) (.005)
1.0 0.13
(.039) (.005)
A
(Min)
0.8
(.031)
1.1
(.043)
2.5
(.098)
3.8
(.150)
3.8
(.150)
G
(Ref)
1.1
(.043)
1.8
(.071)
2.8
(.110)
3.5
(.138)
3.5**
(.138)
E
(Ref)
1.3
(.051)
2.2
(.087)
2.4
(.094)
3.5
(.138)
3.5**
(.138)
LOW PROFILE T491 DIMENSIONS
Millimeters (inches)
CASE SIZE
KEMET
EIA/
IECQ
L
S 3216L 3.2 ± 0.2
(.126 ± .008)
T 3528L 3.5 ± 0.2
(.138 ± .008)
*Q 6032L 6.0 ± 0.3
(.236 ± .012)
U 6032L 6.0 ± 0.3
(.236 ± .012)
V 7343L 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)
3.2 ± 0.3)
(.126 ± .012)
4.3 ± 0.3
(.169 ± .012)
H Max.
1.2
(.047)
1.2
(.047)
1.0
(0.039)
1.5
(0.059)
2.0
(0.079)
COMPONENT
K Min. F ± 0.1 S ± 0.3
0.3
(.012)
0.3
(.012)
0.5
(0.020)
0.5
(0.020)
1.1
(0.043)
1.2
(.047)
2.2
(.087)
2.2
(.087)
2.2
(.087)
2.4
(.094)
0.8
(.031)
0.8
(.031)
1.3
(.051)
1.3
(.051)
1.3
(.051)
XT AGE
(Ref) (Ref) (Min) (Ref) (Ref)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.05
(.002)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.13
(.005)
0.8
(.031)
1.1
(.043)
2.5
(.098)
2.5
(.098)
3.8
(.150)
1.1
(.043)
1.8
(.071)
2.8
(.110)
2.8
(.110)
3.5
(.138)
1.3
(.051)
2.2
(.087)
2.4
(.094)
2.4
(.094)
3.5
(.138)
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.
* Under development
T491 ORDERING INFORMATION
T 491 B 105 M 035 A S*
Tantalum
Lead Material
Series
T491 - Precision Molded
S - Standard Solder -Coated
G - Gold Plated (A, B, C, D, X only)
Case Size
A, B, C, D, S, T, U, V, X
Failure Rate
A - Not Applicable
Capacitance Picofarad Code
Voltage
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
Capacitance Tolerance
*Part number example: T491B105M035AS (14 digits - no spaces)
M - ± 20%
K - ±10%
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
15


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