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Tantalum Surface Mount Capacitors – Standard Tantalum

T491 Series Industrial Grade MnO

2

Overview

The KEMET T491 Series, designed specifically for today’s

highly automated surface mount processes and equipment,

is the leading choice for surface mount designs. The T491

combines KEMET’s proven solid tantalum technology,

acclaimed and respected throughout the world, with the

latest in materials, processes and automation, resulting

in unsurpassed total performance and value. This product

meets or exceeds the requirements of EIA standard

535BAAC. This series is classified as MSL (Moisture

Sensitivity Level) 1 under J STD 020: unlimited floor life

time at ≤ 30°C/85% RH. The T491 standard terminations are

available in 100% matte tin and provide excellent wetting

characteristics and compatibility with today's surface mount

solder systems. Tin/lead (Sn/Pb) terminations are available

upon request for any part number. Gold-plated terminations

are also available for use with conductive epoxy attachment

processes. Standard packaging of these devices is tape

and reel in accordance with EIA 481. This system provides

perfect compatibility with all tape-fed placement units.

Benefits

• Meets or exceeds EIA Standard 535BAAC

• Taped and reeled per EIA 481

• Symmetrical, compliant terminations

• Optional gold-plated terminations

• Laser-marked case

• 100% surge current test on C, D, E, U, V, X sizes

• Halogen free epoxy

• Capacitance 0.1 µF to 1,000 µF

• Tolerance ±10%, ±20%

• Voltage 2.5 – 50 VDC

• Extended range values

• Low profile case sizes

• RoHS Compliant and lead-free terminations

(See www.kemet.com for transition information)

• Operating temperature: −55°C to +125°C

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Applications

Typical applications include decoupling and filtering in industrial and automotive end applications such as DC/DC converters,

portable electronics, telecommunications, and control units.

Environmental Compliance

RoHS Compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn solder,

Gold plated or Non-magnetic 100% Sn solder.

One world. One KEMET

T2005_T491 • 10/21/2016

1

Tantalum Surface Mount Capacitors – Standard Tantalum

T491 Series Industrial Grade MnO

2

K-SIM

For a detailed analysis of specific part numbers, please visit ksim.kemet.com to access KEMET’s K-SIM software. KEMET

K-SIM is designed to simulate behavior of components with respect to frequency, ambient temperature, and DC bias levels.

Ordering Information

T

Capacitor

Class

T=

Tantalum

491

Series

Industrial

X

Case

Size

A, B,

C, D,

E, M,

S, T,

U, V,

W, X

157

Capacitance

Code (pF)

First two digits

represent

significant

figures. Third

digit specifies

number of

zeros.

K

Capacitance

Tolerance

K = ±10%

M = ±20%

020

Rated

Voltage

(VDC)

2R5 = 2.5

003 = 3

004 = 4

006 = 6.3

010 = 10

016 = 16

020 = 20

025 = 25

035 = 35

050 = 50

A

Failure Rate/

Design

A=

N/A

T

Termination Finish

T = 100% Matte Tin (Sn) plated

H = Standard solder coated

(SnPb 5% Pb minimum)

G = Gold plated

(A, B, C, D, X only)

N = Non-magnetic 100% Tin (Sn)

M = Non-magnetic (SnPb)

Packaging

(C-Spec)

Blank = 7" Reel

7280 = 13" Reel

Performance Characteristics

Item

Operating Temperature

Rated Capacitance Range

Capacitance Tolerance

Rated Voltage Range

DF (120 Hz)

ESR (100 kHz)

Leakage Current

−55°C to 125°C

0.1 – 1,000 µF at 120 Hz/25°C

K Tolerance (10%), M Tolerance (20%)

2.5 – 50 V

Refer to Part Number Electrical Specification Table

≤ 0.01 CV (µA) at rated voltage after 5 minutes

Performance Characteristics

T2005_T491 • 10/21/2016

2

Tantalum Surface Mount Capacitors – Standard Tantalum

T491 Series Industrial Grade MnO

2

Qualification

Test

Endurance

Condition

Δ C/C

85°C at rated voltage, 2,000 hours

125°C at 2/3 rated voltage, 2,000 hours

DF

DCL

ESR

Δ C/C

DF

DCL

ESR

Δ C/C

MIL–STD–202, Method 107, Condition B, mounted,

−55°C to 125°C, 1,000 cycles

DF

DCL

ESR

+25°C

Extreme temperature exposure at a

succession of continuous steps at +25°C,

−55°C, +25°C, +85°C, +125°C, +25°C.

Δ C/C

DF

DCL

85°C, 1.32 x rated voltage 1,000 cycles

(125°C, 1.2 x rated voltage).

IL*

IL

Δ C/C

DF

DCL

ESR

Δ C/C

DF

DCL

Characteristics

Within ±10% of initial value

Within initial limits

Within 1.25 x initial limit

Within initial limits

Within ±10% of initial value

Within initial limits

Within 1.25 x initial limit

Within initial limits

Within ±5% of initial value

Within initial limits

Within 1.25 x initial limit

Within initial limits

−55°C

±10%

IL

N/A

+85°C

±10%

1.5 x IL

10 x IL

+125°C

±20%

1.5 x IL

12 x IL

Storage Life

125°C at 0 volts, 2,000 hours

Thermal Shock

Temperature Stability

Within ±5% of initial value

Within initial limits

Within ±10% of initial value

Within initial limits

Surge Voltage

Mechanical Shock/

Vibration

*IL = Initial limit

MIL–STD–202, Method 213, Condition I, 100 G peak

MIL–STD–202, Method 204, Condition D, 10 Hz to

2,000 Hz, 20 G peak

T2005_T491 • 10/21/2016

3

Tantalum Surface Mount Capacitors – Standard Tantalum

T491 Series Industrial Grade MnO

2

Electrical Characteristics

ESR vs. Frequency

100

T491C336M025AT_IMP

T491D476M025AT_IMP

Capacitance vs. Frequency

1,000

T491C336M025AT

T491D476M025AT

T491X107M025AT

Impedance, ESR (Ohms)

10

T491X107M025AT_IMP

T491C336M025AT_ESR

T491D476M025AT_ESR

T491X107M025AT_ESR

1

Capacitance (µF)

10,000,000

100

10

0.1

0.01

100

1,000

10,000

Frequency (Hz)

100,000

1,000,000

1

100

1,000

10,000

Frequency (Hz)

100,000

1,000,000

10,000,000

Dimensions – Millimeters (Inches)

Metric will govern

CATHODE (-) END VIEW

W

H

X

T

S

G

S

Termination cutout

at KEMET's option,

either end

SIDE VIEW

B

ANODE (+) END VIEW

BOTTOM VIEW

A

E

P

R

L

F

Case Size

KEMET

A

B

C

D

X

E

M

S

T

U

V

W

EIA

L

W

H

F ±0.1

±(0.004)

1.2

(0.047)

2.2

(0.087)

2.2

(0.087)

2.4

(0.094)

2.4

(0.094)

4.1

(0.161)

2.2

(.087)

1.2

(0.047)

2.2

(0.087)

2.2

(0.087)

2.4

(0.094)

2.4

(0.094)

Component

S

0.80(0.032)

+0.2(0.008)/−0.3(0.011)

0.80(0.032)

+0.1(0.004)/−0.3(0.011)

1.30 (0.051)

±0.3 (0.011)

1.30 (0.051)

±0.3 (0.011)

1.30 (0.051)

±0.3 (0.011)

1.30 (0.051)

±0.3 (0.011)

0.8

(0.031)

0.80(0.032)

+0.2(0.008)/−0.3(0.011)

0.80(0.032)

+0.1(0.004)/−0.3(0.011)

1.30 (0.051)

±0.3 (0.011)

1.30 (0.051)

±0.3 (0.011)

1.30 (0.051)

±0.3 (0.011)

B ±0.15

(Ref)±0.006

0.4

(0.016)

0.4

(0.016)

0.5

(0.020)

0.5

(0.020)

0.5

(0.020)

0.5

(0.020)

N/A

X

(Ref)

P

R

T

A

G

E

(Ref) (Ref) (Ref) (Min) (Ref) (Ref)

3.2±0.2

1.6±0.2

3216–18 (0.126±0.008) (0.063±0.008) (0.063±0.008)

3.5±0.2

2.8±0.2

1.9±0.2

3528–21 (0.138±0.008) (0.110±0.008) (0.075±0.008)

6.0±0.3

3.2±0.3

2.5±0.3

6032–28 (0.236±0.012) (0.126±0.012) (0.098±0.012)

7.3±0.3

4.3±0.3

2.8±0.3

7343–31 (0.287±0.012) (0.169±0.012) (0.110±0.012)

7.3±0.3

4.3±0.3

4.0±0.3

7343–43 (0.287±0.012) (0.169±0.012) (0.157±0.012)

7.3±0.3

6.0±0.3

3.6±0.2

7360–38 (0.287±0.012) (0.236±0.012) (0.142±0.008)

3.5±0.2

2.8±0.2

1.4±0.1

3528–15 (0.138±0.008) (0.110±0.008) (0.055±0.004)

3.2±0.2

1.6±0.2

3216–12 (0.126±0.008) (0.063±0.008)

3.5±0.2

2.8±0.2

3528–12 (0.138±0.008) (0.110±0.008)

6.0±0.3

3.2±0.2

6032–15 (0.236±0.012) (0.110±0.008)

7.3±0.3

4.3±0.3

7343–20 (0.287±0.012) (0.169±0.012)

7.3±0.3

4.3±0.3

7343–15 (0.287±0.012) (0.169±0.012)

1.2

(0.047)

1.2

(0.047)

1.5

(0.059)

2.0

(0.079)

1.5

(0.059)

0.10±0.10

0.4

0.13

1.2

1.1

1.3

(0.004±0.004) (0.016) (0.016) (0.005) (0.047) (0.043) (0.051)

0.10±0.10

0.5

1.0

0.13

1.9

1.8

2.2

(0.004±0.004) (0.020) (0.039) (0.005) (0.075) (0.071) (0.087)

0.10±0.10

0.9

1.0

0.13

2.9

2.8

2.4

(0.004±0.004) (0.035) (0.039) (0.005) (0.114) (0.110) (0.094)

0.10±0.10

0.9

1.0

0.13

3.6

3.5

(0.004±0.004) (0.035) (0.039) (0.005) (0.142) (0.138) (0.138)

0.10 ±0.10

1.7

1.0

0.13

3.6

3.5

(0.004 ±0.004) (0.067) (0.039) (0.005) (0.142) (0.138) (0.138)

0.10±0.10

(0.004±0.004)

0.05

(0.002)

0.05

(0.002)

0.05

(0.002)

0.05

(0.002)

0.05

(0.002)

0.05

(0.002)

N/A

0.13

3.6

3.5

(0.005) (0.142) (0.138) (0.138)

0.13

1.9

1.8

(.005) (0.075) (.071)

2.2

(.087)

0.13

1.2

1.1

1.3

(0.005) (0.047) (0.043) (0.051)

0.13

1.9

1.8

2.2

(0.005) (0.075) (0.071) (0.087)

0.13

2.9

2.8

2.4

(0.005) (0.114) (0.110) (0.094)

0.13

3.6

3.5

(0.005) (0.142) (0.138) (0.138)

0.13

3.6

3.5

(0.005) (0.142) (.0138) (0.138)

Notes: (Ref) – Dimensions provided for reference only. For low profile cases, no dimensions are provided for B, P or R because these cases do not have a bevel or

a notch.

T2005_T491 • 10/21/2016

4

Tantalum Surface Mount Capacitors – Standard Tantalum

T491 Series Industrial Grade MnO

2

Table 1 – Ratings & Part Number Reference

Rated Rated

Voltage Cap

VDC at 85ºC

2.5

3

4

VDC at 85ºC

µF

100

220

33

3.3

4.7

6.8

10

15

22

33

47

68

100

150

220

µF

Case

Code/

Case Size

KEMET/EIA

T/3528-12

D/7343-31

A/3216-18

S/3216-12

B/3528-21

A/3216-18

S/3216-12

B/3528-21

A/3216-18

T/3528-12

S/3216-12

C/6032-28

B/3528-21

A/3216-18

T/3528-12

S/3216-12

C/6032-28

U/6032-15

B/3528-21

A/3216-18

T/3528-12

C/6032-28

U/6032-15

B/3528-21

A/3216-18

T/3528-12

D/7343-31

C/6032-28

U/6032-15

B/3528-21

A/3216-18

D/7343-31

C/6032-28

U/6032-15

B/3528-21

A/3216-18

T/3528-12

D/7343-31

U/6032-15

V/7343-20

C/6032-28

B/3528-21

V/7343-20

KEMET/EIA

KEMET Part

Number

(See below for

part options)

T491T107(1)2R5A(2)

T491D227(1)2R5A(2)

T491A336(1)003A(2)

T491A335(1)004A(2)

T491A475(1)004A(2)

T491A685(1)004A(2)

T491S685(1)004A(2)

T491B106(1)004A(2)

T491A106(1)004A(2)

T491S106(1)004A(2)

T491B156(1)004A(2)

T491A156(1)004A(2)

T491T156(1)004A(2)

T491S156(1)004A(2)

T491C226(1)004A(2)

T491B226(1)004A(2)

T491A226(1)004A(2)

T491T226(1)004A(2)

T491S226(1)004A(2)

T491C336(1)004A(2)

T491U336(1)004A(2)

T491B336(1)004A(2)

T491A336(1)004A(2)

T491T336(1)004A(2)

T491C476(1)004A(2)

T491U476(1)004A(2)

T491B476(1)004A(2)

T491A476(1)004A(2)

T491T476(M)004A(2)

T491D686(1)004A(2)

T491C686(1)004A(2)

T491U686(1)004A(2)

T491B686(1)004A(2)

T491A686(1)004A(2)

T491D107(1)004A(2)

T491C107(1)004A(2)

T491U107(1)004A(2)

T491B107(1)004A(2)

T491A107(M)004A(2)

T491T107(M)004A(2)

T491D157(1)004A(2)

T491U157(1)004AT

T491V157(1)004A(2)

T491C157(1)004A(2)

T491B157(1)004A(2)

T491V227(1)004A(2)

(See below for

part options)

DC

Leakage

µA at +20ºC

Maximum/

5 Minutes

2.5

5.5

1.0

0.5

0.6

0.9

1.3

1.9

2.7

4.0

6.0

8.8

µA at +20ºC

Maximum/

5 Minutes

DF

% at +20ºC

120 Hz

Maximum

24.0

8.0

6.0

10.0

6.0

10.0

6.0

8.0

6.0

10.0

12.0

6.0

30.0

8.0

10.0

8.0

30.0

8.0

12.0

8.0

% at +20ºC

120 Hz

Maximum

ESR

Ω at +20ºC

100 kHz

Maximum

3.9

0.3

4.0

8.0

6.0

15.0

3.5

4.5

15.0

3.5

4.0

5.0

15.0

1.8

3.0

3.5

5.0

10.0

1.8

2.5

3.0

5.0

1.6

1.8

2.0

2.5

6.0

0.8

1.5

1.8

4.0

0.8

1.2

1.8

0.9

4.0

5.0

0.8

1.3

0.7

1.2

2.0

0.7

Ω at +20ºC

100 kHz

Maximum

Maximum Allowable

Ripple Current

mA at

+25ºC

100 kHz

134

707

137

97

112

63

156

129

63

156

137

118

63

247

168

137

118

77

247

224

184

137

118

262

224

206

173

108

433

271

224

217

137

433

303

224

307

137

118

433

263

423

303

206

423

mA at

+25ºC

100 kHz

mA at

+85ºC

100 kHz

121

636

123

87

101

57

140

116

57

140

123

106

57

222

151

123

106

69

222

202

166

123

106

236

202

185

156

97

390

244

202

195

123

390

273

202

276

123

106

390

237

381

273

185

381

mA at

+85ºC

100 kHz

mA at

+125ºC

100 kHz

54

283

55

39

45

25

62

52

25

62

55

47

25

99

67

55

47

31

99

90

74

55

47

105

90

82

69

43

173

108

90

87

55

173

121

90

123

55

47

173

105

169

121

82

169

mA at

+125ºC

100 kHz

Maximum

Operating

Temp

ºC

125

ºC

MSL

Reflow Temp

≤ 260 ºC

1

Reflow Temp

≤ 260 ºC

Rated

Voltage

Rated

Cap

Case Code/

Case Size

KEMET Part

Number

DC

Leakage

DF

ESR

Maximum Allowable

Ripple Current

Maximum

Operating

Temp

MSL

(1) To complete KEMET part number, insert M for ±20% or K for ±10%. Designates capacitance tolerance.

(2) To complete KEMET part number, insert T = 100% Matte Tin (Sn) Plated, G = Gold Plated, H = Standard Solder coated (SnPb 5% Pb minimum), N =

Non-Magnetic 100% Tin (Sn), M = Non-Magnetic (SnPb). Designates Termination Finish.

Refer to Ordering Information for additional detail.

Higher voltage ratings and tighter tolerance product including ESR may be substituted within the same size at KEMET's option. Voltage substitution will

be marked with the higher voltage rating. Substitutions can include better than series.

T2005_T491 • 10/21/2016

5

T491V107M004AT

T491V107M004AT概述

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