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Tantalum Surface Mount Capacitors – MIL-PRF (CWR Style)

T492 MIL-PRF-55365/8 (CWR11 Style)

Overview

The KEMET T492 is approved to MIL-PRF-55365/8 (CWR11)

with Weibull failure rates of B level (0.1% failures per 1,000

hours), C level (0.01% failures per 1,000 hours), D level

(0.001% failures per 1,000 hours), or T level (0.01% failures

per 1,000 hours, Option C surge current, DPA, radiographic

inspection, 100% visual inspection, DCL and

ESR measurements within +3 standard deviations, and Group

C inspection). This CWR11 product is a precision-molded

device with compliant terminations and indelible laser

marking. This is the military version of the global IEC/EIA

standard, represented by KEMET's T491. Tape & Reel per EIA

481 are standard.

Benefits

• Established reliability options

• Tape & Reel standard packaging per EIA 481

• Symmetrical, compliant terminations

• Laser-marked case

• 100% surge current test available on all case sizes

• Qualified to MIL-PRF-55365/8 (CWR11 Style)

• Termination options B, C, H (S), and K

• Weibull failure options B, C, D, and T

• Exponential failure rates M, P, R, and S

• Voltage rating of 4 – 50 VDC

• Operating temperature range of −55°C to +125°C

Applications

Typical applications include decoupling and filtering in military and aerospace applications requiring CWR11 devices.

Environmental Compliance

• Halogen-free

• Epoxy compliant with UL94 V-0

• Molded Epoxy complies for outgassing testing under ASTM E 595.

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.

Built Into Tomorrow

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2006_T492 • 10/14/2021

Tantalum Surface Mount Capacitors – MIL-PRF (CWR Style)

T492 MIL-PRF-55365/8 (CWR11 Style)

KEMET

Ordering Information

Capacitor

Class

492

Series

156

020

4251

Surge (C-Spec)

4250 = 25°C after

Weibull

4251 = −55°C and

85°C after Weibull

4252 = −55°C and

85°C before Weibull

TLVL = Weibull grade

level "T"

Packaging

(C-Spec)

Blank = 7" Reel

7280 = 13" Reel

7610 = Bulk bag

7640 = Bulk

plastic box

WAFL = Waffle

pack

Rated

Case Capacitance Capacitance

Voltage

Size

Code (pF)

Tolerance

(VDC)

First two digits J = ±5%

004 = 4

represent

K = ±10% 006 = 6

significant

M = ±20% 010 = 10

figures. Third

015 = 15

digit specifies

020 = 20

number of

025 = 25

zeros.

035 = 35

050 = 50

Failure Rate/

Termination Finish

Design

Weibull

A = non-ER

B = (0.1%/

1,000 hours)

C = (0.01%/

1,000 hours)

D = (0.001%/

1,000 hours)

T = (0.01%/

1,000 hours)

Exponential

M = (1.0%/

1,000 hours)

P = (0.1%/

1,000 hours)

R = (0.01%/

1,000 hours)

S = (0.001%/

1,000 hours

C = Hot solder

dipped

H / S = Standard

solder coated

(SnPb 5% Pb

minimum)

B = Gold-plated

K = Solder fused

CWR11

Tantalum Established

reliability

Ordering Information – Defense MIL-PRF-55365/8

CWR11

Capacitor Style

Rated

Voltage

(VDC)

Termination Finish

B = Gold-plated

C = Hot solder

dipped

H = Solder-plated

K = Solder fused

105

Capacitance Code (pF)

Capacitance

Tolerance

Reliability Level

Weibull

A = non-ER

B = (0.1%/1,000 hours)

C = (0.01%/1,000 hours)

D = (0.001%/1,000 hours)

T= T Level* (0.01%/1,000

hours)

Exponential

M = (1.0%/1,000 hours)

P = (0.1%/1,000 hours)

R = (0.01%/1,000 hours)

S = (0.001%/1,000 hours

Surge Current

Option

A = +25°C after

Weibull

B = −55°C +85°C

after Weibull

C = −55°C +85°C

before Weibull

Blank = None

Per

C=4

MIL-PRF-55365/8 D = 6

F = 10

H = 15

J = 20

K = 25

M = 35

N = 50

First two digits represent J = ±5%

significant figures. Third

K = ±10%

digit specifies number of

M = ±20%

zeros.

* When T Level is ordered, no Surge Current Option is needed

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2006_T492 • 10/14/2021

Tantalum Surface Mount Capacitors – MIL-PRF (CWR Style)

T492 MIL-PRF-55365/8 (CWR11 Style)

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 – 100 µF at 120 Hz/25°C

J Tolerance (5%), K Tolerance (10%), M Tolerance (20%)

4 – 50 V

Refer to Part Number Electrical Specification Table

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

Performance Characteristics

Qualification

Test

Endurance

Condition

85°C at rated voltage, 2,000 hours

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

Δ C/C

DCL

ESR

Δ C/C

DCL

ESR

Δ C/C

DCL

ESR

+25°C

IL*

Δ C/C

DCL

ESR

Δ C/C

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

+85°C

±10%

1.5 x IL

n/a

10 x IL

Within ±5% of initial value

Within initial limits

Within ±10% of initial value

Within initial limits

+125°C

±15%

1.5 x IL

12 x IL

Storage Life

125°C at 0 volts, 2,000 hours

Thermal Shock

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

−55°C to 125°C, 1,000 cycles

Extreme temperature exposure at a

succession of continuous steps at

+25°C, −55°C, +25°C, +85°C, +125°C,

+25°C

Temperature Stability

Δ C/C

DCL

Surge Voltage

25°C and 85°C, 1.32 x rated voltage 1,000 cycles

(125°C, 1.2 x rated voltage)

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

Please contact KEMET for more information.

Mechanical Shock/

Vibration

Additional qualification

tests per MIL-PRF-55365/8

*IL = Initial Limit

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2006_T492 • 10/14/2021

Tantalum Surface Mount Capacitors – MIL-PRF (CWR Style)

T492 MIL-PRF-55365/8 (CWR11 Style)

Certification

MIL-PRF-55365/8

Electrical Characteristics

ESR vs. Frequency

1,000

T492B225/020_IMP

T492C685/020_IMP

Capacitance vs. Frequency

100

T492B225/020

T492C685/020

T492D156/020

Impedance, ESR (Ohms)

100

T492D156/020_IMP

T492B225/020_ESR

T492C685/020_ESR

T492D156/020_ESR

Capacitance (µF)

1,000,000

10,000,000

0.1

100

1,000

10,000

Frequency (Hz)

100,000

0.01

100

1,000

10,000

Frequency (Hz)

100,000

1,000,000

10,000,000

Dimensions – Millimeters (Inches)

Metric will govern

SIDE VIEW

Termination cutout

at KEMET's option,

either end

END VIEW

Solderable

Surfaces

BOTTOM VIEW

½ H

Min.

Case Size

KEMET

1.6 ±0.2

(0.063 ±0.008)

1.9 ±0.2

(0.075 ±0.008)

2.5 ±0.3

(0.098 ±0.012)

2.8 ±0.3

(0.110 ±0.012)

Minimum

0.7

(0.028)

0.7

(0.028)

1.0

(0.039)

1.0

(0.039)

Component

3.2 ±0.2

(0.126 ±0.008)

3.5 ±0.2

(0.138 ±0.008)

6.0 ±0.3

(0.236 ±0.012)

7.3 ±0.3

(0.287 ±0.012)

P ±0.3

(0.012)

0.8

(0.031)

0.8

(0.031)

1.3

(0.051)

1.3

(0.051)

1.6 ±0.2

(0.063 ±0.008)

2.8 ±0.2

(0.110 ±0.008)

3.2 ±0.3

(0.126 ±0.012)

4.3 ±0.3

(0.169 ±0.012)

±0.1

(0.004)

1.2

(0.047)

2.2

(0.087)

2.2

(0.087)

2.4

(0.094)

Typical Weight

(mg)

58.97

102.3

224.2

412.33

Note: When option C is selected for lead material, add an additional 0.38 mm (0.015 inch) to the above tolerances for "L", "W", "H", "P", "W

" and "H

These weights are provided as reference. If exact weights are needed, please contact your KEMET sales representative.

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2006_T492 • 10/14/2021

Tantalum Surface Mount Capacitors – MIL-PRF (CWR Style)

T492 MIL-PRF-55365/8 (CWR11 Style)

Table 1 – Ratings & Part Number Reference

Rated Rated Case Code/

Voltage Cap

Case Size

VDC at 85°C

µF

2.2

4.7

6.8

100

1.5

2.2

3.3

4.7

6.8

1.5

2.2

3.3

4.7

6.8

0.68

1.5

2.2

3.3

4.7

0.47

0.68

1.5

2.2

3.3

4.7

6.8

µF

KEMET/EIA

A/3216-18

B/3528-21

C/6032-28

D/7343-31

A/3216-18

B/3528-21

C/6032-28

D/7343-31

A/3216-18

B/3528-21

C/6032-28

D/7343-31

A/3216-18

B/3528-21

C/6032-28

D/7343-31

A/3216-18

B/3528-21

C/6032-28

KEMET/EIA

KEMET Part

Number

(See below for

part options)

T492A225(1)004(2)(3)(4)

T492A475(1)004(2)(3)(4)

T492B685(1)004(2)(3)(4)

T492B106(1)004(2)(3)(4)

T492B156(1)004(2)(3)(4)

T492C336(1)004(2)(3)(4)

T492D686(1)004(2)(3)(4)

T492D107(1)004(2)(3)(4)

T492A155(1)006(2)(3)(4)

T492A225(1)006(2)(3)(4)

T492A335(1)006(2)(3)(4)

T492B475(1)006(2)(3)(4)

T492B685(1)006(2)(3)(4)

T492B106(1)006(2)(3)(4)

T492C156(1)006(2)(3)(4)

T492C226(1)006(2)(3)(4)

T492D476(1)006(2)(3)(4)

T492D686(1)006(2)(3)(4)

T492A105(1)010(2)(3)(4)

T492A155(1)010(2)(3)(4)

T492A225(1)010(2)(3)(4)

T492B335(1)010(2)(3)(4)

T492B475(1)010(2)(3)(4)

T492B685(1)010(2)(3)(4)

T492C156(1)010(2)(3)(4)

T492D336(1)010(2)(3)(4)

T492D476(1)010(2)(3)(4)

T492A684(1)015(2)(3)(4)

T492A105(1)015(2)(3)(4)

T492A155(1)015(2)(3)(4)

T492B225(1)015(2)(3)(4)

T492B335(1)015(2)(3)(4)

T492B475(1)015(2)(3)(4)

T492C106(1)015(2)(3)(4)

T492D226(1)015(2)(3)(4)

T492D336(1)015(2)(3)(4)

T492A474(1)020(2)(3)(4)

T492A684(1)020(2)(3)(4)

T492A105(1)020(2)(3)(4)

T492B155(1)020(2)(3)(4)

T492B225(1)020(2)(3)(4)

T492B335(1)020(2)(3)(4)

T492C475(1)020(2)(3)(4)

T492C685(1)020(2)(3)(4)

(See below for

part options)

MIL-PRF-55365/8

Part Number

Leakage

(See below for

part options)

CWR11C(6)225(1)(2)(5)

CWR11C(6)475(1)(2)(5)

CWR11C(6)685(1)(2)(5)

CWR11C(6)106(1)(2)(5)

CWR11C(6)156(1)(2)(5)

CWR11C(6)336(1)(2)(5)

CWR11C(6)686(1)(2)(5)

CWR11C(6)107(1)(2)(5)

CWR11D(6)155(1)(2)(5)

CWR11D(6)225(1)(2)(5)

CWR11D(6)335(1)(2)(5)

CWR11D(6)475(1)(2)(5)

CWR11D(6)685(1)(2)(5)

CWR11D(6)106(1)(2)(5)

CWR11D(6)156(1)(2)(5)

CWR11D(6)226(1)(2)(5)

CWR11D(6)476(1)(2)(5)

CWR11D(6)686(1)(2)(5)

CWR11F(6)105(1)(2)(5)

CWR11F(6)155(1)(2)(5)

CWR11F(6)225(1)(2)(5)

CWR11F(6)335(1)(2)(5)

CWR11F(6)475(1)(2)(5)

CWR11F(6)685(1)(2)(5)

CWR11F(6)156(1)(2)(5)

CWR11F(6)336(1)(2)(5)

CWR11F(6)476(1)(2)(5)

CWR11H(6)684(1)(2)(5)

CWR11H(6)105(1)(2)(5)

CWR11H(6)155(1)(2)(5)

CWR11H(6)225(1)(2)(5)

CWR11H(6)335(1)(2)(5)

CWR11H(6)475(1)(2)(5)

CWR11H(6)106(1)(2)(5)

CWR11H(6)226(1)(2)(5)

CWR11H(6)336(1)(2)(5)

CWR11J(6)474(1)(2)(5)

CWR11J(6)684(1)(2)(5)

CWR11J(6)105(1)(2)(5)

CWR11J(6)155(1)(2)(5)

CWR11J(6)225(1)(2)(5)

CWR11J(6)335(1)(2)(5)

CWR11J(6)475(1)(2)(5)

CWR11J(6)685(1)(2)(5)

(See below for

part options)

µA at +25°C

Max/5 Min

0.5

0.6

1.3

2.7

4.0

0.5

0.6

0.9

1.3

2.8

4.1

0.5

0.7

1.5

3.3

4.7

0.5

0.7

1.5

3.3

5.0

0.5

0.7

0.9

1.4

µA at +25°C

Max/5 Min

ESR

Maximum

Operating

Temp

°C

125

°C

MSL

Reflow Temp

≤ 260°C

Reflow Temp

≤ 260°C

% at +25°C

Ω at +25°C

120 Hz Max 100 kHz Max

6.0

8.0

6.0

8.0

6.0

5.5

6.0

4.0

6.0

3.5

6.0

2.2

6.0

1.1

8.0

0.9

6.0

8.0

6.0

8.0

6.0

8.0

6.0

5.5

6.0

4.5

6.0

3.5

6.0

3.0

6.0

2.2

6.0

1.1

6.0

0.9

4.0

10.0

6.0

8.0

6.0

8.0

6.0

5.5

6.0

4.5

6.0

3.5

6.0

2.5

6.0

1.1

6.0

0.9

4.0

12.0

4.0

10.0

6.0

8.0

6.0

5.5

6.0

5.0

6.0

4.0

6.0

2.5

6.0

1.1

6.0

0.9

4.0

14.0

4.0

12.0

4.0

10.0

6.0

5.0

6.0

4.0

6.0

3.0

6.0

2.4

% at +25°C

Ω at +25°C

120 Hz Max 100 kHz Max

Rated

Voltage

Rated

Cap

Case Code/

Case Size

KEMET Part Number

MIL-PRF-55365/8

Part Number

Leakage

ESR

Maximum

Operating

Temp

MSL

(1) To complete KEMET/CWR part number, insert M for ±20%, K for ±10%, or J for ±5%. Designates Capacitance tolerance.

(2) To complete KEMET/CWR part number, insert failure rate letter per the Ordering Information found on page 2. Designates Reliability Level.

(3) To complete KEMET part number, insert B = Gold-plated, C = Hot solder dipped, H or S = Solder-plated or K = Solder fused. Designates Termination Finish.

(4) To complete KEMET part number, insert 4250 = +25°C after Weibull, 4251 = −55°C +85°C after Weibull, or 4252 = −55°C +85°C before Weibull.

Designates Surge Current Option.

(5) To complete CWR part number, insert A = +25°C after Weibull, B = −55°C +85°C after Weibull, C = −55°C +85°C before Weibull or Z = None. Designates

Surge Current Option.

(6) To complete CWR part number, insert B = Gold-plated, C = Hot solder dipped, H = Solder-plated or K = Solder fused. Designates Termination Finish.

Refer to Ordering Information for additional details.

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2006_T492 • 10/14/2021