KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 864-963-6300 www.kemet.com T2006_T492 12/5/2017 1One world. One KEMET

Benefits

Established reliability options Taped and reeled per EIA 481 Symmetrical, compliant terminations Laser-marked case 100% surge current test available on all case sizes QualifiedtoMIL-PRF-55365/8(CWR11Style) Termination options B, C, H, and K WeibullfailureoptionsB,C,D,andT ExponentialfailureratesM,P,R,andS Voltageratingof450VDC Operatingtemperaturerangeof55Cto+125C

Overview

TheKEMETT492isapprovedtoMIL-PRF-55365/8(CWR11)withWeibullfailureratesofBlevel(0.1%failuresper1,000hours),Clevel(0.01%failuresper1,000hours),Dlevel(0.001%failuresper1,000hours),orTlevel(0.01%failuresper1,000hours,OptionCsurgecurrent,DPA,radiographicinspection,100%visualinspection,DCLand

ESRmeasurementswithin+3standarddeviations,andGroupCinspection).ThisCWR11productisaprecision-moldedde-vice with compliant terminations and indelible laser marking. ThisisthemilitaryversionoftheglobalIEC/EIAstandard,represented by KEMET's T491. Tape-and-reeling per EIA 481 are standard.

TantalumSurfaceMountCapacitorsMIL-PRF(CWRStyle)

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

Applications

TypicalapplicationsincludedecouplingandfilteringinmilitaryandaerospaceapplicationsrequiringCWR11devices.

Environmental Compliance

RoHSCompliant(6/6)accordingtoDirective2002/95/ECwhenorderedwith100%Snsolder.

K-SIM

Foradetailedanalysisofspecificpartnumbers,pleasevisitksim.kemet.comtoaccessKEMETsK-SIMsoftware.KEMETK-SIMisdesignedtosimulatebehaviorofcomponentswithrespecttofrequency,ambienttemperature,andDCbiaslevels.

KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 864-963-6300 www.kemet.com T2006_T492 12/5/2017 22

Tantalum Surface Mount Capacitors MIL-PRF (CWR Style)T492 MIL-PRF-55365/8 (CWR11 Style)

KEMET Ordering Information

T 492 D 156 K 020 A C 4251

CapacitorClass Series

Case Size

Capacitance Code(pF)

Capacitance Tolerance

RatedVoltage (VDC)

FailureRate/Design TerminationFinish Surge(C-Spec)

Packaging (C-Spec)

T = Tantalum

CWR11Established Reliability

A B C D

Firsttwodigitsrepresent significant

figures.Thirddigitspecifiesnumberof

zeros.

J = 5%K = 10%M = 20%

004 = 4006 = 6.3010 = 10015 = 15020 = 20025 = 25035 = 35050 = 50

WeibullA=non-ERB=(0.1%/ 1,000hours)C=(0.01%/ 1,000hours)D=(0.001%/ 1,000hours)T=(0.01%/ 1,000hours)ExponentialM=(1.0%/ 1,000hours)P=(0.1%/ 1,000hours)R=(0.01%/ 1,000hours)S=(0.001%/ 1,000 hours

C = Hot solder dipped H = Standard solder coated (SnPb5%Pbminimum)B = Gold-plated K=Solderfused

4250=25CafterWeibull4251=55Cand85CafterWeibull4252=55Cand85CbeforeWeibullTLVL=Weibullgradelevel "T"

Blank=7"Reel 7280=13"Reel 7610 = Bulk bag 7640 = Bulk plastic box WAFL=Wafflepack

Ordering Information Defense MIL-PRF-55365/8

CWR11 M H 105 K B A

Capacitor StyleRated

Voltage (VDC)

TerminationFinish CapacitanceCode(pF) Capacitance Tolerance ReliabilityLevelSurge Current

Option

Per MIL-PRF-55365/8

C = 4D=6F=10H = 15J = 20K = 25M = 35N = 50

B = Gold-platedC = Hot solder dippedH = Solder platedK=Solderfused

Firsttwodigitsrepresentsignificantfigures.Thirddigitspecifiesnumberof

zeros.

J = 5%K = 10%M = 20%

WeibullA=non-ERB=(0.1%/1,000hours)C=(0.01%/1,000hours)D=(0.001%/1,000hours)T=TLevel*(0.01%/1,000hours)ExponentialM=(1.0%/1,000hours)P=(0.1%/1,000hours)R=(0.01%/1,000hours)S=(0.001%/1,000hours

A=+25CafterWeibullB=55C+85CafterWeibullC=55C+85CbeforeWeibullBlank = None

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

KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 864-963-6300 www.kemet.com T2006_T492 12/5/2017 33

Tantalum Surface Mount Capacitors MIL-PRF (CWR Style)T492 MIL-PRF-55365/8 (CWR11 Style)

Performance Characteristics

Item Performance CharacteristicsOperating Temperature 55Cto125C

RatedCapacitanceRange 0.1100Fat120Hz/25C

Capacitance Tolerance JTolerance(5%),KTolerance(10%),MTolerance(20%)

RatedVoltageRange 450V

DF(120Hz) RefertoPartNumberElectricalSpecificationTable

ESR(100kHz) RefertoPartNumberElectricalSpecificationTable

Leakage Current 0.01CV(A)atratedvoltageafter5minutes

Qualification

Test Condition Characteristics

Endurance 85Catratedvoltage,2,000hours125Cat2/3ratedvoltage,2,000hours

C/C Within10%ofinitialvalueDF WithininitiallimitsDCL Within1.25xinitiallimitESR Withininitiallimits

StorageLife 125Cat0volts,2,000hours

C/C Within10%ofinitialvalueDF WithininitiallimitsDCL Within1.25xinitiallimitESR Withininitiallimits

Thermal Shock MIL-STD-202,Method107,ConditionB,mounted,55Cto125C,1,000cycles

C/C Within5%ofinitialvalueDF WithininitiallimitsDCL Within1.25xinitiallimitESR Withininitiallimits

Temperature StabilityExtreme temperature exposure at a successionofcontinuousstepsat 55C,+25C,+85C,+125C

+25C 55C +85C +125CC/C IL* 10% 10% 15%DF IL IL 1.5 x IL 1.5 x ILDCL IL n/a 10 x IL 12 x IL

Surge Voltage 25Cand85C,1.32xratedvoltage1,000cycles(125C,1.2xratedvoltage)

C/C Within5%ofinitialvalueDF WithininitiallimitsDCL WithininitiallimitsESR Withininitiallimits

Mechanical Shock/Vibration

MIL-STD-202,Method213,ConditionI,100GpeakMIL-STD-202,Method204,ConditionD,10Hzto 2,000 Hz, 20 G peak

C/C Within10%ofinitialvalueDF WithininitiallimitsDCL Withininitiallimits

AdditionalqualificationtestsperMIL-PRF-55365/8 PleasecontactKEMETformoreinformation.

*IL = Initial Limit

KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 864-963-6300 www.kemet.com T2006_T492 12/5/2017 44

Tantalum Surface Mount Capacitors MIL-PRF (CWR Style)T492 MIL-PRF-55365/8 (CWR11 Style)

CertificationMIL-PRF-55365/8

Electrical Characteristics

0.01

0.1

1

10

100

100 1,000 10,000 100,000 1,000,000 10,000,000Ca

paci

tanc

e (

F)

Frequency (Hz)

T492B225/020T492C685/020T492D156/020

Capacitancevs.FrequencyESRvs.Frequency

0.1

1

10

100

1,000

100 1,000 10,000 100,000 1,000,000 10,000,000

Impe

danc

e, E

SR (O

hms)

Frequency (Hz)

T492B225/020_IMPT492C685/020_IMPT492D156/020_IMPT492B225/020_ESRT492C685/020_ESRT492D156/020_ESR

Dimensions Millimeters (Inches)Metric will govern

W

H2 Min.

P

L

SIDE VIEW BOTTOM VIEWEND VIEW

P W2

H2 H

SolderableSurfaces

Termination cutout at KEMET's option,

either end

Case Size Component Typical Weight

KEMET H H2 Minimum LP 0.3 (0.012) W

W2 0.1 (0.004) (mg)

A 1.6 0.2 (0.0630.008)0.7

(0.028)3.2 0.2

(0.1260.008)0.8

(0.031)1.6 0.2

(0.0630.008)1.2

(0.047) 58.97

B 1.9 0.2 (0.0750.008)0.7

(0.028)3.5 0.2

(0.1380.008)0.8

(0.031)2.8 0.2

(0.1100.008)2.2

(0.087) 102.3

C 2.5 0.3 (0.0980.012)1.0

(0.039)6.0 0.3

(0.2360.012)1.3

(0.051)3.2 0.3

(0.1260.012)2.2

(0.087) 224.2

D 2.8 0.3 (0.1100.012)1.0

(0.039)7.3 0.3

(0.2870.012)1.3

(0.051)4.3 0.3

(0.1690.012)2.4

(0.094) 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", "W2" and "H2."These weights are provided as reference. If exact weights are needed, please contact your KEMET sales representative.

KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 864-963-6300 www.kemet.com T2006_T492 12/5/2017 55

Tantalum Surface Mount Capacitors MIL-PRF (CWR Style)T492 MIL-PRF-55365/8 (CWR11 Style)

Table 1 Ratings & Part Number Reference

(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 = +25C after Weibull, 4251 = 55C +85C after Weibull, or 4252 = 55C +85C before Weibull. Designates Surge Current Option.(5) To complete CWR part number, insert A = +25C after Weibull, B = 55C +85C after Weibull, C = 55C +85C 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.

Rated Voltage

Rated Cap

Case Code/ Case Size

KEMET Part Number

MIL-PRF-55365/8Part Number

DC Leakage DF ESR

Maximum Operating

TempMSL

VDC @ 85C F KEMET/EIA (See below forpart options)(See below forpart options)

A @ +20CMax/5 Min

% @ +20C120 Hz Max

@ +20C100 kHz Max C

Reflow Temp 260C

4 2.2 A/3216-18 T492A225(1)004(2)(3)(4) CWR11C(6)225(1)(2)(5) 0.5 6.0 8.0 125 14 4.7 A/3216-18 T492A475(1)004(2)(3)(4) CWR11C(6)475(1)(2)(5) 0.5 6.0 8.0 125 14 6.8 B/3528-21 T492B685(1)004(2)(3)(4) CWR11C(6)685(1)(2)(5) 0.5 6.0 5.5 125 14 10 B/3528-21 T492B106(1)004(2)(3)(4) CWR11C(6)106(1)(2)(5) 0.5 6.0 4.0 125 14 15 B/3528-21 T492B156(1)004(2)(3)(4) CWR11C(6)156(1)(2)(5) 0.6 6.0 3.5 125 14 33 C/6032-28 T492C336(1)004(2)(3)(4) CWR11C(6)336(1)(2)(5) 1.3 6.0 2.2 125 14 68 D/7343-31 T492D686(1)004(2)(3)(4) CWR11C(6)686(1)(2)(5) 2.7 6.0 1.1 125 14 100 D/73