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

T429 MIL-PRF-55365/11 (CWR29 Style)

Overview

The KEMET T429 is approved to MIL-PRF-55365/11

(CWR29 Style) 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 CWR29 product is a precision-

molded device with compliant terminations and indelible

laser marking. Tape and reeling per EIA 481 is standard.

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

• Qualified to MIL-PRF-55365/11 (CWR29 Style)

• Termination options B, C, H, 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

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Applications

Typical applications include decoupling and filtering in military and aerospace applications requiring CWR29 devices.

Environmental Compliance

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

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.

One world. One KEMET

T2003_T429 • 11/14/2017

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

T429 MIL-PRF-55365/11 (CWR29 Style)

KEMET

Ordering Information

Capacitor

Class

Tantalum

429

Series

CWR29

Established

Reliability

225

004

Failure Rate/Design

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)

Termination

Finish

C = Hot solder

dipped

H = Standard

solder coated

(SnPb 5% Pb

minimum)

B = Gold-

plated

K = Solder

fused

4251

Surge

7280

Packaging

(C-Spec)

Rated

Case Capacitance Capacitance

Voltage

Size

Code (pF)

Tolerance

(VDC)

First two

J = ±5%

digits

K = ±10%

represent M = ±20%

significant

figures.

Third digit

specifies

number of

zeros.

004 = 4

006 = 6.3

010 = 10

015 = 15

020 = 20

025 = 25

035 = 35

050 = 50

Blank = No

Blank = 7" Reel

surge

7280 = 13" Reel

4250= 25°C

7610 = Bulk bag

after Weibull

7005 = Moisture

4251 = −55°C

bags

and 85°C after

7640 = Bulk

Weibull

plastic box

4252 = −55°C WAFL = Waffle

and 85°C before

pack

Weibull

TLVL= Weibull

grade level "T"

Ordering Information – Defense MIL-PRF-55365/11

CWR29

Capacitor Style

Per

MIL-

PRF-55365/11

Rated

Voltage

(VDC)

C=4

D = 6

F = 10

H = 15

J = 20

K = 25

M = 35

N = 50

Termination

Finish

225

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)

Case

Code

Surge Current Option

A = +25°C after Weibull

B = −55°C +85°C after

Weibull

C = −55°C +85°C before

Weibull

Z = None

B = Gold-plated

First two digits

J = ±5%

C = Hot solder

represent

K = ±10%

dipped

significant

M = ±20%

H = Solder

figures. Third

plated

digit specifies

K = Solder

number of

fused

zeros.

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

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 – 330 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

T2003_T429 • 11/14/2017

Performance Characteristics

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

T429 MIL-PRF-55365/11 (CWR29 Style)

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

DCL

ESR

Δ C/C

DCL

ESR

Δ C/C

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

−55°C to 125°C, 1,000 cycles

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

DCL

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

(125°C, 1.2 x rated voltage)

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

±10%

N/A

+85°C

±10%

1.5 x IL

10 x IL

+125°C

±15%

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

Additional qualification

tests per MIL-PRF-55365/11

*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

Please contact KEMET for more information.

Certification

MIL-PRF-55365/11

T2003_T429 • 11/14/2017

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

T429 MIL-PRF-55365/11 (CWR29 Style)

Electrical Characteristics

1,000

ESR vs. Frequency

100

T429C475/015_IMP

T429F336/015_IMP

T429H107/015_IMP

Capacitance vs. Frequency

T429C475/015

T429F336/015

100

T429H107/015

Impedance, ESR (Ohms)

T429F336/015_ESR

T429H107/015_ESR

Capacitance (µF)

T429C475/015_ESR

0.1

0.01

100

1,000

10,000

Frequency (Hz)

100,000

1,000,000

10,000,000

0.1

100

1,000

10,000

Frequency (Hz)

100,000

1,000,000

10,000,000

T2003_T429 • 11/14/2017

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

T429 MIL-PRF-55365/11 (CWR29 Style)

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

L ±0.38 (0.015)

2.54 (0.100)

3.81 (0.150)

5.08 (0.200)

3.81 (0.150)

5.08 (0.200)

5.59 (0.220)

6.73 (0.265)

7.24 (0.285)

6.93 (0.273)

Component

W ±0.38 (0.015) H ±0.38 (0.015)

1.27 (0.050)

2.54 (0.100)

3.43 (0.135)

2.79 (0.110)

3.81 (0.150)

5.41 (0.213)

1.27 (0.050)

1.78 (0.070)

2.79 (0.110)

2.74 (0.108)

P +0.25 (0.010),

-0.13 (0.005)

0.76 (0.030)

1.27 (0.050)

1.19 (0.047)

1.27 ±0.13

(0.050 ±0.005)

1.27 ±0.13

(0.050 ±0.005)

1.27 ±0.13

(0.050 ±0.005)

2.41 +0.13,−0.25

(0.095 +0.005,−0.010)

2.41 +0.13,−0.25

(0.095 +0.005,−0.010)

3.30 ±0.13

(0.130 ±0.005)

2.67 ±0.13

(0.105 ±0.005)

3.68 +0.013,−0.51

(0.145 +0.005,−0.020)

3.05 ±0.13

(0.120 ±0.005)

Minimum

0.76 (0.030)

1.02 (0.040)

1.52 (0.060)

1.22 (0.048)

Typical Weight

(mg)

39.91

68.73

146.5

264.12

421.63

173.63

266.42

349.01

590.44

Note: When solder coated terminations are required, 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.

T2003_T429 • 11/14/2017