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Tantalum Polymer Capacitors – Hermetically Sealed

T550 Axial & T555 Surface Mount 105°C

Overview

The KEMET T550 axial leaded and T555 surface mount

polymer hermetically sealed (PHS) devices are tantalum

capacitors with a Ta anode and Ta

dielectric. A

conductive organic polymer replaces the traditionally

used MnO

or wet electrolyte as the cathode plate of

the capacitor. This results in very low ESR and improved

capacitance retention at high frequency and low

temperature. The PHS device also exhibits a benign failure

mode, which eliminates the case breach that can occur

in wet tantalum capacitors. Additionally, this part may

be operated at voltages up to 80% of rated voltage, with

equivalent or better reliability than traditional MnO

or wet

tantalum capacitors operated at 50% of rated voltage.

PHS capacitors also offer higher ripple current handling

capability and a lower ESR range than wet tantalums. With

reduced ESR and enhanced capacitance retention at higher

frequencies and low temperatures, these parts provide the

highest total capacitance and the most economical solution

for high power applications, all within an approximately 25%

lighter package than the equivalent wet tantalum capacitor.

Benefits

• Includes F-Tech anode which eliminates hidden defects in

the dielectric

• 100% simulated breakdown screening

• Maximum operating temperature of +105°C

• DLA drawing 13030 qualified parts available

• Polymer cathode technology

• Extremely low ESR

• High frequency and low temperature capacitance retention

• 100% constant voltage conditioning (240 hours)

• 100% surge current tested

• Volumetrically efficient

• Non-ignition failure mode

• Approximately 25% lighter than equivalent wet tantalum

• T550 case dimensions equivalent to

MIL-PRF-39006/22/25/30/31

• T555 surface mount design (see dimensions diagram)

Applications

Typical applications include high voltage power management, such as buck/boost converters, filtering, hold-up capacitors,

and other high ripple current applications.

One world. One KEMET

T2059_T550 • 6/26/2018

Tantalum Polymer Capacitors – Hermetically Sealed

T550 Axial & T555 Surface Mount 105°C

Ordering Information

Capacitor

Class

Tantalum

550

Series

550 =

Axial

Leaded

PHS

555 =

Surface

Mount

PHS

107

025

Product

Level

A = N/A

B* = DLA

13030

standard

reliability

T* = DLA

13030 high

reliability

Termination

Finish

T = 100% tin

(Sn)-plated

H = Tin/lead

(SnPb) solder

coated (5%

Pb minimum)

4251

Surge Option**

Blank = 25°C ±5°C, 10

cycles, after constant

voltage conditioning

(KEMET standard)

4251 = 10 cycles, –55°C

and +85°C after constant

voltage conditioning

4252 = 10 cycles,

–55°C and +85°C

before constant voltage

conditioning

Packaging**

Blank = Sleeved

0100 = Unsleeved

7200 = Tape &

Reel

7293 = Ammo

7443 = Ammo

Case Capacitance Capacitance Rated Voltage

Size Code (pF)

Tolerance

(VDC)

First two

digits

represent

significant

figures.

Third digit

specifies

number of

zeros.

K = ±10%

M = ±20%

006 = 6.3

008 = 8

010 = 10

015 = 15

025 = 25

030 = 30

035 = 35

040 = 40

050 = 50

060 = 60

075= 75

100 = 100

* Only available on select parts. Refer to part number table for details.

** Only for T550 (Surge options/Packaging)

Ordering Information – DLA

13030

Drawing

Number

-01

Dash

Number

See Part

Number

Table

Capacitance

Tolerance

K = ±10%

M = ±20%

Surge Current Testing

A = +25°C ±5°C, 10 cycles, after constant

voltage conditioning (KEMET standard)

B = –55°C, –5°C, +0°C and +85°C

±5°C after constant voltage conditioning.

C = –55°C, –5°C, +0°C and +85°C

±5°C before constant voltage conditioning.

Insulation

S = Sleeved

U = Unsleeved

Lead

Length

L = 1.50

inches

(standard)

Product

Level

B = Standard reliability

T = High reliability

* Standard terminations for DLA part numbers is "H" (SnPb).

Performance Characteristics

Item

Operating Temperature

Rated Capacitance Range

Capacitance Tolerance

Rated Voltage Range

DF (120 Hz at 25°C)

ESR (100 kHz at 25°C)

Leakage Current

Packaging

−55°C to 105°C

20 to 680 μF at 120 Hz/25°C *

K tolerance (±10%), M tolerance (±20%)

6.3 – 100 V

Refer to Part Number Electrical Specification Table

(at rated voltage up to +85°C and 78% of rated voltage applied at 105°C)

T550 according to MIL-PRF-39006, T555 bulk

Performance Characteristics

KEMET does not recommend storage above 85°C.

* Additional case sizes and capacitance/voltage are under development.

T2059_T550 • 6/26/2018

Tantalum Polymer Capacitors – Hermetically Sealed

T550 Axial & T555 Surface Mount 105°C

Qualification - T550

Test Performed

AC Ripple Life at 85˚C

85˚C Life

125˚C Life

Surge Voltage

Surge Current

Low Temperature Storage

Reverse Voltage

Visual and Mechanical

Examination (Internal and

External)

Terminal Strength

Resistance to Solvents

Resistance to Soldering Heat

Solderability

Shock and Vibration

Barometric Pressure

(Reduced)

Salt Atmosphere (Corrosion)

Moisture Resistance

Dielectric Withstanding

Voltage

Insulation Resistance

Temperature Stability

Frequency Scan

Method Reference

Reliability and Environmental Tests

MIL–PRF–39006

KEMET Standard

MIL–PRF–39006

MIL–PRF–39003

MIL–PRF–39006

KEMET Catalog

Test Conditions

85˚C, 40 kHz ripple current, 2,000 hours

85˚C, rated voltage, 2,000 hours

125°C, 0.66 x rated voltage, 2,000 hours

85˚C, 1.15 x rated voltage, 1,000 cycles, except delta cap shall be +10%/−20%

+25 °C, 10 cycles (Option A), Option B available

−62˚C for 72 hours followed by 1 hour at 125˚C

1 V for 8 hours maximum at 25°C, 1 V for 2 hours maximum at 70°C

Physical, Mechanical and Process Tests

MIL–PRF–39006

MIL–STD–202,

Methods 213, 204

MIL–PRF–39006

MIL–PRF–39003

Reference MIL–PRF–39006

KEMET Standard

Case dimensions, marking

Pull test and wire lead bend test

Immersion in (3) solvents

Immersed to within 0.05 inch of capacitor body

Depth of insertion in flux and solder to within 0.062 inch of welded joint

Shock Method 213, Condition I, 100 g peak, Vibration Method 204,

Condition D, 20 g peak

150,000 feet for 5 minutes, voltage applied for 1 minute

Subjected to fine mist of salt solution

65°C at 6 volts

2,000 VDC, 60 seconds, sleeving examined for evidence of breakdown

500 VDC, 1 minute, insulation resistance not less than 1,000 MΩ

Electrical Characterization

−55˚C to 105˚C

Impedance, ESR and capacitance versus frequency

T2059_T550 • 6/26/2018

Tantalum Polymer Capacitors – Hermetically Sealed

T550 Axial & T555 Surface Mount 105°C

Qualification – DLA Approval Inspection – Only for T550

Inspection

Test Name

Shock (specified pulse)

Group I

Vibration, high frequency

Thermal shock

Salt atmosphere

Solderability

Terminal strength

Surge voltage

Group II

Moisture resistance

Dielectric withstanding voltage

Insulation resistance

Low temperature (storage)

Group III

Group IV

Group V

Group VI

Group VII

DLA Requirement

Paragraph

3.3.4

3.3.5

3.3.6

3.3.7

3.3.8

3.3.9

3.3.10

3.3.11

3.3.12

3.3.13

3.3.14

3.3.15

3.3.23

3.3.16

3.3.18

3.3.17

3.3.20

3.3.21

3.3.22

SS/Lot

6 per case size

Stability at low and high temperatures

Reverse voltage

Life at 85°C

AC ripple life at 85°C

Life at 105°C

Barometric pressure

Resistance to solvents

Resistance to soldering heat

12 per condition

102

8 per case size

No failures for mechanical shock or vibration tests shall be permitted.

Surge voltage change in capacitance limits are wider than those in some subsequent tests.

It may be necessary to perform initial measurements again, prior to the individual tests of Group II.

Product Level:

Inspection of product for delivery shall consist of:

B level

T level

Group A inspection specified in Drawing 13030

Group A and group B inspections specified in Drawing 13030

T2059_T550 • 6/26/2018

Tantalum Polymer Capacitors – Hermetically Sealed

T550 Axial & T555 Surface Mount 105°C

Qualification - T555

Test Performed

105˚C Life

Surge Voltage

Visual and Mechanical

Examination (Internal and

External)

Terminal Strength

Resistance to Solvents

Resistance to Soldering Heat

Solderability

Shock and Vibration

Method Reference

Reliability and Environmental Tests

KEMET Standard

MIL-PRF-39006

Test Conditions

105°C, 0.78 x rated voltage, 2,000 hours

85˚C, 1.15 x rated voltage, 1,000 cycles, except delta cap shall be +10%/–20%

Physical, Mechanical and Process Tests

MIL-PRF-39003

MIL-PRF-39006

MIL-STD-202,

Methods 213, 204

Reference MIL-PRF-39006

Case dimensions, marking

Pull test and wire lead bend test

Immersion in (3) solvents

Immersed to within 0.05 inch of capacitor body

Depth of insertion in flux and solder to within 0.062 inch of welded joint

Shock Method 213, Condition I, 100 g peak, Vibration Method 204,

Condition D, 20 g peak

Electrical Characterization

Temperature Stability

–55˚C to 105˚C

Environmental Compliance

RoHS compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn. Epoxy compliant with UL 94 V–0.

T2059_T550 • 6/26/2018