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Technical content

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 One world. One KEMET Benefits

  • I ncludes F-Tech anode which eliminates hidden defects in the dielectric 00% Simulated Breakdown Screening V oltage rating of 6 VDC – 60 VDC Ca pacitance: 20 µF to 820 µF M aximum operating temperature of +125°C P olymer cathode technology
  • ≤ 0.0075 CV (µA) at rated voltage after minutes E xtremely low ESR H igh frequency capacitance retention L ow temperature capacitance retention 00% accelerated steady state aging (240 hours) 00% surge current tested, 10 cycles +25°C
  • Volumetrically efficient U se at up to 80% of rated voltage N on-ignition failure mode
  • Approximately 25% lighter than equivalent wet tantalum Ca se dimensions equivalent to MIL–PRF–39006/22/25/30/31 Overview The KEMET T551 Series Polymer Hermetic Seal (PHS) is a tantalum capacitor with a Ta anode and Ta2O5 dielectric. A c onductive organic polymer replaces the traditionally used MnO2 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 T551 Series PHS also exhibits a benign failure mode which eliminates the case breach that can occur in wet tantalum types. Additionally, this p art may be operated at voltages up to 80% of rated voltage with equivalent or better reliability than traditional MnO2 or wet tantalum capacitors operated at 50% of rated voltage. T551 Series PHS also offers 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, the T551 Series PHS provides 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. Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series

Applications

Typical applications include high voltage power management such as buck/boost converters, filtering, hold-up capacitors, and other h igh ripple current applications.

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series

Ordering Information

T 551 B 107 M 025 A T 4251 Capacitor Class Series Case Size Capacitance Code (pF) Capacitance Tolerance Rated Voltage (VDC) Product Level Termination Finish Surge Option Sleeve Option T = Tantalum 551 = Polymer Hermetic Seal B First two digits represent significant figures. T hird digit specifies n umber of zeros. K = ±10% M = ±20% 006 = 6.3 V 008 = 8 V 015 = 15 V 025 = 25 V 040 = 40 V 050 = 50 V 060 = 60 V A = N/A T = 100% tin (Sn) plated H = Tin/lead (SnPb) solder coated (5% Pb minimum) 4251 = Surge current, 10 cycles, -55°C and +85°C Blank = Sleeved 0100 = Unsleeved 7200 = Tape & Reel 7293 & 7443 = Ammo Performance Characteristics Item Performance Characteristics Operating Temperature -55°C to 125°C Rated Capacitance Range 20 μF to 820 μF at 120 Hz/25°C Capacitance Tolerance K Tolerance (10%), M Tolerance (20%) Rated Voltage Range 6 – 60 V DF (120 Hz at 25°C) Refer to Part Number Electrical Specification Table E SR (100 kHz at 25°C) Refer to Part Number Electrical Specification Table L eakage Current Refer to Part Number Electrical Specification Table (at rated voltage up to +85°C and 66% of rated voltage applied at 125°C) Packaging According MIL–PRF–39006 KEMET does not recommend storage above 85ºC. * Additional case sizes and capacitance/voltage are under development.

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series Qualification Test Performed Method Reference Test Conditions Reliability and Environmental Tests AC Ripple Life at 85˚C M IL–PRF–39006 85˚C, 40 kHz ripple current, 2,000 hours 85˚C L ife MIL–PRF–39006 85˚C, rated voltage, 2,000 hours 125˚C L ife KEMET Standard 125°C, 0.66 x rated voltage, 2,000 hours Surge Voltage MIL–PRF–39006 85˚C, 1.15 x rated voltage, 1,000 cycles, except delta cap shall be +10%/-20% Surge Current MIL–PRF–39003 +25 ºC, cycles (Option A), Option B available Low Temperature Storage MIL–PRF–39006 -62˚C for hours followed by hour at 125˚C Reverse Voltage KEMET Catalog 1 V for 8 hours maximum at 25°C, 1 V for 2 hours maximum at 70°C Physical, Mechanical and Process Tests Visual and Mechanical Examination (Internal and External) MIL–PRF–39006 Case dimensions, marking Terminal Strength MIL–PRF–39006 Pull test and wire lead bend test Resistance to Solvents MIL–PRF–39006 Immersion in (3) solvents Resistance to Soldering Heat MIL–PRF–39006 Immersed to within 0.05 inch of capacitor body Solderability MIL–PRF–39006 Depth of insertion in flux and solder to within 0.062 inch of welded joint Shock and Vibration MIL–STD–202, Methods 213, 204 Shock Method 213, Condition I, 100 g peak, Vibration Method 204, Condition D, 20 g peak Barometric Pressure (Reduced) MIL–PRF–39006 150,000 feet for 5 minutes, voltage applied for 1 minute Salt Atmosphere (Corrosion) MIL–PRF–39006 Subjected to fine mist of salt solution Moisture Resistance MIL–PRF–39006 65˚C at volts Dielectric Withstanding Voltage MIL–PRF–39006 2,000 VDC, 60 seconds, sleeving examined for evidence of breakdown Insulation Resistance MIL–PRF–39003 500 VDC, minute, insulation resistance not less than 1,000 MΩ Electrical Characterization Temperature Stability Reference MIL–PRF–39006 -55˚C t o 1 25˚C Frequency Scan KEMET Standard Impedance, ESR and capacitance versus frequency

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series 100 120 10 100 1,000 10,000 100,000 1,000,000 Capacitance (µF) Frequency (Hz) +125°C +85°C +50°C +25°C 0°C -25°C -55°C -80°C 0.0 0.1 1.0 10.0 10 100 1,000 10,000 100,000 1,000,000 10,000,000 ESR (mOhms) Frequency (Hz) +125°C +85°C +50°C +25°C 0°C -25°C -55°C -80°C

Electrical Characteristics

ESR vs. Frequency Capacitance vs. Frequency

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series Dimensions – Inches (Millimeters) SIDE VIEW END VIEW L B 1.50 ±0.250 (38.10 ±6.35) D C 1.50 ±0.250 (38.10 ±6.35) 0.094 (2.39) Maximum Case Code Case Size Uninsulated Case Insulated Case MIL-PRF-39006 L ±0.031 (0.79) D +0.016 (0.41) -0.015 (0.38) M ±0.002 (0.05) J max D +0.016 (0.41) -0.015 (0.38) L ± 0.031 (0.79) Table 1 – Ratings & Part Number Reference Rated Vo l t a g e Rated Capacitance Case Size KEMET Part Number DC Leakage DF Maximum ESR Ripple Current (V) 85ºC µF KEMET/EIA (See below for part options) µA at 25°C Maximum/5 Minutes % at 25ºC

120 Hz Max

mΩ at 25ºC 100 kHz mArms at 85ºC/40 kHz 6 140 B T551B147(1)006A(2) 6.3 5.0 120 1510 6 820 B T551B827(1)006A(2) 36.9 5.0 90 1750 8 220 B T551B227(1)008A(2) 13.2 5.0 120 1510 8 680 B T551B687(1)008A(2) 40.8 5.0 90 1750 10 100 B T551B107(1)010A(2) 7.5 5.0 140 1400 10 180 B T551B187(1)010A(2) 13.5 5.0 110 1580 10 560 B T551B567(1)010A(2) 42.0 5.0 90 1750 15 70 B T551B706(1)015A(2) 7.9 5.0 140 1400 15 120 B T551B127(1)015A(2) 13.5 5.0 110 1580 15 390 B T551B397(1)015A(2) 43.9 5.0 90 1750 25 50 B T551B506(1)025A(2) 9.4 5.0 170 1275 25 100 B T551B107(1)025A(2) 18.8 5.0 190 1200 30 40 B T551B406(1)030A(2) 9.0 5.0 170 1275 30 68 B T551B686(1)030A(2) 15.3 5.0 140 1400 40 100 B T551B107(1)040A(2) 30.0 5.0 150 1350 40 120 B T551B127(1)040A(2) 36.0 5.0 120 1510 50 25 B T551B256(1)050A(2) 9.4 5.0 170 1275 50 47 B T551B476(1)050A(2) 17.6 5.0 150 1350 50 100 B T551B107(1)050A(2) 37.5 5.0 130 1450 50 120 B T551B127(1)050A(2) 45.0 5.0 90 1750 60 20 B T551B206(1)060A(2) 9.0 5.0 200 1175 60 39 B T551B396(1)060A(2) 17.6 5.0 160 1310 60 100 B T551B107(1)060A(2) 45.0 5.0 100 1660 (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, H = Standard Solder coated (SnPb 5% Pb minimum). 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.

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series Recommended Voltage Derating Guidelines -55°C to 85°C 85°C to 105°C 105°C to 125°C % Change in Working DC Voltage with Temperature VR 78% of VR 66% of VR Recommended Maximum Application Voltage (As % of Rated Voltage) 80% of VR 63% of VR 53% of VR Ripple Current/Ripple Voltage Permissible AC ripple voltage and current are related to equivalent series resistance (ESR) and the power dissipation capabilities of the d evice. Permissible AC ripple voltage that may be applied is limited by two criteria: The positive peak AC voltage plus the DC bias voltage, if any, must not exceed the DC voltage rating of the capacitor. The negative peak AC voltage in combination with bias voltage, if any, must not exceed the allowable limits specified for reverse v oltage. The maximum power dissipation by case size can be determined using the below left table. The maximum power dissipation rating stated in the table must be reduced with increasing environmental operating temperatures. Refer to the below right table for temperature compensation requirements. Case Code Maximum Power Dissipation (Pmax) mWatts at 25°C with +60°C Rise KEMET MIL–PRF–39006/22/ 25/30/31 Case Size B T2 715 Temperature Compensation Multipliers for Maximum Power Dissipation (Pmax) T ≤ 45°C 45°C < T ≤ 85°C 85°C < T ≤ 125°C 1.00 0.50 0.10 T= Environmental Temperature Using the Pmax of the device, the maximum allowable rms ripple current or voltage may be determined. I(max) = √Pmax /R E(max) = Z √Pmax /R I = rms ripple current (amperes) E = rms ripple voltage (volts) P max = maximum power dissipation (watts) R = ESR at specified frequency (ohms) Z = Impedance at specified frequency (ohms) The maximum power dissipation rating must be reduced with increasing environmental operating temperatures. Refer to the Temperature Compensation Multiplier table for details. 20% 40% 60% 80% 100% 120% -55 25 45 85 105 125 % Working Voltage Temperature (°C) % Change in Working DC Voltage with Temperature Recommended Ma ximum A pplication V oltage ( As % of R ated Voltage) 80% 66% 53%

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series Reverse Voltage Solid tantalum polymer capacitors are polar devices and may be permanently damaged or destroyed if connected with the wrong polarity. A small reverse voltage is permissible for time periods per the below table. KEMET can offer lower capacitance in this voltage w ith higher reverse voltage capability. In addition, we continue to improve our capability for this characteristic. Temperature Permissible Reverse Voltage 25°C 1 V for 8 hours Maximum 70ºC 1 V for 2 hours Maximum Optimum Solder Wave Profile Mounting All encased capacitors will pass the Resistance to Soldering Heat Test of MIL–STD–202, Method 210, Condition C. This test simulates w ave solder of topside board mount product. This demonstration of resistance to solder heat is in accordance with what is believed to be the industry standard. More severe treatment must be considered reflective of an improper soldering process. The above figure is a r ecommended solder wave profile for both axial and radial leaded solid tantalum capacitors.

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series Construction Detailed Cross Section Tantalum Wire Solder Ta2O5 Dielectric (First Layer) Carbon (Third Layer) Silver Paint (Fourth Layer) Polymer (Second Layer) Wire Lead (-) (100% Sn / SnPb) Solder SolderWire Lead (+) (100% Sn / SnPb) Anode Tube Hermetic Seal System (Glass Seal and Ring) Aluminum Can Tantalum Aluminum Can Hermetic Seal System (Ring) Tantalum Wire Tantalum Pellet (See Detail for Layers) Hermetic Seal System (Glass Seal) Anode Tube Wire Lead (-) (100% Sn / SnPb) Wire Lead (+) (100% Sn / SnPb) Capacitor Marking KT551 + 100µF 10% 60V 1422AAAA Polarity Mark Rated Capacitance B Case Series KEMET ID

4 Digit Date Code, Lot Code

Tolerance, Rated Voltage (VDC) Date Code 3 Digit 4 Digit Year 5 = 2015 6 = 2016 7 = 2017 8 = 2018 9 = 2019 15 = 2015 16 = 2016 17 = 2017 18 = 2018 19 = 2019 Week 01 = 1 st week of the year to 52 = 52nd week of the year

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series Storage Tantalum hermetically sealed capacitors should be stored in normal working environments. While the capacitors themselves are quite robust in other environments, solderability will be degraded by exposure to high temperatures, high humidity, corrosive atmospheres, and long term storage. In addition, packaging materials will be degraded by high temperature– reels may soften or warp and tape peel force may increase. KEMET recommends that maximum storage temperature not exceed 40ºC and maximum storage humidity not exceed 60% relative humidity. Temperature fluctuations should be minimized to avoid condensation on the parts and atmospheres s hould be free of chlorine and sulphur bearing compounds. For optimized solderability capacitors stock should be used promptly, preferably within three years of receipt. Packaging Case Size Pieces per Tray KEMET EIA B T2 20 Weight Case Size Average Weight (grams)KEMET EIA B T2 3.63

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series KEMET Corporation World Headquarters

2835 KEMET Way

Simpsonville, SC 29681 Mailing Address: P.O. Box 5928 Greenville, SC 29606 www.kemet.com Tel: 864-963-6300 Fax: 864-963-6521 Corporate Offi ces Fort Lauderdale, FL Tel: 954-766-2800 North America Northeast Wilmington, MA Tel: 978-658-1663 Southeast Lake Mary, FL Tel: 407-855-8886 Central Novi, MI Tel: 248-994-1030 Irving, TX Tel: 972-915-6041 West Milpitas, CA Tel: 408-433-9950 Mexico Guadalajara, Jalisco Tel: 52-33-3123-2141 Europe Southern Europe Sasso Marconi, Italy Tel: 39-051-939111 Skopje, Macedonia Tel: 389-2-55-14-623 Central Europe Landsberg, Germany Tel: 49-8191-3350800 Kamen, Germany Tel: 49-2307-438110 Northern Europe Wyboston, United Kingdom Tel: 44-1480-273082 Espoo, Finland Tel: 358-9-5406-5000 Asia Northeast Asia Hong Kong Tel: 852-2305-1168 Shenzhen, China Tel: 86-755-2518-1306 Beijing, China Tel: 86-10-5877-1075 Shanghai, China Tel: 86-21-6447-0707 Seoul, South Korea Tel: 82-2-6294-0550 Taipei, Taiwan Tel: 886-2-27528585 Southeast Asia Singapore Tel: 65-6701-8033 Penang, Malaysia Tel: 60-4-6430200 Bangalore, India Tel: 91-806-53-76817 Note: KEMET reserves the right to modify minor details of internal and external construction at any time in the interest of product improvement. KEMET does not assume any responsibility for infringement that might result from the use of KEMET Capacitors in potential circuit designs. KEMET is a registered trademark of KEMET Electronics Corporation.

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com T 2072_T551 • 6/23/2016 Tantalum Through-Hole Capacitors – Hermetically Sealed T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series Disclaimer All product specifi cations, statements, information and data (collectively, the “Information”) in this datasheet are subject to change. The customer is responsible for checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed. All Information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied. Statements of suitability for certain applications are based on KEMET Electronics Corporation’s (“KEMET”) knowledge of typical operating conditions for such applications, but are not intended to constitute – and KEMET specifi cally disclaims – any warranty concerning suitability for a specifi c customer application or use. The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any technical advice inferred from this Information or otherwise provided by KEMET with reference to the use of KEMET’s products is given gratis, and KEMET assumes no obligation or liability for the advice given or results obtained. Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or property damage. Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other measures may not be required.