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Tantalum - Polymer Capacitors

Polymer capacitors, also called polymer electrolytic capacitors, are a sort of electrolytic capacitor. A capacitor is a two-terminal electrical device that is capable of storing current, somehow like a battery. Polymer capacitors contain conductive polymer as their electrolyte substance, which is embedded in a layered aluminum design. These capacitors integrate distinguishing features from the polymer material in terms of potential conductivity, widened temperature range, and mitigate the risk of drying out at all; capacitors must offer potential capacitance capability and an extremely low equivalent series resistance with high ripple voltage capability and provide extended operating life. A conductive polymer is used in place of a liquid electrolyte as one of the properties of polymer capacitors, which come in a variety of packaging configurations ranging from 2.2 to 470 microfarads. Capacitors may also be referred to as wet, indicating they have a liquid or solid electrolyte, depending on the kind of electrolyte. Solid electrolytes, which often relate to tantalum or polymer-based capacitors, may be hybridized with aluminum.

Why Do Tantalum Capacitors Explode?

In particular, when there is a voltage spike or when the voltage applied to them exceeds their rated voltage, tantalums do detonate. They are highly susceptible to voltage surges and cannot withstand these conditions without exploding

Typical Applications

Aluminum polymer capacitors provide several benefits for electronic applications due to their structure. This technology is very intriguing for many applications that permit a large ripple current because of its low ESR, low ESL values, and high anticipated lifetime. Polymer capacitors are used in a wide range of applications, including:

  • Power supplies
  • Computer motherboard
  • Domestic appliances
  • Coupling or blocks
  • Smoothing
  • Decoupling or bypass
  • Noise filtering

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T530Y337M006ATE006, KEMET
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T521X337M016ATE050, KEMET

T521X337M016ATE050, KEMET

CAP TANT POLY 330UF 16V 2917
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TCQU476M035R0070E, KYOCERA AVX

TCQU476M035R0070E, KYOCERA AVX

AVX’s TCQ low ESR conductive polymer capacitors series with components developed to deliver high endurance & performance stability to address the reliability requirements of automotive applications. Conductive polymer electrode Benign failure mode under recommended use conditions Robust design for automotive applications Humidity 85°C/85%RH, Vr, 1000 hours Basic reliability 1%/1000hrs@85°C Vr with 60% confidence level -55 to +125°C operation temperature Full voltage range: 4-50V DCL 0.1 CV 3x reflow 260°C compatible Applications DC/DC converters Telecommunications (Coupling/Decoupling) Industrial & Special Automotive (Body Electronics, Cabin Controls, Infotainment, Comfort, After Market, Etc)
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T520V337M2R5ATE009, KEMET

T520V337M2R5ATE009, KEMET

CAP TANT POLY 330UF 2.5V 2917
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T520B476M006ATE025, KEMET

T520B476M006ATE025, KEMET

CAP TANT POLY 47UF 6.3V 3528
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T521D476M025ATE065, KEMET

T521D476M025ATE065, KEMET

CAP TANT POLY 47UF 25V 50MOHM
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T520A226M006ATE090, KEMET

T520A226M006ATE090, KEMET

CAP TANT POLY 22UF 6.3V 1206
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T521X476M035ATE030, KEMET

T521X476M035ATE030, KEMET

CAP TANTALUM 47UF 35V 2917
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T521D336M025ATE040, KEMET

T521D336M025ATE040, KEMET

CAP TANT POLY 33UF 25V 7343
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TCJE476M035R0055, KYOCERA AVX

TCJE476M035R0055, KYOCERA AVX

AVX offers a broad range of conductive polymer solid electrolytic capacitors, targeting general and specific market requirements. Typical features like high capacitance in small and low profile, low ESR, stability of performance in time, benign failure mode under recommended use conditions, make them a good choice in applications like smartphones, tablets, PCs, telecommunication, SSD and also industrial, automotive, defense and aerospace.They are the first to market with several new polymer technologies such as the highest voltage in the industry, over 100Vr (Elektra award 2010), smallest case size 0603, 0805, highest reliability polymer in hermetically sealed package with 10 000 hrs life (Elektra award 2015) and highest energy density Joules / cc.AVX polymers are available in a wide variety of technologies like low profile, high CV, high energy, low ESR in both J-lead and facedown (undertab) designs in product series targeting commercial, industrial, aerospace and automotive (AEC-Q200) requirements.AVX has an open and progressive policy on ethical supply and is first to be in compliance with OECD guidelines and legislation on conflict materials. Their polymer capacitors are environmentally friendly, lead-free, halogen free and RoHS compliant. Conductive polymer electrode Benign failure mode under recommended use conditions Lower ESR 3x reflow 260°C compatible AVX surface mount polymer capacitor series TCJ offers the industry highest rated Voltage polymers up to 125°C that are applicable for up to 100V applications. Exhibiting low ESR, these capacitors are for general use in commercial, industrial , networking and other applications. The series offers a wide range of capacitance with industry standard J-lead terminations, maximum operating temperature up to +125°C. Polymer capacitors standard derating rules are 10% for low voltage products, 20% for high voltage ones. Lead-free, halogen free compound, RoHS compliant components.
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T599B476M004ATE090, KEMET

T599B476M004ATE090, KEMET

KOCAP TANTALUM POLYMER AUTOMOTIV
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T527I476M010ATE200, KEMET

T527I476M010ATE200, KEMET

CAP TANT POLY 47UF 10V 1206
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T598B107M006ATE070, KEMET

T598B107M006ATE070, KEMET

CAP TANTALUM POLYMER AUTOMOTIVE
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