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Tantalum - Polymer Capacitors

Category Introduction

Tantalum polymer capacitors are a polarized capacitor type distinguished by their use of a conductive polymer anode material, instead of the manganese dioxide traditionally used for other dry tantalum devices. While their cost tends to be higher, they also generally exhibit better electrical performance compared to traditional Ta-MnO2 device construction, along with a more benign failure mode that simplifies application considerations.

Product List

2 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusCapacitanceToleranceVoltage - RatedTypeESR (Equivalent Series Resistance)Operating TemperatureLifetime @ Temp.Mounting TypePackage / CaseSize / DimensionHeight - Seated (Max)Lead SpacingManufacturer Size CodeRatingsFeatures
6TPE330MAP
6TPE330MAP
CAP TANT POLY 330UF 6.3V 2917
Panasonic Electronic Components
 363 $2.25
POSCAP™ TPE Tape & Reel (TR) Active330 µF±20%6.3 VMolded25mOhm @ 100kHz-55°C ~ 105°C2000 Hrs @ 85°CSurface Mount2917 (7343 Metric)0.287" L x 0.169" W (7.30mm x 4.30mm)0.079" (2.00mm)-D2E-General Purpose
16TQC100MYF
16TQC100MYF
CAP TANT POLY 100UF 16V 2917
Panasonic Electronic Components
 254 $3.87
POSCAP™ TQC Tape & Reel (TR) Active100 µF±20%16 VMolded50mOhm @ 100kHz-55°C ~ 105°C2000 Hrs @ 105°CSurface Mount2917 (7343 Metric)0.287" L x 0.169" W (7.30mm x 4.30mm)0.079" (2.00mm)-D2-General Purpose

About Tantalum Polymer Capacitor

What are Tantalum Polymer Capacitor?

Tantalum Polymer Capacitor

Tantalum Polymer Capacitors are advanced electronic components known for their high capacitance, low equivalent series resistance (ESR), and excellent frequency characteristics. They function by storing and releasing electrical energy through a tantalum anode, a conductive polymer cathode, and an electrolyte. The tantalum anode is oxidized to form a dielectric layer, which is crucial for the capacitor's operation. The conductive polymer serves as the cathode, offering superior conductivity and stability compared to traditional electrolytes. This unique construction allows tantalum polymer capacitors to deliver reliable performance in high-frequency applications, making them ideal for modern electronic devices.

Types of Tantalum Polymer Capacitor

Surface-Mount Tantalum Polymer Capacitors

These capacitors are designed for surface-mount technology (SMT) applications, providing compact solutions for high-density circuit boards. They are characterized by their small size, low profile, and ease of installation, making them suitable for portable electronics, smartphones, and wearable devices.

Through-Hole Tantalum Polymer Capacitors

Through-hole tantalum polymer capacitors are used in applications requiring robust mechanical connections. They are typically larger than their surface-mount counterparts and are ideal for industrial equipment and power supplies where durability and reliability are paramount.

High-Temperature Tantalum Polymer Capacitors

These capacitors are engineered to operate in extreme temperature environments, often exceeding 125°C. They are used in automotive and aerospace applications where components must withstand harsh conditions without compromising performance.

How to choose Tantalum Polymer Capacitor?

When selecting a tantalum polymer capacitor, consider the following key parameters:

  • Capacitance: Choose a capacitance value that meets the energy storage requirements of your application.
  • Voltage Rating: Ensure the capacitor can handle the maximum voltage in your circuit to prevent breakdown.
  • Equivalent Series Resistance (ESR): Opt for low ESR values for applications requiring high-frequency performance.
  • Temperature Range: Select capacitors with appropriate temperature ratings for your operating environment.
  • Size and Form Factor: Consider the physical dimensions and mounting style (surface-mount or through-hole) that fit your design.

To evaluate product quality and reliability, review supplier certifications, customer reviews, and test reports. Consider environmental factors such as humidity and vibration, and follow installation guidelines to ensure optimal performance and longevity.

Applications of Tantalum Polymer Capacitor

Consumer Electronics

In consumer electronics, tantalum polymer capacitors are used in smartphones, tablets, and laptops for power management and signal filtering. Their compact size and high capacitance make them ideal for space-constrained designs.

Automotive Industry

These capacitors are employed in automotive electronics for engine control units, infotainment systems, and advanced driver-assistance systems (ADAS). Their ability to withstand high temperatures and vibrations ensures reliability in demanding automotive environments.

Telecommunications

In telecommunications, tantalum polymer capacitors are used in base stations, routers, and network infrastructure for power regulation and noise suppression, ensuring stable and efficient data transmission.

Medical Devices

Medical devices such as pacemakers, defibrillators, and imaging equipment utilize tantalum polymer capacitors for their reliability and long life. They provide stable power delivery and signal integrity, crucial for patient safety and device performance.

Industrial Equipment

In industrial applications, these capacitors are found in power supplies, motor drives, and control systems. Their robust construction and high capacitance support efficient energy management and system stability in harsh industrial environments.