Your Professional Tantalum Capacitor Supplier
 

Based in Shenzhen of China, the hub of Asian electronics, Shenzhen Be-Top Electronics Co., Ltd (known as BEC) has been dedicated itself to electronics industry since its establishment in 1998. The tantalum capacitor we deal with include solid, wet and polymer tantalum capacitors with SMD type, radial type and axial type, which are widely used for both industry and military applications. Another main product line is chip capacitor (chip MLCC). Together with tantalum capacitor, chip capacitor is more and more used in automotive industry and AI fields.

 

 
  • CA45 SMD Tantalum Capacitor
    A CA45 SMD tantalum capacitor produced by BEC is designed specifically for today's highly automated surface mount processes and equipment, is the leading choice for surface mount designs. It's
  • CA45L Low ESR SMD Tantalum Capacitor
    A CA45L low ESR (Equivalent Series Resistance) SMD tantalum capacitor produced by BEC is a compact electronic component which can provide stable energy storage with possible minimal internal
  • CA55 Conductive Polymer SMD Tantalum Capacitor
    A CA55 conductive polymer SMD tantalum capacitor produced by BEC is a high-performance electronic component which uses a sintered tantalum anode and a highly conductive polymer as the cathode. At the
  • CA42 Dipped Tantalum Capacitor
    A CA42 dipped tantalum capacitor produced by BEC is a reliable, through-hole electrolytic capacitor by using tantalum metal for high volumetric efficiency. It is featured for stable performance, low
 
Why Choose Us

Quality Assurance

As a professional chain manufacturer, we provide 100% quality assurance for customers worldwide. Every industrial chain and motorcycle chain undergoes strict quality inspection and performance testing before delivery.

 

Global Production Market

Our high-quality chain products are exported to Europe, North America, Southeast Asia, and many other international markets. With competitive pricing, fast response times, and professional customer service, we have established long-term partnerships with global customers.

Excellent Customer Service

We are committed to providing professional pre-sales, in-sales, and after-sales support for every customer. Our experienced team offers technical consultation, fast communication, and efficient logistics services to ensure a smooth cooperation process.

 

Industry Application Solutions

Our chain products are widely used in motorcycle aftermarket, automotive systems, communication equipment, home appliances, medical devices, and industrial transmission systems. We continuously optimize our products to meet the specific requirements of different industries and operating conditions.

 

Types of Tantalum Capacitor

Solid Tantalum Capacitors

These are the most common type. Inside, the tantalum anode is coated with a solid material, usually manganese dioxide or a conductive polymer, that acts as the electrolyte.Solid tantalum capacitors are known for their stability, long lifespan, and compact size, which is why they’re widely used in consumer electronics, computers, and communication equipment.

Wet Tantalum Capacitors

Wet types use a liquid electrolyte instead of a solid one. They can handle higher voltages and wider temperature ranges, making them ideal for aerospace, military, and industrial applications.They’re often chosen when reliability and endurance are more important than size.

Polymer Tantalum Capacitors

This newer generation replaces the traditional manganese dioxide with a conductive polymer. The result is lower equivalent series resistance (ESR), which improves efficiency and allows faster charge and discharge.

 

Basic Parameters

 

Product Category

CA55 Conductive Polymer SMD tantalum capacitor

Capacitance Range

0.22UF~1000UF

Voltage Range

2.5V~63V

Working Temperature

-55℃~125℃

Tolerance

±10%, ±20%

Certificate

RoHS, REACH

Applications

Automotive industry, portable electronics, medical devices, telecommunications, aerospace industry, security sectors.

 

Advantages of Tantalum Capacitor

 

 
 

High volumetric efficiency

Very high capacitance per unit volume—ideal for miniaturization.

 
 

Excellent stability

Capacitance and electrical parameters remain stable over time and temperature.

 
 

High reliability

With proper derating, they offer long service life.

 
 

Wide temperature range

Operable from −55 °C to +105 °C/+125 °C.

 
 

Good frequency characteristics

Relatively low ESR and ESL compared to aluminum electrolytic capacitors.

 
 

No drying out

Unlike aluminum electrolytics with liquid electrolytes, solid tantalum capacitors do not dry out.

 
 

Consistent quality

Strict process controls ensure consistently high product quality.

 
 

Innovation

Ongoing development of capacitors with improved ESR and temperature resistance.

 

Process of Tantalum Capacitor

Forming

Sintering

Volume test

Frame assembly

Energizing

PTFE coating

Film

Graphite silver paste

Film dispensing and curing

Spot welding

Molding curing

Rib cutting

Sand blasting

Electroplating

Marking

Edge trimming

Leakage prediction

Aging→testing

Inspection

Taping

Warehousing

 

Key Applications of Tantalum Capacitor
 
CA42 Dipped Tantalum Capacitor

Consumer Electronics
Tantalum capacitors are used in smartphones
, tablets, and laptops to smooth out power flow and reduce noise in circuits. Their small size and consistent performance make them perfect for compact, high-density boards.

 

Medical Devices
In medical electronics such as pacemakers, hearing aids, and monitoring systems, safety and dependability are crucial. The long lifespan and stable operation of tantalum capacitors help ensure uninterrupted performance in life-supporting technologies.

 

Aerospace and Defense
Aircraft, satellites, and military systems use tantalum capacitors for their high vibration resistance and long-term reliability. They can handle extreme temperature changes and harsh conditions where failure is not an option.

Automotive Electronics
Modern vehicles rely on complex electronic systems for everything from engine control to safety sensors. Tantalum capacitors support stable voltage regulation and reliable energy storage, even under the heat and vibration of daily driving.

 

Telecommunications and Networking
In communication infrastructure — from 5G base stations to routers — tantalum capacitors help maintain signal stability and power efficiency, supporting faster and more reliable data transmission.

 

Industrial and Power Systems
Control boards, automation systems, and power supplies use tantalum capacitors to ensure smooth energy delivery and noise filtering, helping equipment run efficiently and safely.

CA45L Low ESR SMD Tantalum Capacitor

 

 

FAQ

 

Q: Why are tantalum capacitors better?

A: Tantalum capacitors are used mainly due to their highest capacitance/ volume, good stability, and superior frequency characteristics.

Q: How long do tantalum capacitors last?

A: Tantalum capacitors use a dry electrolyte that should last for a century. Electrolytic capacitors use a wet electrolyte that will dry out over time and need replacement.

Q: Do tantalum capacitors fail short?

A: High current spikes caused by power supply transients might result in short-circuit failures of tantalum capacitors and cause catastrophic consequences for electronic systems, including igniting the system.

Q: How to tell if a capacitor is tantalum?

A: Look for Tantalum Capacitor Markings: Markings such as capacitance value (in microfarads), voltage rating, and tolerance can usually be found printed on the capacitor. These are crucial for determining whether the component is a tantalum capacitor.

Q: What is the most common capacitor failure?

A: Wear and tear over time at the extremes of a capacitor's operating limits can degrade a capacitor and even cause early failure. The leading cause of capacitor failures is a breakdown in the dielectric, which can be degraded by the issues mentioned above, and typically, dielectric degradation is just a matter of time.

As one of the leading tantalum capacitor manufacturers and suppliers in China, we warmly welcome you to buy high quality tantalum capacitor in stock here from our factory. If you have any enquiry about quotation, please feel free to email us.

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