Radial tantalum capacitor

2024-07-12

A radial tantalum capacitor is a type of electrolytic capacitor that uses tantalum metal as its anode material. These capacitors are known for their stability and reliability, particularly in low-voltage applications. Here's a quick overview:

Characteristics:

1. Construction: Radial tantalum capacitors have leads (wires) that extend from the bottom of the capacitor, which is in contrast to axial capacitors where leads extend from both ends.

2. Capacitance Range: They are available in a wide range of capacitances, typically from a few microfarads (uF) to several hundred microfarads. Hongda Capacitors CA42 series offer 0.68uF~1000uF.
3. Voltage Ratings: These capacitors are usually rated for low to moderate voltages, commonly    are 6.3V, 10V, 16V, 25V, 35V, 50V.
4. Polarity: They are polarized, meaning they have a positive and a negative lead that must be connected correctly in a circuit to avoid damage.

5. Temperature Stability: Tantalum capacitors offer good performance over a wide temperature range, often from -55°C to +125°C.

Advantages:

1. High Capacitance per Volume: Tantalum capacitors can offer higher capacitance values in smaller sizes compared to other types.
2. Long Life: They tend to have long operational lifetimes due to their robust construction.
3. Stable Capacitance: Their capacitance remains stable over time and across varying temperatures.
4. Low Leakage Current: They typically have low leakage current compared to other types of capacitors.

Applications:

1. Power Supply Filtering: They are commonly used in power supply circuits to smooth out voltage fluctuations.
2. Timing Applications: Used in timing circuits due to their stable capacitance.
3. Decoupling: Frequently used to decouple or filter noise in various electronic circuits, including in audio and RF applications.
4. Portable Devices: Widely used in smartphones, tablets, and other portable electronic devices due to their small size and reliability.

Considerations:

1. Polarity Sensitivity: Incorrect polarity can lead to failure or even explosion of the capacitor.
2. Surge Current Sensitivity: They can be damaged by high inrush currents; thus, circuit design must accommodate this.
3. Cost: Tantalum capacitors are generally more expensive than other types, such as aluminum electrolytic capacitors.

Hongda Capacitors is professional manufacturer of CA42 Radial Epoxy Dipped Tantalum Capacitor (General Purpose).

HD CA42 series have below features:

1. Epoxy-coated, flame-retardant, radial leads tantalum capacitors Small size, excellent electrical performances, long life
2. Already known applications from our customers: TV sets, Telephones, Instruments, Meters, Computers, Camcorder, Telecommunication.

Details Specifications:

1.Operating Temperature Range: -55 o C ~ +125 o C; >85 o C(with rated voltage derating);
2.DC Leakage at 25 C: I o 0.02CR UR or 1uA (whichever is greater)
3.Capacitance Range: 0.68uF~1000uF
4.Voltage Range: 6.3V, 10V, 16V, 25V, 35V, 50V
5.Capacitance Tolerance: K: +/-10%; M: +/-20% (+/-20% tolerance is standard) Package Type: Bulk Package, Ammo Taped in Box

Hongda Capacitors CA42 Radial Epoxy Dipped Tantalum Capacitor can perfectly cross to AVX TAP series,

Kemet T350 / T390 series, Panasonic ECSF series, NichiconS89 series, Nemco TB PDT series...

Welcome to share your parameters with Hongda Team, we will have engineer team to do pin to pin check for you. Email me at : emily@hongdacap.com.hk or mp/skype/wechat: +86-18576824728