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CAS Number: | 7440-25-7 |
Linear Formula: | Ta, Ta-W, Ta-Nb |
Purity: | 99.9%, 99.99%, 99.999% |
Standard: | ASTM B365 |
Condition: | Hot rolled, Cold drawn, Annealed |
Surface: | Black, Pickled, Polished (Dia. >1mm) |
Size: | ≥0.06mm |
MOQ: | 1kg |
Material Grades: | R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both R05400, unalloyed tantalum, powder-metallurgy consolidation. R05255, tantalum alloy, 90 % tantalum, 10% tungsten, electron-beam furnace of vacuum-arc melt, or both. R05252, tantalum alloy, 97.5 % tantalum, 2.5% tungsten, electron-beam furnace or vacuum-arc melt, or both. R05240, tantalum alloy, 60 % tantalum, 40% niobium, electron-beam furnace or vacuum-arc melt. |
Tantalum Capacitor Wire Description
Tantalum capacitors are a type of electric device that uses a metal called tantalum as its anode. The wire used in tantalum capacitors connects the anode terminal to the external circuitry.
The wire used in tantalum capacitors is usually made of conductive metal like copper or silver. It is usually covered with a thin layer of solder or another material that helps connect wires. The diameter of the wire depends on the capacitor's size and current-carrying capacity.
Tantalum wire is chosen carefully to make sure it has good electrical conductivity, low resistance, and good mechanical strength. It's important for the wire to have good strength because tantalum capacitors are often used in things that require a lot of force, like small electronic devices.
Also, the wire used in tantalum capacitors is designed to have low self-inductance and low parasitic capacitance to prevent unwanted electrical effects. This is important for making sure the capacitor works well and stays stable.
It's important to note that the wire used in tantalum capacitors is usually hidden inside the capacitor. The external connections are usually made through terminal leads or surface mount contacts.
The wire used in tantalum capacitors is important for making good electrical connections between the capacitor and the external circuitry.
Chemical Composition
Element | C | O | N | H | Fe | Mo | Nb | Ni | Si | Ti | W |
R05200 | 0.01 | 0.015 | 0.01 | 0.0015 | 0.01 | 0.02 | 0.1 | 0.01 | 0.005 | 0.01 | 0.05 |
R05400 | 0.01 | 0.03 | 0.01 | 0.0015 | 0.01 | 0.02 | 0.1 | 0.01 | 0.005 | 0.01 | 0.05 |
R05255 | 0.01 | 0.015 | 0.01 | 0.0015 | 0.01 | 0.02 | 0.1 | 0.01 | 0.005 | 0.01 | 9.0–11.0 |
R05252 | 0.01 | 0.015 | 0.01 | 0.0015 | 0.01 | 0.02 | 0.5 | 0.01 | 0.005 | 0.01 | 2.0–3.5 |
R05240 | 0.01 | 0.02 | 0.01 | 0.0015 | 0.01 | 0.02 | 35.0–42.0 | 0.01 | 0.005 | 0.01 | 0.05 |
Diameters and Tolerances：
Diameter (mm) | Tolerance (mm) |
0.06 0.10 0.11 0.15 | ±0.005 |
0.17 0.19 0.20 0.24 0.25 0.29 0.30 | ±0.006 |
0.33 0.34 0.35 0.38 0.40 0.47 0.50 | ±0.007 |
0.60 0.80 and above | ±0.01 |
Mechanical Properties
State | Tensile strength(MPa) | Elongation(%) |
Mild (M) | 300-750 | 10-30 |
Semi-hard(Y2) | 750-1250 | 1-6 |
Hard(Y) | >1250 | 1-5 |
Antioxidant Brittleness Number of Bending:
Grade | Diameter (mm) | Bending Times |
R05200 | 0.10~0.40 | 3 |
>0.40 | 4 | |
R05400 | 0.10~0.40 | 4 |
>0.40 | 6 |
Electrical Properties
LC | ≤0.10µA/cm2 |
Formation liquid | 0.1% H3PO4 |
Formation temperature | 90±2 |
Density of the Current | 5mA/cm2 |
Formation voltage/time | 225V/30min |
Tantalum Capacitor Wire Applications and Related Industries
Tantalum capacitors are used in many different places where they need to work well and be reliable. Some important industries and applications that use tantalum capacitors and their wire connections are:
Electronics and Consumer Electronics: Tantalum capacitors are found in electronic devices like smartphones, laptops, tablets, gaming consoles, televisions, and audio equipment. They are small, have high capacitance values, and work well in small electronic devices.
Automotive Electronics: Tantalum capacitors are used in car electronics like engine control units (ECUs), infotainment systems, advanced driver-assistance systems (ADAS), and different sensor circuits. They can withstand high temperatures and work well in harsh environments.
Aerospace and Defense: Tantalum capacitors are used in aerospace and defense applications. They have a lot of power per volume, can handle high temperatures, and are very reliable, which is important for places like aerospace and defense.
Industrial Equipment: Tantalum capacitors are used in industrial equipment, like power supplies, motor control circuits, and instrumentation. They are stable over a wide temperature range, ensuring reliable operation in industrial environments.
Medical Devices: Tantalum capacitors are used in medical devices like pacemakers, defibrillators, patient monitoring systems, and devices that can be implanted. They are durable, small, and have high electrical resistance, which makes them good for medical use.
Telecommunications: Tantalum capacitors are used in telecommunications equipment, such as base stations and network switches. They have a lot of resistance and work well for filtering power and connecting signals.
Renewable Energy: Solar inverters and wind turbine generators use tantalum capacitors for renewable energy. They are energy efficient, have a high ripple current capacity, and are reliable for a long time.
These are just a few examples where tantalum capacitors and their wire connections are used. Tantalum capacitors are good for applications that need high performance, reliability and miniaturization.
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