HIGH-PURITY CAPACITOR-GRADE METALLIC TANTALUM POWDER | LOW LEAKAGE CURRENT & HIGH STABILITY RAW MATERIAL | WHOLESALE READY STOCK

Basic Properties
Place of Origin: china
Brand Name: zhuzhourunfeng
Model Number: Full range of specifications
Trading Properties
Minimum Order Quantity: 1KG
Price: POA
Payment Terms: L/C,Western Union,T/T
Supply Ability: Monthly Supply: 200 kg
Specifications
High Light:

high-purity capacitor-grade tantalum powder

,

low leakage current tantalum material

,

wholesale stable tantalum raw material

Product Description
🛠️ 1. Product Overview

Our high-purity capacitor-grade metallic tantalum powder is refined using advanced sodium reduction or electrolytic processes. As the core raw material for manufacturing solid tantalum electrolytic capacitors, this product features extremely high chemical purity, an optimal powder micro-pore structure, and ultra-low gas impurity content.

Through rigorous control over metallic impurities (such as Fe, Ni, Cr, and alkali metals) and interstitial elements (O, N, H), this tantalum powder base significantly reduces the defect density of the anodic oxide film. Tantalum capacitors manufactured from this powder exhibit ultra-low leakage current, exceptionally low Equivalent Series Resistance (ESR), and outstanding high-temperature stability even under extreme operating conditions. It is widely applied in smartphones, automotive electronics, 5G communication base stations, aerospace avionics, and high-reliability electronic instruments.

📊 2. Technical Specifications
产品牌号
Brand
规格粒度
Particle
size
化学成分(%)Chemical Composition
Ta O H N C Fe Nb
RFTa-325 -325目 99.95 0.07 0.003 0.005 0.005 0.003 0.003
🌟 3. Core Product Advantages
  • Ultra-Low Leakage Current Control for Core Circuit Safety: We utilize proprietary deep degassing and refining technologies to keep core impurities that cause dielectric film breakdown (such as Fe, C, and O) strictly at the ppm level. The resulting tantalum cores possess exceptional dielectric strength, maintaining ultra-low and non-drifting leakage currents even under high voltage and long-term operating conditions.
  • High CV (Capacitance-Voltage) & Uniform Pore Distribution for Component Miniaturization: The powder features a complex dendritic or agglomerated porous microstructure, providing a massive effective surface area. After being sintered into anodes, the interconnected micro-pores remain open, ensuring perfect penetration of liquid or solid electrolytes (e.g., MnO₂ or conductive polymers), which significantly boosts capacitance per unit volume.
  • Superior Physical Formability (Flowability & Green Strength): Scientifically granulated, our tantalum powder exhibits excellent automatic filling and pressing properties. During high-speed automatic capacitor tablet pressing, it prevents mold sticking and layer separation. The pressed green compacts feature neat edges and high mechanical strength.
  • High Batch Consistency for Wholesale Direct Supply: As a direct source manufacturer utilizing fully automated continuous production lines, we strictly monitor the physical morphology and electrical reproducibility of every batch. Every shipment is accompanied by our original factory ICP-MS test reports and particle size sieving reports.
🚀 4. Typical Applications
  • High-End Chip Tantalum Capacitors: Ideal for motherboard filtering and energy storage components in 5G smartphones, servers, and premium audio equipment.
  • Automotive Electronics: Meets AEC-Q200 standards for manufacturing high-temperature resistant capacitors used in Engine Control Units (ECU) and Advanced Driver Assistance Systems (ADAS).
📦 5. Professional Packaging & Warehousing Logistics
  • Moisture & Anti-Static Packaging: Available in 1kg or 5kg specifications. The powder is vacuum-sealed in double-layer anti-static composite high-purity aluminum foil bags. Bulk orders are additionally packed in nitrogen-filled steel drums for multi-layer airtight protection, ensuring absolutely no moisture absorption or localized oxidation during ocean or air freight.
  • Storage Guidelines: Must be stored in a dedicated electronic materials warehouse that is dry, cool, and well-ventilated, with strict fire and anti-static precautions. After opening, the powder should be promptly transferred to a cleanroom with relative humidity below 40% for production.
  • Logistics & Shipping: We maintain ready stock of various CV-value models in our factory for rapid dispatch. We support international sea/air freight and provide efficient customs clearance services.
✅ Conclusion

This High-Purity Capacitor-Grade Metallic Tantalum Powder can fundamentally reduce your tantalum capacitor defect rate and pin-breakage rate, while significantly improving dielectric breakdown voltage metrics. It is your ideal supply chain partner for manufacturing premium, low-loss electronic components.