SMD Capacitors MLCC CL21B393KBCWPNC: 0.039µF 50V X7R ±10% for Power Supply Decoupling
The MLCC CL21B393KBCWPNC is a professional-grade SMD Capacitors engineered by Samsung Electro-Mechanics. This MLCC capacitor has a capacitance of 0.039µF, a voltage rating of 50V, X7R dielectric, and ±10% tolerance. This component is fully RoHS compliant and optimized for global supply chains.
Why Choose This Part? Unlike generic ±20% tolerance capacitors, this ±10% device provides tighter capacitance stability, improving circuit accuracy by 2x. As a trusted electronic components supplier, we ensure every part is a genuine part with full traceability. Our BOM kitting service helps you consolidate your entire BOM from a single source, saving time and cost.
✔ RoHS Compliant / ✔ Package: SMD / ✔ Authentic Samsung Electro-Mechanics Quality / ✔ Shipping from Shenzhen / ✔ Worldwide Delivery
Typical Applications & Hardware Integration
- Power supply decoupling: The 0.039µF capacitance effectively filters high-frequency noise, and the 50V rating ensures reliability in typical supply rails..
- Signal conditioning: The ±10% tolerance provides accurate coupling or bypassing in analog signal paths, minimizing distortion..
- Sensor interface: The X7R dielectric maintains capacitance stability with temperature, crucial for consistent sensor readings..
Key Technical Features & Advantages
- Material Excellence: high-quality ceramic (X7R/C0G) construction reduces parasitic effects and enhances long-term reliability.
- Power Efficiency: Low power dissipation (1/16W typical) makes it ideal for battery‑powered and energy‑sensitive applications.
- Stable Capacitance: 0.039µF capacitance with ±10% tolerance ensures consistent filtering and decoupling.
Frequently Asked Questions
- Q: What makes MLCC CL21B393KBCWPNC different from a standard SMD Capacitors?
A: This part differs from standard MLCCs due to its X7R dielectric, which offers stable capacitance over a wide temperature range (-55°C to +125°C) with minimal variation. - Q: Do you support small quantities or samples?
A: Yes, we support small orders, samples, and prototype quantities. No MOQ barriers. - Q: Are these parts genuine and brand new?
A: All parts we provide are 100% brand new, genuine parts, and fully traceable. We stand behind the quality of every component we ship. - Q: What is the typical lead time for this part?
A: In-stock items ship within 1-3 days from our warehouse in Shenzhen; international delivery 5-10 days via express couriers worldwide.
Cross Reference & Global B2B Sourcing
While MLCC CL21B393KBCWPNC represents top-tier quality, we offer comprehensive cross-references and compatible alternatives. Our BOM kitting service with volume pricing and fast shipping from Shenzhen ensures you receive genuine parts quickly. We are a trusted supplier for global electronics manufacturers.
✔ Spec verified on 2026-05-29 / Official Samsung Electro-Mechanics documentation.
SZYY (Shenzhen Yuanyue Electronic Technology Co., Ltd.) is an independent electronic components distributor and supplier based in Shenzhen, China. We specialize in BOM kitting and global component supply, offering genuine parts with full traceability. Our warehouse in Shenzhen ensures fast shipping from Shenzhen to worldwide destinations. We also provide PCBA coordination services through our trusted EMS partners — helping you achieve a true one-stop experience from BOM to finished PCBA.
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