Topdiode
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Topdiode
Topdiode Manufacturing Company – A trusted Chinese manufacturer of discrete semiconductors and capacitors since 1996. ISO 9001 & ISO 14001 certified. Serving global markets in consumer electronics, industrial, computing, and communications.
Topdiode Manufacturing Company is a leading manufacturer and supplier of a wide range of discrete components and capacitors in China. Since 1996, we have been committed to delivering high-quality electronic components trusted by industries worldwide.
Our product portfolio includes Rectifier Diodes, Schottky Diodes, Zener Diodes, TVS Diodes, Bridge Rectifiers, Transistors, IGBTs, MOSFETs, and ICs, along with a comprehensive range of capacitors such as Tantalum, Film, Ceramic, and Electrolytic types.
CA42 Radial, CA45 SMD, TCS/TCK series. High reliability, low ESR, ideal for power supplies and medical devices.
CL21, CBB81, CL19/20, CBB60. High insulation resistance, low dielectric loss, excellent stability.
CT4 multilayer ceramic capacitors. High volumetric efficiency, stable performance, SMD packaging.
TCS (85°C), TCK (105°C). Compact size, high capacitance, long life for modern electronics.
Low forward voltage, fast switching. Ideal for power rectification and DC-DC converters.
Standard recovery diodes for AC/DC conversion. High surge current capability and reliability.
Precision voltage regulation. Stable breakdown voltage for reference and protection circuits.
Transient voltage suppression for ESD and surge protection. Fast response, high reliability.
MB10S, KBP, GBU, KBJ series. Full-wave rectification in compact SMD and through-hole packages.
BC846-850, BC817-858 series. Small signal NPN/PNP transistors for amplification and switching.
High-efficiency power transistors for motor drives, inverters, and power supplies.
Specialized ICs for smart meters, power management, and signal conditioning.
Our facilities are certified to ISO 9001:2008 and ISO 14001:2004 standards, ensuring consistent quality and environmental responsibility.
Serving customers in North America, Europe, Asia, and beyond through a network of authorized distributors and direct sales.
65+ professional engineers dedicated to product development, testing, and customization for unique applications.
We comply with global regulations and provide a Declaration of Metal Conflict-Free materials in our supply chain.
With a production capacity of over 6 billion units annually, we ensure reliable supply and fast lead times.
Our engineering team provides datasheets, cross-reference guides, application notes, and direct support.
Voltage derating (typically 50%) is essential for tantalum capacitors to prevent thermal runaway and ensure long-term reliability, especially in high-temperature environments.
Class X capacitors are used across the line (line-to-line) and suppress differential-mode noise. Class Y capacitors are used from line to ground and suppress common-mode noise. Both are designed for fail-safe operation in AC mains applications.
Schottky diodes have a lower forward voltage drop (0.2–0.5V), faster switching speed, and higher efficiency, making them ideal for high-frequency power supplies and DC-DC converters.
Yes, Topdiode provides second-source alternatives for many common components to ensure supply chain resilience and design flexibility.
Design and manufacturing facilities are in Hunan Province and JiNan, Shandong Province, China. Sales and warehouse operations are based in Dongguan, Guangdong Province.
For inquiries, technical support, or partnership opportunities, visit the official Topdiode website to contact the team directly.
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