Leading Electronic Components Manufacturer in China

About Tonghua Electronics

Tonghua Electronics specializes in delivering industry-leading electronic products and solutions. With years of expertise in semiconductor technology, we serve global markets with high-reliability components engineered for performance and durability.

Our product portfolio includes diodes, transistors, bridge rectifiers, Zener diodes, MOSFETs, TVS, GaN, SiC, IGBTs, and power ICs. We support a wide range of packages such as SMA, SMB, SMC, SOD-123, SOT-23, DO-41, and DO-15.

15+

Years Experience

50+

Global Clients

Our Products

High-performance semiconductor components designed for reliability, efficiency, and innovation across industries.

Switching Diode

Designed for rapid switching between conducting and non-conducting states using the capacitance effect of the PN junction.

○ Nanosecond reverse recovery time (trr)
○ Low forward voltage drop
○ Ideal for high-frequency switching

High-Frequency

Zener Diode

Operates in reverse breakdown region to maintain stable voltage using the Zener effect.

○ Stable reverse breakdown voltage (Vz)
○ Used with current-limiting resistor
○ Voltage regulation & reference

Voltage Regulator

Schottky Diode

Metal-semiconductor junction diode with ultra-fast switching and low forward voltage.

○ 0.15–0.4V forward drop
○ Picosecond switching speed
○ <200V reverse voltage

Ultra-Fast

Rectifier Diode

Converts AC to DC using unidirectional conductivity of PN junction.

○ High forward current & reverse voltage
○ Microsecond reverse recovery time
○ Optimized for 50/60Hz

Power Rectification

High Efficiency Diode

Balances rectification efficiency and switching speed for medium-frequency applications.

○ Tens of ns to μs recovery time
○ Lower forward voltage drop
○ Cost-effective alternative

Efficient

Fast Recovery Diode

Optimized to reduce reverse recovery time for high-frequency power systems.

○ Hundreds of ns to μs trr
○ Up to kilovolt voltage rating
○ Medium-high frequency circuits

High Voltage

Super Fast Recovery Diode

Approaching Schottky performance with ultra-short recovery time and high reliability.

○ trr: tens of nanoseconds
○ 200–1200V voltage rating
○ High-frequency inverters

Super Fast

Bridge Rectifier

Full-wave rectification module integrating four diodes in a single package.

○ Compact design
○ High ripple current handling
○ Used in AC/DC converters

Full-Wave

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Why Choose Tonghua?

Certified Quality

ISO-certified manufacturing with rigorous testing and compliance standards.

High Efficiency

Optimized components for minimal power loss and maximum performance.

Global Support

Dedicated technical support and logistics across Asia, Europe, and the Americas.

Fast Delivery

Streamlined supply chain ensures rapid fulfillment and on-time delivery.

Frequently Asked Questions

What types of diodes do you manufacture?

We produce switching diodes, Zener diodes, Schottky diodes, rectifier diodes, fast recovery diodes, super fast recovery diodes, and bridge rectifiers.

Do you offer custom packaging?

Yes, we support various standard packages including SMA, SMB, SMC, SOD-123, SOT-23, DO-41, and DO-15, and can accommodate custom requests.

Are your components RoHS compliant?

Yes, all our electronic components meet RoHS and other international environmental and safety standards.

How can I request a sample?

Please visit the official website to contact our sales team for sample requests and technical support.

Contact Tonghua Electronics

For inquiries, samples, or technical support, reach out through our official channels.

Sales Contact

Phone: +86-189 4833 9155

Email: [email protected]

Address: Qishengda Park, Dishan South Road, Longgang, Shenzhen, Guangdong, China

Contact Person: Jimmy Chu

Visit Official Website

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Tonghua Electronics