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topdiode semiconductors
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topdiode semiconductors
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Delivering Reliable and Cost - Effective Top Performance

■ Solar Energy, Power Market, 5G.
■ Industrial,Automotive,Consumer Electronics

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About Topdiode

Topdiode is a reputable high-technology enterprise specializing in designing, producing, and marketing semiconductor power devices and integrated circuits (ICs).

Our wide range of products, include SiC MOSFETs, IGBTs, transistors, drive ICs, and audio ICs, which are used in various industries such as automotive, solar energy, 5G telecommunications, industrial electronics, white goods, lighting, security, and consumer electronics.

Topdiode has competitive prices and shorter lead times compared to other US and Japanese IC brands. Topdiode services are designed to meet the needs of customers seeking cost savings with faster project timelines.

Why Topdiode

Investment in R&D

Topdiode’s commitment to continuous improvement is reflected in our increased investment in research and development. This approach helps us stay competitive and aligned with the ever-evolving market trends.


Professional Team

Topdiode boasts a professional engineering and marketing team. Their research and development department comprise of technical experts from Taiwan, Silicon Valley U.S.A, and mainland China. This diverse team has contributed to Topdiode securing 15 patents in the semiconductor field, highlighting their commitment to innovation.

Alternative Solutions

Topdiode’s sales team is well-trained to assist companies in finding alternative semiconductor solutions to replace products from other well-known manufacturers like Infineon, AOS, Microchip, Texas Instruments (TI), ON Semiconductor, and TRINNO. This flexibility in offering alternative devices can be valuable for customers seeking cost-effective or more readily available components.

Product Range

Topdiode offers a diverse portfolio of semiconductor products for MOSFET, IGBT, IC,and Transistors, which can be used in a variety of applications. This range allows customers to find suitable components for their specific needs.


Featured Products


TOPDIODE TPDG5S65C1P is an ultrahigh performance power Schottky diode designed for high frequency applications where high efficiency and high reliability are required.


TOPDIODE TPG2136 is a high voltage, high speed power MOSFET and IGBT drivers with three independent high and low side referenced output channels for 3- phase applications.


Topdiode IGBT Transistors TP10TD60B is a IGBT with soft and fast recovery diode with TO220 package (TO-220FP),customer also called it PowerMESH IGBTs; Topdiode IGBT Transistors TP10TD60B has outstanding performance in LIGHT DIMMER and STATIC RELAYS.


TOPDIODE TPMW280N120C1P is a power MOSFET transistor manufactured by TOPDIODE.
It is designed to handle high power applications. The MOSFET has a low on-resistance, making it ideal for use in power supply circuits, motor drives, and other high current applications.


TOPDIODE TPA20957 is a Protected Digital Audio Amplifier IC.
It is a high Voltage, high performance Class D audio amplifier driver with PWM modulator and protection in a 16-Lead SOIC Narrow Package.


BC8456DE-BC8458DB Complementary NPN/PNP Silicon Epitaxial Planar Transistor

Alternative Solution by Topdiode Professional Engineers

Topdiode’s skilled engineers excel in offering alternative semiconductor solutions, effectively substituting products from leading manufacturers such as Infineon, AOS, Microchip, Texas Instruments (TI), ON Semiconductor. This adaptability ensures cost-effectiveness and availability.

Moreover, our engineers conduct assessments that encompass applications, end products, original brands, and more, ensuring comprehensive evaluations.


Frequently Asked Questions

Can we become a Topdiode distributor or sales rep?

Yes, we look for distributors and sales rep in some area, please contact sales director at sales@topdiode.com

Can you provide alternative proposal base on customer Part Number?

Yes we have engineering team to do pin to pin cross base on customer Part Number.

Do you have stock?

Yes we have stock for some regular items or high runner items. If you need stock, pls check with our sales case by case.

What are Features of Audio Amplifier IC?

1. High power output: It can provide sufficient power to drive speakers and produce loud sound.

2. Low distortion: The IC ensures minimal distortion in the amplified audio signal, resulting in high-quality sound reproduction.

3. Wide frequency response: It is capable of amplifying a wide range of frequencies, allowing for accurate reproduction of different types of audio signals.

4. Small size and compact design: Audio amplifier ICs are often designed to be small and space-efficient, making them suitable for various applications where size is a constraint.

5. Efficient power consumption: These ICs are designed to consume less power while delivering optimal performance, making them energy-efficient.

6. Built-in protection mechanisms: Many audio amplifier ICs come with built-in protection circuits that safeguard against overvoltage, overheating, short circuits, etc., ensuring the longevity and reliability of the device.

What are Applications of IGBT?

1. Power electronics: IGBTs are commonly used in power electronics devices such as power supplies, motor controllers, and solar inverters.

2. Renewable energy: IGBTs are used in wind turbines and solar panels to convert DC power to AC power.

3. Traction applications: IGBTs are used in electric vehicles and trains to control the power flow and convert DC power to AC power.

4. Industrial automation: IGBTs are used in industrial automation equipment such as conveyor systems, robotics, and CNC machines.

5. Home appliances: IGBTs are used in various home appliances such as refrigerators, washing machines, and air conditioners.

6. Telecommunications: IGBTs are used in telecommunication equipment such as power amplifiers and base stations.

7. Medical equipment: IGBTs are used in medical equipment such as X-ray machines and surgical lasers.

8. Transportation: IGBTs are used in

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  • We are discussing many products and after talking to lots of customers. And we find out when it comes to Topdiode products, end customer is comfortable to place order directly & without testing.

    Our India distributor VXXX
    Our India distributor
  • One of the things I appreciate most about Topdiode is their customer service. Their team is always responsive to my inquiries, and they go the extra mile to help me find the right products for my needs. They are also very knowledgeable about their products, and they are aways happy to answer any questions I have.

    EXXXX Electronics
    Our UK customer
    EXXXX Electronics
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