The following is a classification of diode brand manufacturers, divided according to international and domestic brands, with detailed explanations based on technical fields and market positioning:
1、 International brand
Onsemi (ON Semiconductor)
A well-known semiconductor company in the United States, with products covering rectifier diodes, Schottky diodes, TVS diodes, etc., widely used in fields such as automotive electronics and industrial control. Occupying an important market share in the field of high-voltage and low leakage diodes.
NXP (Nexperia, NXP)
The Dutch semiconductor giant focuses on high reliability diodes and transistors, with its LL34/LL41 glass sealed diodes widely used in the automotive and consumer electronics fields, ranking among the top in global market share.
Vishay (Vishay Technology)
An old American component manufacturer with a product line covering rectifier diodes, fast recovery diodes, TVS protection devices, etc., known for its high voltage resistance and low leakage characteristics, it is an important supplier in the fields of medical equipment and industrial power supplies.
SEMITEC (Ishizuka Electronics, Japan)
Focusing on constant current diodes and temperature sensors, its S series constant current diodes feature ultra-high voltage resistance (100V) and small size (similar to the 1206 package), and are widely used in automotive electronics and LED lighting.
Nolatech (Russia)
Our main business is fiber coupled laser diodes, with a wavelength coverage of 800850nm and an output power of 0.040.15W, suitable for medical equipment and communication fields.
2、 Domestic brands
East China region
Zhengbang Electronics (Zhejiang)
The domestic hidden champion of power semiconductors, focusing on diode and thyristor chips, with product technical indicators reaching the advanced level in China, widely used in industrial fields such as frequency converters and power stabilizers.
Suzhou Gude Electronics (Jiangsu)
The main manufacturer of TVS diodes and low leakage voltage regulators worldwide, with a high proportion of product exports and outstanding performance in the automotive and consumer electronics markets.
Rugao Dachang Electronics (Jiangsu)
A veteran diode manufacturer with an annual production capacity of over 1.5 billion units, specializing in axial rectifier diodes and Schottky diodes. Its customers include well-known companies such as LG and Konka.
Kunshan Sanders Electronics (Jiangsu)
Belonging to the Taifeng Group in Hong Kong, our products include fast recovery diodes and Schottky diodes, with a monthly production capacity of 2 billion pieces, focusing on high cost-effectiveness.
South China region
HVC (Hewes)
Focusing on domestic substitution of high-voltage diodes, our product performance is benchmarked against HVCA in the United States, covering the 640kV high-voltage field and applied in X-ray machines and medical equipment, with significantly better cost-effectiveness than imports.
Shenzhen Taishengda Technology
Our main products are ESD protection diodes and TVS diodes, with various packaging forms (such as SOD523) and a selling point of "domestic precision substitution" to reduce customer costs.
Shenzhen Yingxinyuan Electronics
Core supplier of surface mount diodes, representing international brands such as ROHM, while also producing surface mount devices, widely used in consumer electronics and communication equipment.
Other regions
Changzhou Guangda Electronics (Jiangsu)
Specializing in the production of discharge tubes and semiconductor diodes (such as TVS and Schottky diodes), our products have passed UL and TUV certifications and are exported to Europe, America, and Southeast Asia.
Zhongxin Semiconductor (unspecified region)
Emerging power device manufacturers, focusing on low leakage voltage regulators, have made significant technological breakthroughs and are gradually entering the international supply chain system.
3、 Brand Characteristics Comparison
International brand: With profound technological accumulation, our products cover high-precision and cutting-edge fields such as medical lasers and automotive electronics, but our prices are relatively high and our supply chain is greatly affected by geopolitical factors.
Domestic brands: With cost-effectiveness and domestic substitution as their core competitiveness, they have rapidly emerged in segmented fields such as high voltage, surface mount, and TVS, and some companies' technical indicators have approached international levels.
For more detailed enterprise information or product parameters, please refer to the above source link.