Best Diode Manufacturer Suppliers

Discover reliable sourcing options for high-performance diodes, including semiconductor materials, surface mount technology, and customized solutions from verified global manufacturers.

DiodesSemiconductorsSurface Mount TechnologyPower ElectronicsCustom Manufacturing
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Xiamen Bely Information Technology Co., Ltd.

🇨🇳 China
2004
201-300 people
Manufacturer/Trading Company
Established brand
OEM manufacturer
Low MOQ
High-tech enterprise
Shipments
40
Key customer
FELDER
Key market
Asia
Review
5
1550nm CWDM CATV Butterfly Laser Diode Module with TEC Product Category Diodes$120
1310nm DFB Laser Diode with Isolator 2mW 3.6Gb/s Product Category Diodes$23
976nm 9mm Laser Diode in TO-CAN Package High Performance Diodes Product$9
1310nm DFB Laser Diode
1530nm DFB Laser Diode
Pin Diode with Pigtail
Coaxial Laser Diode Module$135
1550nm DFB Laser Diode
InGaAs Photodiode Pin Diode$2
1550nm DFB Receptacle Laser Diode with FC/APC Connector Plugin Product Category Diodes$20
2.5G DFB 1310nm Laser Diode 6.6mm TO-CAN with Photodiode High Performance Diodes Product$6
1550nm DFB Laser Diode with Isolator 3mW 2.5Gb/s Naked Fiber Product Category Diodes$32
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Dongguan Pengyuan Optoelectronic Technology Co., Ltd.

🇨🇳 China
2003
101-200 people
Manufacturer/Trading Company
Established brand
OEM manufacturer
High-tech enterprise
Low MOQ
Key market
🇪🇸 Spain
Review
4.81
Description
Established in 2003, Dongguan Pengyuan Optoelectronic Technology Co., Ltd. (PY) is a high-tech manufacturer and trading company headquartered in Dongguan, Guangdong Province, China. The company specializes in the research, development, and production of a comprehensive range of light-emitting diodes (LEDs) and optoelectronic components. Its core product portfolio includes DIP LEDs, SMD LEDs, High Power LEDs, Infrared (IR) receiver LEDs, and LED strip lights, as well as finished lighting solutions such as LED bulbs, panel lights, and ceiling lamps. These products serve diverse applications in household appliances, toys, backlight modules, and decorative city lighting. Operating from a facility equipped with high-standard dust-free workshops and advanced automated production systems—including bonding wires, pressing dies, and automatic spectrophotometric machines—the company maintains an annual output capacity of approximately 50,000KK units. Dongguan Pengyuan Optoelectronic Technology offers professional OEM and ODM services, supported by a dedicated R&D team and a workforce of 101 to 200 employees. The company reports an annual revenue between US$50 million and US$100 million. Quality and safety are central to the company's operations. It has implemented a strict quality control system and holds multiple international certifications, including ISO 9001, CE, RoHS, FCC, CCC, and ULR. With a strong focus on international trade, the company exports between 51% and 70% of its production to global markets across North America, Europe, Southeast Asia, and the Middle East, establishing a reputation for reliable high-tech optoelectronic solutions.
3mm datasheet led 3mm white led bulbs led diode 3-3.4v diode led white warmwhite light emitting diodes Electronic led components$5.98
China Factory Good Quality 5mm green led diode diffused round led diode 2PIN through hole led diode for Backlight indicator etc.$9.18
3 legs led diodes$15
2-pin Rgb Led 3mm 5mm Round 7 Color Diodes/variable Color Led Diodes/color Changing Light Emitting Diodes 1000pcs Per Bag$11
Led Diodes 10mm Red Green Blue White Light Emitting Diodes with Color Diffused Lens$7.68
Smart Electronics 3mm 5mm Photodiode Photosensitive Receiver Diode Photosensors IR LED Diodes Infrared Transmitter Receiver$26.58
High power 0.5W 1w 3535 led smd chip led diode san'an chip Epistar chip smd led diode 3535 1w led diode white rgb uv 275nm etc.$58
2mm rgb led diode/2x5x5mm Square Shape RGB 4-Pin Light Emitting Diode ( CE & RoHS Compliant )$60.58
PENGYUAN Infrared Light Emitting Diodes/3mm 5mm IR LED Transmitter Receiver/Infrared Emitting Diode ( CE & RoHS )$12.58
Battery powered high intensity led diodes/Mini single led lights high intensity led diode ( CE & RoHS Compliant )$26
dip 546 5mm red oval led diode$6.98
5mm led light emitting diode 630 nm$4.98
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Hangzhou Brandnew Technology Co., Ltd.

🇨🇳 China
2005
51-100 people
Manufacturer/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Product customization
Shipments
40
Key customer
INFRARED OPTICS
Key market
Europe
Review
5
808nm F-Mount 10W Laser Diode Single Emitter Portable Diode Laser IR Illumination$139
1W 2W 785nm COS Chip On Submount Diode Laser for Laser Diode Modules$99
200W 976nm Optical Laser Diode Array Horizontal Stack Medical Care Conduction Cooled Diodes$1199
High Power Diode 100W 780nm Diode Single Emitter Laser Chip Product Type for Lidar$145
New Condition 808nm Laser Diode Stack Spare Parts Diode Bars for Cynosure Palomar Vectus$5999
New 785nm 600mW Raman Free Space Laser Diode Wavelength Stabilized Free Space Laser Diode$999
30W Fiber Coupled Laser Module 915nm Diode Laser Medical Research Part Product Category Diodes$499
High Powet 50W 808nm Multi Emitter VCSEL Diode Laser Chip Medical Electronics Semiconductor Diode$99
160W 808nm Diode Laser Bar,Water Cooled Horizontal Stack Diode Laser for Marking,Laser Engraving$27858.24
80W 940nm Infrared Laser Diode CS Single Bar Mounted Laser Diode for Communication Scientific Research$599
14 Pin Butterfly Package Diode 976nm100mW Single Mode Diode Laser Fiber Coupled for Medical Communication$1799
Laser Diode Best Price F Package 25W 808nm E Mount Diode Laser Infrared Single Emitter$185
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Changzhou Changyuan Electronic Co., Ltd.

🇨🇳 China
2007
201-300 people
Manufacturer/Service Company/Trading Company
OEM manufacturer
Own brand
High-tech enterprise
Shipments
119
Key customer
SILICON SEMICONDUCTORS
Key market
🇮🇳 India
Description
Changzhou Changyuan Electronic Co., Ltd. is a professional semiconductor manufacturer established in 2007 and based in the Changzhou High-tech Development Zone, China. Specializing in the research, development, packaging, testing, and sales of diodes, the company operates a 6,600-square-meter facility with a building area of 16,000 square meters. With a workforce of approximately 200 to 300 employees—30% of whom comprise the technical R&D backbone—the company maintains a significant production capacity of 300 million units per month across multiple advanced production lines. The company's extensive product portfolio includes Silicon Rectifier Diodes, Schottky Barrier Diodes, Zener Diodes, Bridge Rectifiers, TVS (Transient Voltage Suppressors), Fast Recovery Diodes, and Surface Mount Diodes (SMD). These components are widely utilized in smart home appliances, green lighting, network communications, power chargers, and automotive electronics. Marketed under the "CY" brand, their products are also provided through OEM and matching services for well-known domestic and international enterprises, including major clients in South Korea, India, Europe, and North America. Changzhou Changyuan Electronic is committed to high-quality standards, strictly implementing ISO 9001:2008 and ISO 9001:2015 quality management systems. Their products are compliant with RoHS and REACH certifications, ensuring adherence to international environmental and safety regulations. By combining standardized production processes with rigorous testing methods, the company has established itself as a reliable supplier in the global electronic discrete device industry.
Diode-dB4, Rectifier Diode$0.01
High Speed Switching Diode/Rectifier Diode$0.01
SMD Diode$0.01
Rectifier Diode/1n4937$0.01
Zener Diodes/1n5221b$0.01
Diode SF31~38G
Zener Diodes/1n5225b$0.01
Fast Rectifiers Diode$0.08
Zener Diodes/1n5231b$0.01
1N5391-1N5399General diode
Rectifier Diode supplier
Bridge Rectifier/Diode/DB107S$0.02

How do I know if a supplier is reliable?

Reliable suppliers typically have a proven operating history, consistent export activity, relevant certifications, clear communication, and established quality control processes. Reviewing company information and past performance can help reduce sourcing risks.

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Shenzhen HQG Optoelectronics Co., Ltd.

🇨🇳 China
2003
101-200 people
Manufacturer/Trading Company
Established brand
High-tech enterprise
Patented technology
Industry association member
Shipments
56
Key customer
PEERLESS
Key market
🇺🇸 United States
Description
Shenzhen HQG Optoelectronics Co., Ltd. is a prominent high-tech manufacturer specializing in semiconductor light-emitting diodes and magnetic components. Established in the early 2000s and headquartered in Shenzhen, the company operates extensive production facilities covering up to 70,000 square meters, including a modern 53,000-square-meter industrial park. With a workforce of approximately 101 to 200 employees and an annual production capacity reaching 6,000KK units, the firm serves as a key player in the LED industry, providing OEM, ODM, and contract manufacturing services to global brands such as Xiaomi, Kia, and Skyworth. The company's comprehensive product portfolio includes a wide range of SMD LEDs (0603, 0805, 1206, 3528, 5050), DIP LEDs, LED backlights, and digital displays. Beyond components, they manufacture finished lighting solutions such as LED tubes, panel lights, and strip lights, as well as specialized infrared LEDs, phototransistors, and integrated micro inductors. These products are widely utilized in consumer electronics, automotive displays, smart home devices, and industrial instruments. Committed to high quality and technical innovation, Shenzhen HQG Optoelectronics maintains a rigorous quality management system with certifications including IATF 16949 for automotive standards, ISO 9001, and ISO 14001. Their manufacturing process is highly automated, featuring dust-free anti-static workshops and advanced equipment for die bonding, wire bonding, and spectroscopic color separation. The company maintains a strong international presence, exporting high-performance optoelectronic solutions to markets across Europe, Asia, and North America.
Factory Manufacturer pink Light Emitting Diode for Tv Backlight 0603 High Lumen Micro Led Diode$0.02
0603 SMD LED Diode 1.6*0.8*0.6mm 2.0-2.2v in Stock Fast Delivery HQ19-2132SURC Light Emitting Diode$6
HQG 3MM white yellow green emerald green Light Emitting Diodes orange purple pink Dip 5MM Smd Led Diodes$0.01
Shenzhen Manufacture Epistar Chip Smd 3528 Led Diode$0.01
PLCC-6 5050 LED RGB SMD Diode 10uA$0.2
1206 SMD green LED Diode High Quality shenzhen manufacturer$0.01
Colloidal Color-Banded 546 Elliptical Led Light-Emitting Diodes$0.02
Round Head 3mm Orange Orange High Brightness Light Emitting Diode$30
1206 smd led diode right angle leds 3.2*1.0*1.5mm$0.01
5 mm Clear LED Light Emitting Diodes Bulb LED Lamp$0.03
Logo Chip Foldable Full Spectrum Led Grow Light Led Chip Diode$0.01
High Intensity 3.5*2.8*1.9mm 3528 Smd Led Diodes for Tv Backlights$0.02
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Hezhou Shining Opto-Electronic Co., Ltd.

🇨🇳 China
2015
11-50 people
Manufacturer/Trading Company
OEM manufacturer
High-tech enterprise
ODM manufacturer
High product rating
Shipments
88
Key customer
MAXLITE
Key market
🇺🇸 United States
Review
5
Ultraviolet Diode Epileds Chip High Power COB 365nm 370nm 500W UV LED Diodes$1420.06
Warm White 2700K 1919 Epistar Bridgelux Chip Ceramic 15 Watt COB LED Diode Diodes$0.06
Light Emitting Diode 0.06W SMD 3528 LED Chip Cyan 495nm 500nm 505nm LEDs Diode$0.008
Light Emitting Diode Bridgelux Chip CCT 2800K 3000K 3500K High Power COB LED 100W 2700K Diodes$15
High Quality Lamp Light Source Diode bridgelux led chips 45mil White High Power COB LED 200W Diodes$2777.26
Datasheet Low Power TO39 1-2mW Ultra violet Diode TO-39 340nm UV LED Chip LEDs Diode$7961.47
SMT Type PLCC Top View 0.5W 5730 730nm 660nm 450nm 420nm Plant Grow SMD Diode LEDs Diode$1.86
Light Emitting Diode 350mA Epileds Chip 1W 3W high power 410nm 415nm 420nm uv led diode Specificatios LEDs$0.3
Shenzhen Manufacturer Infrared IR 940nm LED Diode$0.4
China Wholesale 3W High Power Diode Infrared 930nm 940nm 950nm IR LED for Monitoring, remote control, night vision Diode$0.2
Epileds Chip 3in1 Infrared 5W 940nm 950nm High Power IR LED Diode with 3 Chips visible/invisible light emitting diode$63.28
High Quality Hot sale Infrared diode lensed wide beam angle 140degree High Power 5W 940nm IR LED Dual Chip Diode LEDs$0.7
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Nantong Hongxinda Electronic Technology Co., Ltd.

🇨🇳 China
101-200 people
Manufacturer/Trading Company
OEM manufacturer
Eco-friendly supplier
High-tech enterprise
Shipments
235
Key customer
SITEONE
Key market
🇺🇸 United States
Description
Nantong Hongxinda Electronic Technology Co., Ltd. is a professional manufacturer and exporter of electronic components based in Nantong, Jiangsu Province, China. Established as a modern enterprise integrating R&D, design, and production, the company operates a self-owned factory and provides OEM services to a global clientele. The company specializes in a diverse range of semiconductor and power products, including high-voltage diodes, rectifier diodes (General Purpose, Fast Recovery, and Schottky Barrier), bridge rectifiers, and Zener diodes. Their extensive product portfolio also features power transformers, LED drivers, ignition coils, capacitors, and brushless motor controllers. With a production capacity reaching up to 6 billion units per year, the company's components are widely utilized in LCD/LED TV power supplies, lighting systems, solar junction boxes, automotive ignition systems, and household appliances such as microwave ovens. Nantong Hongxinda maintains a strong international presence, exporting to markets across North America, Europe, and Southeast Asia. They serve a prestigious customer base that includes industry leaders such as Honeywell, Canon, Samsung, Panasonic, and SiteOne Landscape Supply. The company employs between 101 and 200 personnel, including a dedicated team of engineering technicians and R&D staff. Committed to high quality and environmental standards, the enterprise holds RoHS and REACH certifications. Formerly known as Nantong Wantai Electronics, the company rebranded and relocated in 2020 to its current facility in the Chahe Town Industrial Park, where it continues to leverage advanced production equipment and scientific management to meet international standards.
High Voltage Diode Quality Like Sanken and Hitachi Diode$0.04
To220 Package Rectifier Diode Mbr10200CT/Sfaf504G/Mur860CT/Mur1060CT/15sq045/20sq045$0.08
Microwave Ovens Application Diode Cl01-12/Cl04-12/Hvm12/T3512$0.18
SMD High Efficiency Rectifier Diode Us1k/Us1m/U1m/Us2m/Us3k/Us3m$0.01
Axial Bridge Rectifier Diode MB10m/dB105/dB107/Kbp208g/Kbp308g/Gbu410/D2sb60/Kbj10j/D15sb60$0.1
SMD General Purpose Rectifier Diode M4/M7/S1m/GS1m/Sk/Sm/S2k/S3m$0.01
Rectifier Diode with Competitive Prices Cl05-04/1n5819/Sf38/Fr107/Bav99/1n4148W/A7$0.03
Axial High Efficiency Rectifier Diode Her105/Her107/UF4005/UF4007/Her207/Her208/UF5408/Her508$0.01
Axial General Purpose Rectifier Diode 1n4005/1n4007/1n5399/Rl205/Rl207/1n5408/6A10/10A10$0.01
SMD Fast Recovery Rectifier Diode RS1j/RM/RS2j/RS2k/RS2m/RS3g/RS3j/RS3k/RS3m$0.01
Microwave Ovens SMD High Voltage Diode Cl01-09/Cl01-12/Cl04-12/Cl08-08/Hvm12/T3512$0.18
SMD Schottky Barrier Rectifier Diode Ss12/Ss14/Ss16/Ss18/Ss24/Ss26/Ss210/Ss34/Ss36/Ss38/Ss310$0.01
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SemiGen, Inc.

🇺🇸 United States
2009
51-100 people
Manufacturer/Service Company/Distributor
OEM manufacturer
ODM manufacturer
Product customization
Low MOQ
Shipments
1
Key customer
EDGEWATER CAPITAL PARTNERS
Key market
🇺🇸 United States
Description
SemiGen, Inc., a subsidiary of Naprotek, is a premier RF/microwave solutions provider and contract manufacturer headquartered in Londonderry, New Hampshire. Founded in 2009, the company operates as a vertically integrated partner for OEMs across high-reliability sectors, including Defense, Space, SATCOM, Medical, and Advanced Communications. SemiGen maintains a state-of-the-art 37,000 square foot facility featuring a Class 10,000 clean room, enabling both manual and fully automated assembly solutions. The company specializes in a comprehensive range of semiconductor and passive components. Its product portfolio includes PIN, Schottky, Limiter, and Step Recovery diodes, as well as MIS capacitors, fixed attenuator pads, thin film circuits, planar chip inductors, and microwave filters. Beyond component manufacturing, SemiGen provides extensive technical services such as RF/microwave and PCB assembly, high-frequency testing up to 50 GHz, and MIL-STD high-reliability screening. Their in-house foundry capabilities encompass thin film processing, ion beam milling, wafer dicing, and metallization. As an ITAR-registered and ISO 9001:2015 certified manufacturer, SemiGen also holds AS9100D and ISO 13485:2016 certifications, ensuring compliance with rigorous aerospace and medical quality standards. With a workforce of approximately 50 to 100 employees, the company supports clients from initial design engineering and prototyping through to volume production and module repair. SemiGen further supports the microwave community through its RF Supply Store, which distributes essential bonding tools and materials.
Diode Submounts
PIN Diodes
Schottky Diodes
Limiter Diodes
Step Recovery Diodes
Point Contact Diodes
Beam Lead Pin Diodes
Couplers
MIS Capacitors
Beam Lead Capacitors
Resistors
Thin Film Circuits
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Yangzhou Positioning Tech. Co., Ltd.

🇨🇳 China
2003
501-1000 people
Manufacturer/Trading Company/Wholesaler/Distributor
High capacity factory
Established brand
OEM manufacturer
ODM manufacturer
Shipments
1410
Key customer
MARFRET
Key market
🇺🇸 United States
Review
5
High Quality Rectifier Diode 50A Automotive Diode$0.35
Hvrw4 Diode 50 Amp Glass Package Diodes$0.98
Good HV Diode High Voltage 60 Amp Diode$0.98
High reliability diode 4kv diode HV04-jb04-1$0.5
Both Side Cooling Rectifier Welding Diodes Thyristors Diode Machine$85
High voltage diode 4KV 10m amp diode for Copying machine$0.5
1N5399 DO-15 Plastic-Encapsulate Diodes General Purpose Rectifier Diodes$245
high frequency avalanche diode$0.85
BAT85 Schottky Barrier Single Diode$5
Standard Recovery Stud Diode 1200V$2
DO5 1800V Fast Recovery Diode Stud$1.95
100 amp bridge rectifier diode ixys$10
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Nantong Hornby Electronics Co., Ltd.

🇨🇳 China
1996
101-200 people
Manufacturer/Trading Company/Service Company
Established brand
OEM manufacturer
ODM manufacturer
Own brand
Shipments
871
Key customer
MILLENNIUM SEMICONDUCTORS INDIA
Key market
🇮🇳 India
Description
Nantong Hornby Electronics Co., Ltd. is a leading manufacturer, trading company, and service provider of semiconductor components, established in December 1996 as the Hornby Group's largest semiconductor production base in Mainland China. With over 25 years of experience, the company operates an 18,000㎡ factory and has grown to become a global supplier with an annual production capacity of 6 billion semiconductor device parts. They specialize in a comprehensive range of semiconductor solutions, including Rectifier Diodes (General, Fast Recovery, Ultra Fast Recovery, Super Fast Recovery, Schottky Barrier, PV Diode), Small Signal Diodes, Bridge Rectifiers, Protection Diodes (ESD, TVS, Zener), MOSFETs (Low-Voltage, Super Junction, Mid-voltage), and Transistors. Nantong Hornby Electronics Co., Ltd. offers OEM and ODM services, supported by a professional team with over a decade of experience in semiconductor manufacturing, development, and service. The company holds numerous national invention patents and maintains strict quality control, evidenced by certifications such as ISO 9001, ISO 14001, IATF 16949, ISO 45001, and UL. They export over 80% of their products to Asia, Europe, and America, serving diverse applications in consumer electronics, home appliances, LED lighting, renewable energy, industrial control, and transportation.
Fr107s Fast Recovery Rectifier Diode$0.01
Us1mf Ultrafast Recovery Rectifier Diode Smaf$0.01
30mq045 PV Photovoltaic Schottky Bypass Solar Diode$0.15
1n5399 General Purpose Plastic Silicon Rectifier Diode Do15$0.01
1n5408 General Purpose Plastic Silicon Rectifier Diode Do201ad$0.02
Us1m Surface Mount Ultrafast Recovery Rectifier Diode SMA Do214AC$0.01
GS1m/M7 M7f General Purpose Rectifier Diode SMA. Smaf Package$0.01

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