CTK Electronics
Professional semiconductor manufacturer of diodes, MOSFETs, TVS, ESD, SiC devices and more. IATF 16949 certified — Choice of Reliability.
2,300+
Part numbers
15
Product families
12B units
Annual output
60+ countries
Global markets
Product Catalogue
Browse 2378 parts with parameters and local datasheet downloads.
Application Fields
Consumer Electronics
Smart wearables, home appliances, and mobile devices.
Automotive Electronics
Automotive-grade power and protection components.
Industrial Control
Power supplies, lighting, and instrumentation.
Communications & 5G
ESD/TVS protection and high-efficiency switching.
Choice of Reliability
Dongguan Tongke Electronic Co., Ltd. was established in 2010, specializing in R&D and manufacturing of semiconductor discretes and protection devices. Located in Dalingshan, Dongguan — adjacent to Songshan Lake — CTK serves automotive, industrial, and consumer markets worldwide.
"Customer first, quality first, scientific innovation, integrity-based."
Learn more about CTKIATF 16949
Automotive quality management
ISO 9001
Quality management system
ISO 14001
Environmental management
RoHS & REACH
EU environmental compliance
Latest News
Company updates and technical insights.
CTK Automotive Semiconductor Headquarters Tops Out
Dongguan Tongke Electronics celebrated the topping-out of its Automotive Semiconductor Headquarters and High-End IC Intelligent Manufacturing Project.
Read more →
United Forward — 2026 New Year Greeting
CTK extends New Year greetings to customers and partners worldwide, reaffirming our commitment to reliable semiconductor supply.
Read more →Why Is ESD Protection Important?
Electrostatic discharge protection is essential in modern electronics manufacturing and end-product reliability.
Read more →Need samples or a quotation?
Contact our sales team for part selection, datasheets, and long-term supply support.