The new original CT3021 DIP-6 random phase photocoupler chip is compatible with MOC3021

G-Resource Electronics Co., Ltd was established in 2009.

We always adhere to the "morality oriented, mutual benefit and win-win" business service, focusing on electronic / electrical equipment, security equipment, communications equipment, transportation equipment, automotive electronics, computers and peripherals, consumer electronics and power supply module products protection requirements. We provide partners integrated circuit protection devices and circuits protection solutions to help engineers enhance product protection, improving product quality and market reputation image.
Our main products include a full range of Semiconductor : Rectifier(diode-bridge rectifier)、Transient Voltage Suppressor（TVS）、electrostatic protection devices (ESD)、Voltage regulator diodes（Zener Diode） 、（Schottky Diode）、Metal-Oxide -Semiconductor Field Effect Transistor(Mosfet)、Transistor（PNP NPN transistor）、Voltage Regulators, And passive components ( MLCC 、tantalum capacitor）etc.. From circuit design to product testing,we provide circuit protection field of a one-stop service for you. We won wide praise from the clients and the industry by excellent service.
Since G-Resource Ele. established, we invested plenty of funds in R & D and production process, is committed to high-quality circuit protection solutions, and provide technical support for efficient products, testing for global customers for the development of new products. In order to provide more convenient technology and logistics services, the sales system has been widely sold in North America, South America, Europe and asia.

G-Resource Ele. always put the technology as the first driving force of enterprise development, the constant pursuit of research depth, continuously enhance the capability of independent innovation, the combination of a large number of scientific research, production, management, marketing elite, out of a special color change from small to large, from weak to strong innovation road.
G-Resource Ele. people firmly believe that adhere to expand the "people-oriented" concept of corporate culture, with the core technology innovation, a good industrial base and a leading position in the market,becoming world-class semiconductor leading enterprises.
Looking forward to the future, G-Resource Ele.will be based on China, and Looking at the world, to create the international famous brand and to be leader of China′s excellent semiconductor.