Alpha and Omega Semiconductor Limited (AOSL) is a global enterprise that designs, develops, and supplies crucial power semiconductor solutions for a wide range of applications, including computing, consumer electronics, communication, and industrial sectors. The company operates internationally, serving markets in Hong Kong, China, South Korea, and the United States. Among its core offerings are power discrete components, such as various types of MOSFETs (e.g., metal-oxide-semiconductor field-effect transistors, SRFETs, XSFET, and high-voltage variants, including ESD-protected models) and insulated gate bipolar transistors (IGBTs). These components are integral to a vast array of devices, spanning consumer electronics like smartphones, laptops, TVs, and gaming consoles; computing infrastructure including desktops, servers, and data centers; communication equipment such as base stations; and diverse industrial applications like motor control, power tools, electric vehicles, white goods, UPS systems, solar inverters, and industrial welding. AOSL also provides power integrated circuits (ICs), which are designed to efficiently manage and regulate power within electronic systems. These ICs are critical for controlling voltage levels and current flow, finding applications in everything from flat-panel displays, notebooks, and graphics cards to servers, DVD/Blu-Ray players, set-top boxes, and networking hardware. The product portfolio further extends to specialized components like aMOS5 MOSFETs, optimized for high-demand applications such as fast chargers, AC adapters, PC power supplies, servers, industrial power, telecom, and data centers. Additionally, it supplies Transient Voltage Suppressors (TVS) for safeguarding electronic devices like laptops and televisions against power surges. Other innovative solutions include EZBuck regulators, SOA MOSFETs for hot-swappable systems, RigidCSP for advanced battery management, and Type-C power delivery protection switches. Established in 2000, the company maintains its headquarters in Sunnyvale, California.
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Alpha and Omega Semiconductor Limited is a semiconductors company headquartered in Sunnyvale, United States. It is publicly listed (AOSL) with a market capitalisation of $929.9M. Xcout tracks 18 named people at Alpha and Omega Semiconductor Limited, including Stephen Chunping Chang (Chief Executive Officer & Director).
12 more named people on record for Alpha and Omega Semiconductor Limited, with roles, board committees and tenure — see the full roster →
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Headquartered in Suzhou, China, Suzhou Oriental Semiconductor Company Limited is a Chinese enterprise specializing in semiconductor technology, established in 2008. The company develops and supplies a diverse portfolio of products, including GreenMOS, SGTMOS, IGBTs, hybrid FETs, and Silicon Carbide (SiC) devices. These components are essential for a variety of applications, such as switched-mode power supplies (SMPS), inverters, motor drivers, and electric vehicle (EV) charging systems, among others.
Shanghai Prisemi Electronics Co.,Ltd. is a specialized high-tech enterprise dedicated to the research, development, manufacturing, and sale of power management integrated circuits (ICs) and discrete power components. Operating primarily within China, its product portfolio encompasses various power ICs, such as charge controllers, over-voltage protection (OVP) ICs, audio power amplifiers, and DC-DC power management solutions. Additionally, the company provides a range of power devices, including transient voltage suppression (TVS) diodes, MOSFETs, thyristor surge suppressors (TSS), Schottky barrier diodes (SBDs), Zener diodes, and transistors. These components are extensively utilized across diverse applications, from consumer electronics and network communication infrastructure to security monitoring systems and industrial sectors. While maintaining a strong domestic presence, Prisemi also exports its products to international markets like Hong Kong, Taiwan, and South Korea. The company's headquarters are located in Shanghai, China.
Advanced Power Electronics Co., Ltd., founded in 1998 and headquartered in Zhubei City, Taiwan, is a global provider of power semiconductor components. The company serves markets across Europe, Africa, Asia, Australia, North America, and South America with its diverse product offerings. These include a variety of power MOSFETs, super junctions, and IGBTs, as well as an array of power integrated circuits such as LDOs, DDRs with reset functions, and load switches. APEC also extends its expertise through comprehensive testing services. Their components are crucial for numerous applications, including networking equipment, LED lighting, LCD/LED televisions, switching power systems, motherboards (MB), and notebook computers. Consequently, the company's solutions are integral to the computing, consumer electronics, display, communications, and industrial sectors.
Diodes Incorporated operates globally, specializing in the development, production, and distribution of standard, application-focused semiconductor components across the discrete, logic, analog, and mixed-signal sectors. The company primarily concentrates on crafting semiconductor devices featuring a minimal number of pins, which integrate either active or passive components, or a combination of both. Its extensive array of discrete semiconductor offerings encompasses field-effect transistors (MOSFETs), transient voltage suppression devices (TVS), and high-performance Schottky rectifiers. Diodes also supplies general-purpose bridge rectifiers and rectifiers, alongside specialized Schottky diodes, various Zener diodes (including tight-tolerance and low-current versions), and a comprehensive selection of recovery rectifiers, ranging from standard to ultra-fast speeds. Further products in this category include bridge rectifiers, switching diodes, compact bipolar and prebiased transistors, thyristor-based surge protectors, and transient voltage suppressors. Additionally, Diodes Incorporated delivers a suite of analog solutions. These incorporate power management integrated circuits, such as AC-DC and DC-DC converters, USB power switches, and both low-dropout (LDO) and linear voltage regulators. The analog portfolio also extends to linear devices like operational amplifiers, comparators, current monitoring circuits, voltage references, and reset generators, as well as LED lighting drivers, audio amplification circuits, and various sensor products, including Hall-effect sensors and motor drivers. In the mixed-signal domain, the company develops high-speed multiplexers/demultiplexers, digital switches, interface components, signal redrivers, universal level shifters/voltage translators, clock integrated circuits, and packet switches. Its logic offerings include both low-voltage and high-speed complementary metal-oxide-semiconductor (CMOS) devices, alongside ultra-low power CMOS logic and analog switches. Furthermore, Diodes Incorporated produces multi-chip products, often integrating discrete, analog, and mixed-signal silicon into compact packages, as well as silicon and silicon epitaxial wafers, and crystals and oscillators. This broad spectrum of products serves crucial industries such as consumer electronics, computing, telecommunications, industrial applications, and the automotive sector. The company distributes these components via a multi-channel approach, utilizing direct sales teams, dedicated marketing staff, independent sales representatives, and a robust network of distributors. Established in 1959, the corporation maintains its main office in Plano, Texas.
MACOM Technology Solutions Holdings, Inc., along with its affiliated entities, specializes in the design and production of sophisticated analog semiconductor solutions. These critical components are integral to both wireless and wired connectivity systems, spanning the entire electromagnetic spectrum from radio frequency (RF) to lightwave, including microwave and millimeter wave bands. The company operates globally, with a significant presence in the United States, China, the broader Asia Pacific region, and other international markets. Their diverse product portfolio includes a range of standard and custom-engineered devices, such as integrated circuits, multi-chip modules, diodes, amplifiers, various types of switches (including limiters), as well as both passive and active discrete components, and complete subsystems. These essential semiconductor products serve as fundamental building blocks within a wide array of electronic systems, including wireless base stations, advanced optical networking infrastructure, radar systems, medical equipment, and precision test and measurement instruments. MACOM caters to a broad spectrum of key markets: Telecommunications: Their solutions underpin carrier infrastructure for long-haul and metropolitan networks, 5G deployments, and fiber-to-the-X/passive optical network (PON) solutions. Industrial and Defense: This sector encompasses applications like military and commercial radar, RF jamming technology, electronic countermeasures, and secure communication data links. This also extends to multi-market uses in industrial automation, medical devices, scientific research, and general test and measurement equipment. Data Centers: Providing vital components for this rapidly growing industry. Their products reach customers via a multi-channel sales approach, utilizing direct sales teams, dedicated applications engineering support, independent sales representatives, and a network of resellers and distributors. Established in 1950, MACOM maintains its corporate headquarters in Lowell, Massachusetts.
onsemi manufactures intelligent power and sensing technologies, including discrete power modules, MOSFETs, IGBTs, silicon carbide (SiC) solutions, and power management products. The company serves global innovators across industries such as automotive, industrial automation, energy infrastructure, computing, consumer electronics, and medical markets.
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