Alpha and Omega Semiconductor Limited
Alpha and Omega Semiconductor Limited designs, develops, and supplies power semiconductor products for computing, consumer electronics, communication, and industrial applications in Hong Kong, China, South Korea, the United States, and internationally. The company offers power discrete products, including metal-oxide-semiconductor field-effect transistors (MOSFET), Shielded-Gate low voltage and mid-voltage MOSFETs, SuperJunction high voltage MOSFETs, and trench-stop insulated gate bipolar transistors (IGBTs), as well as application specific MOSFETs for use in smartphone chargers, battery packs, notebooks, desktop and servers, data centers, base stations, graphics card, game boxes, TVs, AC adapters, power supplies, motor control, power tools, e-vehicles, white goods and industrial motor drives, UPS systems, solar inverters, and industrial welding. It also provides power ICs that deliver power, as well as control and regulate the power management variables, such as the flow of current and level of voltage. The company's power ICs are used in flat panel displays, TVs, notebooks, graphic cards, servers, AI datacenters, DVD/Blu-Ray players, set-top boxes, and networking equipment. In addition, the company offers transient voltage protection products, analog switches, and electromagnetic interference filters for notebooks, desktop PCs, tablets, flat panel displays, TVs, smartphones, and portable electronic devices. Further, it provides silicon carbide, IPM, TVS, and HV gate drivers; and power modules, multiphase controllers, EZBuck regulators, and diode protection switches. Alpha and Omega Semiconductor Limited was incorporated in 2000 and is headquartered in Sunnyvale, California.
Open AOSL dashboard ↗Littelfuse Inc
Littelfuse, Inc. designs, manufactures, and sells electronic components, modules, and subassemblies. Its Electronics segment offers fuses and fuse accessories, positive temperature coefficient resettable fuses, electromechanical switches and interconnect solutions, polymer electrostatic discharge suppressors, varistors, reed switch based magnetic sensing, and gas discharge tubes; and discrete transient voltage suppressor (TVS) diodes, TVS diode arrays, protection and switching thyristors, silicon and silicon carbide metal-oxide-semiconductor field effect transistors and diodes, and insulated gate bipolar transistors. This segment serves industrial motor drives and power conversion, automotive electronics, electric vehicle and related charging infrastructure, aerospace, power supplies, data centers, telecommunications, medical devices, alternative energy and energy storage, building and home automation, appliances, and mobile electronics markets. The company's Transportation segment provides blade, resettable, high-current, and high-voltage fuses; battery cable protectors; fuses, switches, relays, circuit breakers, and power distribution modules; and sensor products. This segment serves heavy-duty truck and bus, construction, agriculture, off-road and recreational vehicles, material handling, passenger and commercial vehicles, and marine markets. Its Industrial segment offers industrial fuses, protection relays, contactors, transformers, residual current devices and monitors, ground fault circuit interrupters, arc fault detection devices, solid state switches, and temperature sensors for use in renewable energy and energy storage systems, electric vehicle infrastructure, HVAC systems, industrial safety, non-residential construction, MRO, mining, and factory automation applications. It sells its products through distributors, direct sales force, and manufacturers' representatives. The company was founded in 1927 and is headquartered in Rosemont, Illinois.
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