RFsemi Technologies

Name

RFsemi Technologies

Legal name

주식회사 알에프세미 (RFsemi Technology Inc.)

Website

https://rfsemi.co.kr

Company type

Public

Founded year

1999

Operating status

Operating

Headcount range

251–500 employees

Ownership category

akta.pro rank

Product category

Semiconductor Components

NAICS

Semiconductor and Related Device Manufacturing (334413), Semiconductor and Other Electronic Component Manufacturing (3344), Electric Lighting Equipment Manufacturing (33513), Residential Electric Lighting Fixture Manufacturing (335131)

SIC

Semiconductors & Related Devices (3674), Electric Lighting & Wiring Equipment (3640), Electronic Components, Nec (3679)

akta.pro primary industry

Power Modules (IGBT/MOSFET/SiC/GaN Modules) (HDAHAHAH)

akta.pro secondary industries

Optoelectronics & Photonics (LED/Laser/Optical ICs) (HDAHAAAH), High-Voltage, Power Discretes & Modules (IGBT/MOSFET/SiC/GaN) (HDAHAAAK), Power Semiconductor Foundries (BCD/Power IC Processes) (HDAHACAE), Optoelectronic Emitters (LED/Laser/VCSEL) (HDAHALAL), RF & Compound Semiconductor Foundries (GaAs/GaN/SiGe) (HDAHACAD)

Keywords

• Semiconductor components
• LED lighting products
• Power semiconductors
• Wafer foundry services
• Lithium iron phosphate batteries

Headquarters

HQ city

Daejeon

HQ country

South Korea

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Personnel, Technology or R&D, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. Semiconductor Device Sales: Sales of ECM chips, TVS diodes, Zener diodes, and Schottky barrier diodes. Production volume of 200 million units per month for ECM and TVS products combined.
2. LED Lighting Products: Sales of Lungo LED lighting products including bulb lamps, downlights, factory lights, dimmers, and smart streetlight systems. Revenue derived from direct product sales.
3. Secondary Battery Products: Sales of 32700 cylindrical lithium iron phosphate batteries for electric vehicles, ESS, UPS, and motive power applications.
4. Foundry Services: Wafer foundry business using 6-inch Fab for SiC/GaN power semiconductors, MEMS-based sensors, and micro package foundry. Revenue generated from processing fees for customer-provided wafers.
5. Power Semiconductor Products: GaN and SiC power semiconductor devices and modules, including the VSHS power package product line. Revenue from product sales of discrete devices and modular solutions.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels4 records

Core offering

RFsemi Technologies designs and manufactures semiconductor components (ECM chips, TVS diodes, Zener diodes, Schottky barrier diodes, GaN+SiC modular power semiconductors), LED lighting products under the Lungo brand using proprietary AC direct driving technology, UV germicidal lamps (Far UVC), and 32700 lithium iron phosphate cylindrical batteries for EV, ESS, UPS, and motive power applications. The company also operates a 6-inch wafer foundry providing SiC/GaN power semiconductor and MEMS device fabrication services to external customers.

Product overview

RFsemi Technologies is a semiconductor devices and LED lighting specialist offering a diversified product portfolio. The core offerings include: (1) Electronic components - ECM chips, TVS diodes, Zener diodes, Schottky barrier diodes, and GaN/SiC power semiconductors; (2) Battery products - 32700 cylindrical lithium iron phosphate batteries and battery packs for EVs, ESS, and motive power applications; (3) LED lighting - the Lungo LED Light brand featuring proprietary AC direct driving technology with over 50,000 hours lifespan, including bulbs, downlights, factory lights, and dimmers; (4) Foundry services - 6-inch wafer processing for SiC/GaN power semiconductors and MEMS-based sensors; (5) UV germicidal lamps using Far UVC 222nm technology. The company operates with semiconductor manufacturing know-how accumulated over 20+ years.

Differentiator

Problem solved

Functional benefit

Brands

• Lungo LED Light: LED lighting brand featuring AC direct driving technology with up to 50,000 hours lifespan. Products include bulb lamps, downlights, factory lights, and smart lighting systems.

Products and services

• ECM Chip (Electronic Current Mirror) Proprietary Electronic Current Mirror semiconductor chip used for current regulation in electronic circuits; supplied to electronics OEMs and design houses for integration into end products.
• TVS (Transient Voltage Suppressor) Diode Transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and surges; sold to electronics manufacturers and design houses.
• Zener Diode Zener diode used for voltage reference and regulation in electronic circuits; supplied to electronics OEMs.
• Schottky Barrier Diode Schottky barrier diode offering low forward voltage drop and fast switching for rectification and power applications; supplied to electronics manufacturers.
• GaN+SiC Modular Power Semiconductor Next-generation compound semiconductor power device combining GaN and SiC in a modular architecture to deliver high switching performance and effective thermal management; targeted at power electronics and electric vehicle module makers.
• 6-inch SiC/GaN and MEMS Wafer Foundry Services Contract wafer fabrication services on a 6-inch wafer line for SiC and GaN power semiconductor devices and MEMS devices, including MEMS microphones; sold to fabless semiconductor companies and power module makers.
• Lungo LED Lighting Brand (Volve Lamp, Convolve Lamp, Downlights, Factory Lights, Dimmer) Lungo brand LED lighting products using proprietary AC direct driving technology that eliminates external LED drivers, including the Volve Lamp and Convolve Lamp sub-products plus Downlights, Factory Lights, and Dimmer products; targeted at government, institutional, industrial, and commercial buyers globally.
• UV Germicidal Lamp (Far UVC) Far UVC germicidal lamp for disinfection applications, leveraging the company's LED and UV device technology; targeted at institutional, healthcare, and commercial disinfection use cases.
• Lithium Iron Phosphate (LiFePO4) 32700 Battery Cells and Packs 32700-format lithium iron phosphate cylindrical battery cells and finished packs for EV Battery Packs, ESS Battery Packs, Motive Power Battery Packs, and Mobile Charging Solutions; targeted at battery pack integrators and system OEMs in electric vehicles, energy storage, UPS, and motive power markets.
• MEMS Microphone MEMS microphone component fabricated on the company's 6-inch MEMS wafer line; supplied to consumer electronics, mobile, and IoT device manufacturers.

Quantifiable outcome

• Up to 72% electricity cost savings with AC Direct LED lighting
• +9 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered minor and core.

• Kyungpook National UniversityminorStrategic or Co-development Partner · 1 January 2021Partnership for exosome (EV) separation device technology. Patent rights transfer contract signed with Kyungpook National University in November 2021 for exosome separation device patent rights.
• EuroLighting GmbHcoreChannel Partner/ Reseller/ Distributor · 1 January 2018European channel partner for LED lighting products. Located in Nagold, Germany. Handles distribution of Lungo LED lighting products in the European market. EuroLighting has its own homepage (www.eurolighting-gmbh.eu) and handles sales, fax, and customer inquiries for European customers.
• Integrated SolutionsminorChannel Partner/ Reseller/ Distributor · 1 January 2018Channel partner based in Ajman Free Zone, UAE. Handles distribution and integration of RFsemi products in the Middle East region. Contact: [email protected] / [email protected], Tel: +971503405341.
• RFSEMI CHILE SpAcoreChannel Partner/ Reseller/ Distributor · 1 January 2018Subsidiary established in February 2018 (initially as Importadora RFsemi Chile SpA) in Santiago, Chile. Handles sales and distribution of RFsemi products in Latin American markets. Contact: 569 7306 7668.
• SPNB (Malaysia Ministry of Finance Housing Program)coreGTM or Marketing Partner · 1 January 2018MOU signed for supply of indoor LED lighting for Malaysian Ministry of Finance (SPNB) housing program. Project targeted to build 100,000 households with Lungo LED lighting by December 2018. This was RFsemi's first step into the Asian and global LED lighting market.
• RFsemi Holdings SDN BHDcoreChannel Partner/ Reseller/ Distributor · 1 January 2015Subsidiary established in March 2015 in Kuala Lumpur, Malaysia. Handles sales and distribution of RFsemi products in the Malaysian and Southeast Asian markets. Contact: +60-102264285.
• Sun Moon Electronics (山墨电子有限公司)minorChannel Partner/ Reseller/ Distributor · 1 January 2013Chinese partner company based in Shenzhen, China. Homepage: www.sunmoonsemi.com. Handles sales and distribution of RFsemi products in the Chinese market. Tel: +86-755-8324-1163, Fax: +86-755-8324-1158.

Scale indicators9 records

Recent moves14 records

Expansion highlights5 records

Broad incumbents

• Signify (Philips Lighting): Global LED lighting leader covering consumer, professional, and IoT lighting segments. Comparable on Lungo LED's B2B/government lighting customers, though at vastly greater scale and brand presence.
• ON Semiconductor (onsemi): Global supplier of discrete semiconductors (TVS, Zener, Schottky) and power semiconductors including SiC. Direct overlap with RFsemi's discrete diode portfolio and emerging SiC/GaN power business.
• LG Innotek: Korean diversified electronic components and LED manufacturer with broad portfolio including LED lighting, automotive, and semiconductor substrates. Comparable on Korean LED lighting manufacturing footprint and customer channels.
• Acuity Brands: North American LED lighting and smart building solutions company with strong industrial, commercial, and government customer overlap with RFsemi's lighting business.
• ROHM Semiconductor: Japanese semiconductor manufacturer with strong SiC and discrete diode (Schottky, TVS) portfolio. Comparable on power semiconductor roadmap and discrete component breadth.

Direct peers

• Seoul Semiconductor: Major Korean LED manufacturer (LED chips, packages, and modules including AC-driven and Lumileds products). Directly comparable to RFsemi's Lungo LED business and Korean lighting customer base.
• Vishay Intertechnology: Global discrete semiconductor and passive component manufacturer with strong TVS, Zener, and Schottky diode lines, plus optoelectronics. Directly comparable to RFsemi's ECM, TVS, and Zener diode product lines.
• Wolfspeed: Pure-play SiC power semiconductor and foundry services provider. Directly comparable to RFsemi's SiC/GaN foundry offering and power module business, though at much larger scale.

Emerging players

• EPC (Efficient Power Conversion): GaN power semiconductor specialist with focus on high-frequency, high-efficiency power conversion. Directly comparable to RFsemi's GaN power device strategy and foundry-style offerings.
• Power Integrations: Power semiconductor company specializing in high-voltage integrated circuits for energy-efficient power conversion. Comparable to RFsemi's Driver IC and power semiconductor IP approach in LED/power conversion applications.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/rfsemi-technologies-inc

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RFsemi Technologies