Flex
Flex Power Modules, a division of Flex Ltd. (NASDAQ: FLEX), designs and manufactures high-efficiency board-mounted DC/DC power converters, Intermediate Bus Converters, and 800 VDC modules for data center, telecom, industrial, and transportation customers across 300+ accounts globally.
- Company typePublic
- Founded1980
- HeadquartersKista, Sweden
- Headcount—
- GTM typeB2B
- OfferingHardware or Manufacturing
What Flex does
Flex Power Modules is a division of Flex Ltd. (NASDAQ: FLEX, formerly Flextronics International), specializing in advanced board-mounted DC/DC power conversion solutions for data center, telecom, industrial, and transportation applications. The business, headquartered in Kalmar, Sweden, has over 45 years of experience and has shipped more than 150 million units to over 300 customers worldwide. Its product portfolio spans isolated and non-isolated converters, digital and analog Point-of-Load regulators, Intermediate Bus Converters (IBCs) with multiple fixed ratios (4:1, 6:1, 8:1, 10:1), Vertical Power Delivery (VPD) modules for high-current AI processors, and 800 VDC modules delivering up to 15 kW peak power for next-generation data center architectures. Technical differentiators include power density up to 368 W/cm³ (BMR323), 93% efficiency for 5G/6G RF applications, proprietary digital control with PMBus interface, and a system-level simulation tool called Flex Power Designer. The portfolio is protected by more than 155 patents globally.
The company operates an asset-light design and high-volume manufacturing footprint with design centers in Sweden and China, and production facilities in Sweden, China, Malaysia, and Austria (the latter added in December 2025 to support AI demand). It serves four primary segments: data center (the largest, driven by AI/ML, cloud, and hyperscale workloads), telecom (5G/6G RF, routers, base stations), industrial and transportation (rail, robotics, factory automation with EN50155 compliance), and automotive (compute platforms and power electronics). Go-to-market is primarily indirect through a global distribution network that includes DigiKey, Mouser Electronics, Avnet, TTI, Richardson RFPD, and dozens of regional distributors, supplemented by direct sales for custom solutions. The company is a core technology partner with Renesas Electronics (2025), AMD-Xilinx (2021), and onsemi (2022), and collaborates with the O-RAN Alliance and JetCool for liquid cooling integration.
The business model is hardware sales of standard and custom power modules, complemented by evaluation boards, design tools (Flex Power Designer), and engineering services. Pricing is quote-based, tied to specifications, volume, and customer requirements, typically contracted on multi-year cycles. Revenue is not separately disclosed by Flex Ltd., but the unit economics are typical of a specialty power component business: high-volume standard products generate recurring revenue, while custom Vertical Power Delivery modules and 800 VDC products command premium margins tied to AI infrastructure capex. The company is ISO 9001, 14001, and 45001 certified, holds RBA Factory of Choice status, and the broader Flex Ltd. parent provides balance sheet and operational support.
Flex firmographics
Firmographics- Name
- Flex
- Legal name
- Flex Ltd. (Flextronics International, Ltd.)
- Website
- https://flexpowermodules.com
- Company type
- Public
- Founded year
- 1980
- Operating status
- Operating
- Short description
- Flex Power Modules, a division of Flex Ltd. (NASDAQ: FLEX), designs and manufactures high-efficiency board-mounted DC/DC power converters, Intermediate Bus Converters, and 800 VDC modules for data center, telecom, industrial, and transportation customers across 300+ accounts globally.
- Ownership category
- akta.pro rank
Flex industry classification
Industry- Product category
- Power Electronics / DC/DC Converters
- NAICS
- Relay and Industrial Control Manufacturing (335314), Power, Distribution, and Specialty Transformer Manufacturing (335311)
- SIC
- Electronic & Other Electrical Equipment (No Computer Equip) (3600), Electronic Coils, Transformers & Other Inductors (3677)
- akta.pro primary industry
- DC-DC Converters & Power Modules (Isolated/non-isolated, POL modules) (IMAGADAB)
- akta.pro secondary industries
- High-Voltage & High-Power Conversion (HVDC supplies, traction/rail converters, large rectifiers) (IMAGADAH), DC-AC Inverters (Industrial inverters, standalone/embedded) (IMAGADAC), Power Electronics Manufacturing (Inverters/DC-DC/Onboard Chargers) (IMACACAD)
Keywords
Where Flex is headquartered
LocationHeadquarters
- HQ city
- Kista
- HQ country
- Sweden
- HQ region
- Europe
Offices4 records
Markets served
Flex business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Standard Power Modules: Sales of standard board-mounted DC/DC converters including isolated and non-isolated, digital and analog variants. Products sold in various form factors (quarter-brick, eighth-brick, sixteenth-brick) for data center, telecom, and industrial applications.
- Custom Power Solutions: Customized embedded power solutions designed to meet specific customer requirements for unique applications and demanding power needs.
- Software Tools and Services: Flex Power Designer software tool for system-level simulation and configuration, along with technical support and engineering services.
- Evaluation Boards and Tools: Evaluation boards and design tools that provide convenient platforms for testing and validating DC/DC converters in real-world applications.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Standard DC/DC Power Modules - Quote-based pricing |
Go-to-market motion1 record
Distribution channels9 records
Marketing channels6 records
Flex product offering
Product offeringCore offering
Flex Power Modules designs, manufactures, and sells high-efficiency board-mounted DC/DC power converters and intermediate bus converters (IBCs) ranging from 1 W to 15 kW peak power. The portfolio includes isolated and non-isolated, digital and analog modules in quarter-brick, eighth-brick, and sixteenth-brick form factors, plus 800 VDC modules and Vertical Power Delivery (VPD) solutions for AI/data center, telecom, industrial, and transportation applications. The company also provides the Flex Power Designer software tool for system-level simulation and configuration, along with custom power solutions and engineering services.
Product overview
Flex Power Modules is a global leader in advanced power conversion solutions, offering a comprehensive portfolio of board-mounted DC/DC converters. The product line includes: Flex Power Designer software tool for system-level simulation, thermal modeling, and configuration; isolated DC/DC converters (BMR491 series) up to 2.5 kW peak power in digital and analog variants; non-isolated regulated digital IBCs (BMR352 series) up to 3.8 kW peak power; non-isolated unregulated fixed-ratio digital IBCs (BMR316, BMR323 series) up to 3 kW peak power; 800 VDC modules (BMR720, BMR515) delivering up to 15 kW peak power for next-gen architectures; Vertical Power Delivery (VPD) customized modules for high-current applications; Point of Load converters (BMR473) up to 80 A output current; Voltage Regulator Modules (BMR510) with up to 160 A peak output; and industrial/transportation converters (PKE, PKU-S series) with safety certifications. The portfolio serves data centers, telecom, cloud computing, AI, industrial automation, and railway systems applications.
Differentiator
Problem solved
Functional benefit
Brands
- Flex Power Designer: Software tool for system-level simulation, thermal modeling, and configuration of digital power modules.
Products and services
- Flex Power Designer
Quantifiable outcome
- Power density up to 368 W/cm3 with BMR323
- +3 more outcomes
Companies that use Flex
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles4 records
Flex technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Flex partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- Renesas ElectronicscoreFlex Power Modules partners with Renesas to deliver next-generation power management solutions for various applications including AI data centers and telecom infrastructure.
- onsemicoreJoint development of ultra-small Intermediate Bus Converter (IBC) with onsemi, combining power module expertise with semiconductor capabilities.
- AMD XilinxcoreFlex Power Modules joined the AMD-Xilinx Partner Program, enabling integration with Xilinx/AMD FPGA power estimation tools and co-development of power solutions for AMD processor platforms.
- O-RAN AlliancecoreFlex collaborates closely with the O-RAN Alliance to support the evolution of 5G networks through optimized power solutions for Radio Access Network equipment.
Scale indicators8 records
Recent moves6 records
Expansion highlights5 records
Flex competitors and assessment
Company assessmentDirect peers
- Murata Power Solutions: Murata Power Solutions is a division of Murata Manufacturing producing isolated and non-isolated DC/DC converters, POL regulators, and bus converters for telecom, networking, industrial, and computing applications. It directly overlaps with Flex Power Modules' standard quarter-brick and brick-format product lines for OEMs and contract manufacturers.
- Vicor Corporation: Vicor is a US-based specialist in high-density DC/DC converters, intermediate bus converters, and point-of-load modules targeting data center, AI, and high-performance computing applications. It is the closest direct competitor to Flex Power Modules' quarter-brick and IBC portfolio serving AI and telecom customers.
- TDK-Lambda (TDK Corporation): TDK-Lambda is one of the largest global manufacturers of DC/DC converters, AC/DC power supplies, and programmable power supplies serving industrial, telecom, and data center markets. It competes head-to-head with Flex Power Modules in board-mounted DC/DC modules and has comparable scale in distribution channels.
- Advanced Energy (Artesyn Embedded Power): Advanced Energy, including the Artesyn Embedded Power portfolio, manufactures high-efficiency DC/DC converters, IBCs, and digital power modules for data center, telecom, and industrial OEMs. It competes directly with Flex Power Modules in regulated and unregulated brick-format converters serving hyperscale and 5G customers.
Emerging players
- RECOM Power: RECOM Power is a specialized manufacturer of AC/DC and DC/DC converters with strong presence in low- to mid-power DC/DC modules for industrial, IoT, and railway applications. It overlaps with Flex Power Modules' lower-power PKE/PKU-S industrial and transportation portfolio and competes for European rail and industrial design-ins.
- Mornsun Power Supply: Mornsun is a Chinese power conversion specialist producing DC/DC converters, AC/DC modules, and signal conditioning for industrial automation, rail, and renewable energy. It competes with Flex Power Modules in industrial and transportation DC/DC modules and is gaining share in Asia-based customers seeking cost-competitive alternatives.
- SynQor: SynQor is a US-based specialist in high-efficiency isolated and non-isolated DC/DC converters and military-grade power modules. It targets defense, industrial, and rail applications with ruggedized converters and overlaps with Flex Power Modules' PKE/PKU-S transportation and industrial product lines.
- CUI Inc. (CUI Devices): CUI Devices is a US-based manufacturer of DC/DC converters, audio components, interconnect, motion, and thermal management products. It competes with Flex Power Modules in lower-wattage isolated and non-isolated DC/DC modules distributed through DigiKey and Mouser for industrial and IoT customers.
Broad incumbents
- Bel Fuse: Bel Fuse designs and manufactures power conversion and connectivity products including DC/DC converters, magnetics, and circuit protection, serving industrial, telecom, and e-mobility markets. It is a broader incumbent with overlapping DC/DC and power module offerings compared to Flex Power Modules.
- Delta Electronics: Delta is a broad power and thermal management incumbent with a sizeable DC/DC converter and power module portfolio for data centers, telecom, and industrial automation. As a much larger, publicly listed Taiwanese conglomerate, it competes with Flex Power Modules in AI server and telecom power while also serving adjacent AC/DC, UPS, and cooling markets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Flex social profiles
Digital presenceFlex compliance and trust
Trust signalCompliance6 records
Flex financial estimates
Financial estimateRevenue estimate
Valuation estimate
Flex leadership team
Management profileNumber of profiles
Flex subsidiaries and ownership
Company hierarchySubsidiaries9 records
Flex funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Flex M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Flex
What does Flex do?
Flex Power Modules designs, manufactures, and sells high-efficiency board-mounted DC/DC power converters and intermediate bus converters (IBCs) ranging from 1 W to 15 kW peak power. The portfolio includes isolated and non-isolated, digital and analog modules in quarter-brick, eighth-brick, and sixteenth-brick form factors, plus 800 VDC modules and Vertical Power Delivery (VPD) solutions for AI/data center, telecom, industrial, and transportation applications. The company also provides the Flex Power Designer software tool for system-level simulation and configuration, along with custom power solutions and engineering services.
Is Flex a public or private company?
Flex is a public company. It is classified as public and is currently operating.
When was Flex founded?
Flex was founded in 1980.
Where is Flex based?
Flex is headquartered in Kista, Sweden, in the Europe region.
How does Flex make money?
Four revenue lines are on record. Standard Power Modules are the primary driver. The others are custom Power Solutions, software Tools and Services and evaluation Boards and Tools.
Who are Flex's main competitors?
Direct peers on record are Murata Power Solutions, Vicor Corporation, TDK-Lambda (TDK Corporation) and Advanced Energy (Artesyn Embedded Power). Emerging players are RECOM Power, Mornsun Power Supply, SynQor and CUI Inc. (CUI Devices). Broad incumbents are Bel Fuse and Delta Electronics.
Does Flex have an API?
No public API is recorded for Flex.
What industry is Flex in?
Flex's product category is Power Electronics / DC/DC Converters. Its primary akta.pro industry code is IMAGADAB, DC-DC Converters & Power Modules (Isolated/non-isolated, POL modules), with a secondary code of IMAGADAH, High-Voltage & High-Power Conversion (HVDC supplies, traction/rail converters, large rectifiers). Its NAICS code is 335314 and its SIC code is 3600.