What Premier Magnetics does

Premier Magnetics, Inc. is a privately held designer and manufacturer of magnetic components founded in 1991 and headquartered in Lake Forest, California. The company produces a standard catalog of UL/CSA-recognized power magnetics, DC/DC converters (0.25W–60W, up to 6KV isolation, up to 99% efficiency), LAN/COM magnetics for 10/100/1000/2.5G/10G Base-T Ethernet, MIL-STD-1553/MIL-PERF-21028 data bus transformers, RJ45 connectors with integrated magnetics, LED transformers and inductors, and EMI/RFI common mode filters, alongside custom design services and turnkey PCB assembly. Its core technology is in electromagnetic component design, with notable capabilities including planar transformers (200–700 KHz, up to 250W), frequency-optimized topologies for Power Integrations, Texas Instruments, Infineon, and other IC families, and reference designs covering TOPSwitch, InnoSwitch, LYTSwitch, Hiper, and LinkSwitch controllers.

The business operates a B2B OEM sales model with engineering-driven technical support, fast-turn prototypes (2–3 days), same/next-day custom designs, and >98% on-time delivery. Premier Magnetics serves 300+ OEM customers across aerospace, military/defense, medical, Pro AV, lighting, industrial, EV charging, smart metering, computing, and communications, with named relationships at Boeing, Airbus, Honeywell, Collins Aerospace, Lockheed Martin, Raytheon, Northrop Grumman, Panasonic, Sleep Number, Extron, Eaton, and Ametek. Revenue derives from hardware sales of standard products, custom design and manufacturing services, and PCB/professional services assembly, priced on a quote basis with volume-production unit pricing and multi-year contracts. Manufacturing is distributed across Southern California, Taiwan, Vietnam, and China; sales and distribution are delivered through a network of regional reps (REPTRONICS, ROBCO SALES, Computer Controls across 8+ European countries, Telegent in Taiwan) plus direct factory sales and an Avnet distribution partnership. The company is founder-controlled (Jim Earley, CEO; Dennis Earley, President), holds ISO 9001:2015 certification, and has been a Tier-1 supplier to Boeing and Airbus.

Name

Premier Magnetics

Legal name

Premier Magnetics, Inc.

Website

https://premiermag.com

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

11–50 employees

Short description

Premier Magnetics is a privately held, Lake Forest, California-based designer and manufacturer of magnetic components — including transformers, DC/DC converters, LAN magnetics, MIL-STD-1553 data bus transformers, RJ45 connectors, and EMI/RFI filters — serving 300+ OEM customers in aerospace, military, medical, Pro AV, lighting, and industrial markets with manufacturing in the US, Taiwan, Vietnam, and China.

Ownership category

akta.pro rank

Product category

Magnetic Components / Power Magnetics Manufacturing

NAICS

Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing (334416), Power, Distribution, and Specialty Transformer Manufacturing (335311), Electrical Equipment Manufacturing (33531)

SIC

Electronic Coils, Transformers & Other Inductors (3677), Power, Distribution & Specialty Transformers (3612), Printed Circuit Boards (3672)

akta.pro primary industry

Transformers & Magnetics (Power/Signal) (HDAHANAD)

akta.pro secondary industries

Inductors & Coils (Power/RF/Chokes) (HDAHANAC), PCB Assembly (PCBA/EMS) (HDAHAOAI), Military Power Supplies, RF/Microwave Components & Ruggedized Electronics (IMABAGAJ)

Keywords

• Power magnetics manufacturing
• Custom transformers inductors
• DC-DC converters modules
• EMI RFI filters
• LAN magnetics connectors

Headquarters

HQ city

Lake Forest

HQ country

United States

HQ region

North America

Offices13 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Standard Magnetics Products: Sale of standard magnetic components including power supply transformers, DC/DC converters, RJ-45 connectors, current inductors, MIL-1553 Data Bus transformers, and LAN magnetics. Hundreds of UL/CSA recognized products available from catalog.
2. Custom Design & Manufacturing: Custom magnetic component design and manufacturing services for unique application requirements, including custom transformers, inductors, chokes, DC-DC Converters, and RJ45 Connectors with integrated magnetics. Includes plastic injection molding and value-added operations.
3. PCB Assembly Services: Turnkey PCB assembly services supporting complete assemblies integrating company magnetics or customer-specified BOMs, including prototyping, SMT, through-hole, conformal coatings, and functional testing.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels6 records

Core offering

Premier Magnetics designs and manufactures standard and custom electromagnetic components, including power magnetics (transformers, inductors, chokes), DC-DC converters, LAN and COM magnetics, MIL-STD-1553 data bus transformers, RJ45 connectors with integrated magnetics, LED transformers and inductors, and EMI/RFI filter components. The company also provides value-added offerings such as turnkey PCB assembly services integrating magnetic components with customer-specified BOMs, plastic injection molding, and conformal coating, serving OEM customers across aerospace, military, medical, Pro AV, lighting, industrial, communications/networking, and energy/EV charging applications globally.

Product overview

Premier Magnetics is a magnetics design and manufacturing company offering an extensive portfolio of standard and custom electromagnetic components. The core product line centers on power magnetics (transformers and inductors for power supplies), DC/DC converters, LAN/COM magnetics, data bus transformers, RJ45 connectors, LED drivers, and EMI/RFI filter components. Value-added offerings include custom circuit design, turn-key PCB assembly services, and precision injection molding. Products are designed for IC-specific reference designs with leading semiconductor manufacturers including Power Integrations, Texas Instruments, Infineon, Analog Devices, Maxim, and ON Semiconductor. The company serves diverse industries including aerospace, military, medical, lighting, industrial, EV charging, and communications.

Differentiator

Problem solved

Functional benefit

Products and services

• Power Magnetics Standard catalog of power magnetics including flyback transformers, isolation transformers, current sense transformers, EMI/RFI common mode suppression inductors and chokes, radial lead drum inductors, and toroidal inductors used in switch-mode power supplies, linear power supplies, and DC-DC converters, available in hundreds of UL/CSA recognized configurations for OEM customers across industrial, communications, and power-conversion applications.
• DC / DC Converters Fully integrated, PCB-mounted DC/DC converters in encapsulated SIP, DIP, and rectangular packages with single or multiple outputs, 0.25W to 60W power range, isolation up to 6KV, and efficiency up to 99%, designed for OEM power-conversion applications requiring compact, drop-in modules.
• LAN & COM Magnetics Isolation, impedance matching, and coupling magnetics for broadband networking and computer LAN applications including 10/100/1000/2.5G/10G Base-T Ethernet, PoE/POE+, wideband RF, FDDI, ATM, and telecom magnetics for T1/E1/CEPT/ISDN-PRI, T3/DS3/E3/STS-1, and DSL/ADSL applications.
• Data Bus Transformers MIL-STD-1553 and MIL-PERF-21028 compliant data bus transformers for isolation and coupling in defense, aerospace, and mission-critical applications including fly-by-wire flight control, JDAM guided munitions, and air traffic control systems.
• RJ45 Data Connectors RJ45 connectors with integrated magnetic coupling and filtering transformers available in single, dual, and quad jack configurations with stacked RJ45 and USB connector options for space-saving packages, designed for 10/100/1000Base-T Ethernet LAN applications.
• LED Transformers & Inductors LED transformers and inductors for commercial and industrial lighting applications designed for Power Integrations LNK and LYT series driver controllers, providing greater than 90% high efficiency and high power factor performance, and compliant with UL/IEC 60950 Safety Standards and UL/CSA/IEC Class B insulation.
• EMI/RFI Filter Components EMI/RFI filtering solutions including common mode chokes, suppression inductors, isolation transformers, and signal integrity components for attenuation of common mode and differential mode noise in power supply applications, including replacements for discontinued Murata EMIFIL components.
• Value-Added Offerings Custom circuit design support and turnkey PCB assembly services integrating magnetic components with customer-specified BOMs, including plastic injection molding, precision molded plastics, conformal coatings, SMT and through-hole assemblies, and functional testing for OEM customers.
• Frequency-Optimized Planar Transformers Planar transformers rated up to 250W, frequency-optimized for forward converter, full/half bridge, and active clamp topologies operating between 200 KHz and 700 KHz, designed for OEM power-conversion applications requiring low-profile, high-efficiency magnetic components.
• E-Bike Charging Reference Design Magnetics Eight magnetic component families developed to support Power Integrations' e-bike charging reference designs for fast, reliable, and efficient two-wheeler EV charging applications.
• PM-R Series Drum Cores Low-cost PM-R Series inductors featuring high energy (high peak current) and low DCR for EMI filtering and switch-mode power supply applications.
• POL-HX Series Switch-Mode Transformers POL-HX Series switch-mode transformers designed to complement Power Integrations' TOPSwitch-HX Family of EcoSmart integrated off-line switcher ICs for switch-mode power supply applications.
• LinkSwitch Transformers Family of off-line switch-mode LinkSwitch transformers designed for Power Integrations' LinkSwitch IC family for off-line switch-mode power supply applications.
• Fly-Buck Converter Transformers Transformer products with topology and electrical characteristics configured specifically for use with Texas Instruments' Fly-Buck isolated synchronous buck converters.

Quantifiable outcome

• Same/next-day custom design capability with in-house prototype lab
• +6 more outcomes

Named customers22 records

Segments9 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Power IntegrationscoreTechnology or IntegrationStrategic partnership providing the largest line of standard PI magnetics. Premier Magnetics specializes power magnetics supporting Power Integrations controllers and understands power supply design down to the circuit level. Reference designs include TOPSwitch-HX, InnoSwitch, LYTSwitch, Hiper, LinkSwitch, and other Power Integrations IC families.
• AvnetcoreChannel Partner/ Reseller/ DistributorDistribution partnership through Avnet for transformer and choke services. Avnet Abacus partnership for European distribution.
• Power Sources Manufacturers Association (PSMA)minorOthersIndustry association membership promoting worldwide understanding, development, and growth of magnetic devices and materials.
• The Transformer Association (TTA)minorOthersIndustry association membership for magnetics industry networking and development.
• International Magnetics Association (IMA)minorOthersIndustry association membership for networking with leading industry management and technical experts in magnetics.
• Holt Integrated CircuitscoreStrategic or Co-development PartnerPremier Magnetics provides complementary MIL-SPEC-1553 Data Bus transformers to support Holt's successful MIL-SPEC-1553 Transceiver Line.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Coilcraft: US-headquartered magnetics manufacturer offering inductors, transformers, and filters across power, RF, and signal-conditioning applications. Highly comparable product overlap with Premier's catalog power magnetics, chokes, and LAN magnetics.
• Bel Fuse: Designs and manufactures magnetics, modules, and circuit protection, including integrated magnetics for networking. Direct overlap with Premier's RJ45 filter connectors and LAN/COM magnetics serving aerospace, military, and industrial customers.
• Pulse Electronics (Yageo/Abracon group): Specialist in power magnetics, LAN magnetics, and RJ45 integrated connectors — directly competing product portfolio for Ethernet/PoE, broadband, and telecom magnetics served by Premier's LAN & COM magnetics and RJ45 lines.
• Bourns: Manufacturer of magnetics, transformers, and circuit protection components serving industrial, automotive, and communications markets. Significant product overlap in inductors, chokes, and isolation transformers.
• Triad Magnetics (Amphenol): US magnetics manufacturer specializing in transformers, inductors, and chokes for audio, medical, industrial, and military applications. Comparable custom/standard magnetics portfolio served through similar channels.
• Signal Transformer (Bel group): Manufacturer of transformers, inductors, and chokes for power conversion. Directly comparable in transformers and inductors used in switch-mode power supplies and DC-DC applications.

Broad incumbents

• Vishay Intertechnology: Large global supplier of passive components including inductors, transformers, and magnetics for automotive, industrial, military, and computing. Overlapping product portfolio and customer types — operates at much greater scale.
• TDK Corporation: Global electronics group producing transformers, inductors, chokes, and EMI filters across consumer, automotive, industrial, and energy markets. Overlapping catalog magnetics and broader portfolio compels broader commercial overlap with Premier.
• Würth Elektronik eiSos: Global electronic component manufacturer with a deep magnetics catalog (WE-LHMI, WE-FLEX, WE-TI transformers). Overlaps with Premier on power magnetics, chokes, LAN magnetics, and customer base in industrial and communications.

Others

• Eaton: Premier magnetics customer and an industrial conglomerate with significant in-house magnetics and power-electronics capability. Listed because Eaton serves as both a customer reference and adjacent magnetics player across industrial markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/premier-magnetics
• Xx.com/PremierMagINC

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 Premier Magnetics