Technical
FeNi Powder Core Loss at 1 MHz: The Impact of Flux Density
Explore measured FeNi powder core loss at 1 MHz and 100°C, and see how flux density affects material evaluation for high-frequency power inductors.
技術資料庫
磁性材料與功率電感技術筆記
來自工程團隊的對比指南、選型筆記與實測資料——面向正在選擇鐵鎳粉芯與鐵氧體磁芯的設計工程師。
技術文章正文為英文。
38 篇文章
Sourcing
Custom Ferrite Cores for High-Frequency Transformers
Custom ferrite cores for high-frequency transformers: when a catalogue core is not enough, what to specify, material grade and geometry selection, tooling, sampling and verification steps.
Sourcing
Custom Molded Power Inductors: Development and Sourcing Guide
Custom molded power inductor development and sourcing: what to specify, material and winding selection, tooling, sampling timelines, verification steps and supply planning.
Applications
FeNi Powder Cores for Server Power Supplies
FeNi powder cores for server power supplies: how high-current output stages, DC bias and rack thermal limits shape magnetic core selection for modern server power architectures.
Applications
FeNi Powder Cores for Telecom Power Systems
FeNi powder cores for telecom power systems: 48V DC plant architecture, rectifier and DC-DC stages, wide-temperature outdoor cabinets and high-current filtering requirements.
Applications
Ferrite Cores for EV Charging Systems
Ferrite cores for EV charging systems: isolated DC-DC stages, on-board charger topologies, auxiliary power supplies, EMI filtering and automotive qualification requirements.
Applications
Ferrite Cores for Isolated DC-DC Converters
Ferrite cores for isolated DC-DC converters: flyback, forward, push-pull, half-bridge and full-bridge topologies, gapped versus ungapped cores and how topology drives transformer selection.
Applications
Ferrite Cores for LLC Resonant Converters
Ferrite cores for LLC resonant converters: resonant tank behavior, gapped core requirements, transformer and resonant inductor roles, loss considerations and core selection criteria.
Applications
Ferrite Cores for Phase-Shifted Full-Bridge Converters
Ferrite cores for phase-shifted full-bridge converters: leakage inductance in the ZVS transition, ungapped transformer design, flux balancing, duty-cycle loss and core selection criteria.
Applications
Molded Power Inductors for Automotive Electronics
Molded power inductors for automotive electronics: ADAS processor rails, ECU power supplies, automotive DC-DC converters, thermal cycling, vibration and AEC-Q200 qualification.
Applications
Molded Power Inductors for Industrial Electronics
Molded power inductors for industrial electronics: wide input voltage ranges, harsh environments, long service life, thermal design and selection criteria for industrial power supplies.
Applications
Molded Power Inductors for POL Converters
Molded power inductors for POL converters: low-voltage high-current rails, MHz switching, transient response, DCR, saturation and thermal limits on dense boards.
Applications
Molded Power Inductors for Server Power Systems
Molded power inductors for server power systems: low-voltage high-current rails, board density, vertical power delivery, DCR and saturation trade-offs and thermal design in dense systems.
Technical
FeNi vs Sendust Powder Cores: Comparison for PFC & High-Current Inductors
FeNi vs Sendust powder cores: saturation (Bs), core loss, DC bias stability, permeability, temperature and cost. Choose the right powder core for PFC, high-current inductors and EMI filters.
Selection Guide
High Current Power Inductors: Design, Material Selection & Loss Guide
High current power inductor design guide: core material selection (FeNi vs ferrite vs Sendust), DC bias saturation, core loss calculation, DCR, thermal management and sizing for EV, server and solar.
Applications
Solar Inverter Inductors: Boost, PFC & EMI Filter Core Selection
Solar inverter inductor selection: boost stage, PFC stage and EMI filter. Core material comparison (FeNi, Sendust, ferrite) for string inverters, microinverters and three-phase solar systems.
Technical
Magnetic Powder Core Classification: IEC 63299 Guide
IEC 63299 magnetic powder core classification explained: material families, permeability codes, grades and typical magnetic properties for powder core selection.
Technical
EE vs ETD Ferrite Cores: When to Use Each
EE vs ETD ferrite cores: rectangular vs round winding windows, copper fill, power range, EMI and cost. Choose the right transformer core for your design.
Technical
ER Ferrite Cores for High-Power Transformers
ER ferrite cores for high-power transformers: round center leg and window improve copper fill and reduce loss. Applications in SMPS, PFC and LLC converters.
Technical
FeNi vs MPP Powder Cores: Comparison & Selection Guide
FeNi vs MPP powder cores for high-current inductors: permeability, saturation, core loss, DC bias, temperature and cost. Choose the right alloy core.
Applications
Ferrite Cores for DC-DC Converters
How to select ferrite cores for DC-DC converters: buck/boost inductor design, transformer cores, frequency and current limits, and when powder cores win.
Technical
Ferrite Cores for High-Frequency Transformers
How to select ferrite cores for high-frequency transformers: MnZn material grades for 100 kHz–1 MHz+, core shapes, core loss and saturation flux limits.
Applications
Ferrite Cores for SMPS: Transformer & Inductor Guide
How to choose ferrite cores for SMPS: transformer and inductor selection by frequency, power, core loss and shape. MnZn ferrite for switch-mode supplies.
Applications
Ferrite Cores for Solar Inverters
Ferrite cores for solar inverters: MPPT boost inductors, DC-AC transformer cores, high-temperature outdoor operation and when FeNi powder cores win.
Sourcing
Ferrite Core Manufacturer in China: Sourcing Checklist
Ferrite core manufacturer in China: what to check before sourcing — quality systems, material grades, tooling, testing, samples and factory capabilities.
Selection Guide
Ferrite Core Shapes Guide: E, EI, PQ, RM & Toroid
Ferrite core shapes explained: E, EI, EFD, PQ, RM, toroid, pot and planar. Compare winding area, EMI, profile and applications.
Technical
Ferrite Core Material Properties Guide
Ferrite material properties: permeability, core loss, saturation flux density, resistivity, impedance and Curie temperature, with datasheet tips.
Sourcing
High-Frequency Inductor Manufacturer: RFQ Guide
High-frequency inductor manufacturer RFQ guide: what to specify (frequency, current, inductance, thermal, size) and what to verify in testing and qualification.
Selection Guide
Magnetic Components for Power Electronics: Guide
Inductors, transformers, chokes and cores for power electronics: how to select them and what to verify when sourcing from a magnetic components manufacturer.
Selection Guide
MnZn vs NiZn Ferrite: Selection Guide
MnZn vs NiZn ferrite: permeability, resistivity, frequency range and loss compared. Choose the right material for transformers, EMI chokes and power inductors.
Sourcing
NiFe Core Manufacturer: Capabilities to Verify
NiFe (iron nickel) core manufacturer capabilities to verify: alloy control, permeability grades, pressing and heat treatment, testing, AEC-Q200 qualification.
Selection Guide
Power Inductors for Power Supplies: Spec Guide
Power inductor specification guide: inductance, saturation current, DCR, core loss, temperature rise and size, with a manufacturer RFQ checklist.
Technical
Ferrite Core vs Iron Nickel Core: Complete Comparison
Compare ferrite vs iron nickel (FeNi) powder cores: saturation flux density, core loss, DC bias, temperature range, EMI and cost. See which core material fits your power inductor design.
Selection Guide
How to Select Magnetic Core Material for High Frequency Applications?
How to choose magnetic core material for high-frequency inductors: core loss, permeability stability, saturation and cost. FeNi vs ferrite vs Sendust vs MPP selection guide for MHz power electronics.
Sourcing
How to Choose a Reliable Inductor Manufacturer?
How to choose a reliable inductor and magnetic core manufacturer: capacity, certifications (IATF 16949, AEC-Q200, ISO), engineering support, lead time and supply chain stability.
Applications
Choosing Inductors for AI GPU VRM (H100, B200)
How to choose inductors for AI GPU VRM designs (H100, B200): MHz switching frequency, high-current density, core loss, DC bias stability and thermal performance.
Applications
The Role of Inductors in EV Charging Systems
How inductors work in EV chargers and OBC: PFC boost, LLC resonant, EMI filtering and output filtering. Requirements for 800V platforms and AEC-Q200 FeNi cores.
Technical
What Are Powder Cores? FeNi, Sendust and MPP Explained
What are powder cores? How FeNi, Sendust and MPP powder cores work, their permeability, saturation and loss differences, and which to choose for power inductors.