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10uH High Current Toroidal Choke Inductor AS777026 for Solar Inverter UPS OBC
AS777026 10uH High Current Toroidal Inductor for PFC, Boost & Output Filtering. This 10uH high current toroidal power inductor features a closed magnetic core wound with multi-strand thick copper wire. Designed for high-power switching applications where low DCR, low temperature rise and low EMI radiation are critical — including PFC/boost stages, UPS and inverter output filters, solar (PV) and energy-storage converters, OBC and EV charging modules, and industrial SMPS. The component is supplied on a PCB base plate with fully sleeved lead-out wires for direct and safe mounting into customer power boards.
Key Features
Toroidal closed magnetic core — minimizes flux leakage and external interference, facilitating EMC testing compliance
Multi-strand thick copper winding — provides ultra-low DCR and low temperature rise under continuous high current
Fully sleeved windings — high insulation level on every lead-out, preventing insulation breakdown and creepage failures
Stable 10uH inductance with soft saturation behaviour, maintaining ripple current control across the load range
Epoxy-bonded to PCB base plate — strong mechanical fixing, vibration resistant, suitable for automatic or manual assembly
Wide operating temperature range (-40°C ~ +125°C) for outdoor, industrial and automotive-grade environments
Full customization (ODM/OEM) — inductance, current rating, core material, wire gauge, terminal style and base size tailored to your specifications
Technical Specifications
Model Number
AS777026
Product Type
High current toroidal inductor / PFC & boost inductor / output filter choke
Sendust / High Flux / Ferrite / Nanocrystalline (selected per frequency & current)
Winding Wire
Multi-strand pure copper wire (Litz wire optional for high-frequency designs)
Insulation
Fully sleeved windings; insulation class B / F / H optional
Hi-Pot Test
1500 ~ 3000VAC / 1 minute (wire to wire)
Mounting Type
PCB base plate + flying leads, through hole (vertical / horizontal)
Operating Temperature
-40°C ~ +125°C
Compliance
RoHS & REACH compliant materials; produced under ISO9001 / IATF16949 quality system
Service
OEM / ODM, drawing within 3 days, samples within 7 days
Note: rated current, saturation current and DCR depend on the final core size and wire gauge. Send us your working voltage, switching frequency, ripple and current requirement and our engineers will confirm the exact data sheet for your design.
Applications
PFC and boost stages in switching power supplies (SMPS)
Solar / PV inverters, energy storage systems (ESS) and hybrid inverters
UPS, industrial power supplies and welding machines
EV on-board chargers (OBC), DC-DC converters and charging piles
LED drivers, servo drives, frequency converters and EMI/output filters
Why Choose Us
Magnetics manufacturer with in-house winding, varnishing, potting and testing lines
Engineering support: we design from your electrical spec, not only from a part number
100% inspection of inductance, DCR and Hi-Pot before shipment; temperature-rise and saturation reports available
Flexible MTO capacity for both prototype quantities and mass production schedules
FAQ
Q1: Can the inductance be changed from 10uH to another value?
Yes. The AS777026 platform covers 1uH to 10mH. Tell us the target inductance, DC bias current and switching frequency, and we will re-calculate the core and turns.
Q2: Which core material will you use for my design?
Sendust and High Flux are typical for high DC-bias PFC/boost applications; ferrite or nanocrystalline is used for high-frequency or common-mode filtering. Our engineers choose the material based on your frequency and loss budget.
Q3: Do you provide samples?
Yes. Drawing confirmation within 3 days and samples within about 7 days after specification is frozen.
Q4: What is the lead time for mass production?
Typically 15 - 25 days after sample approval and PO confirmation, depending on quantity and material availability.
Q5: Can you make the product to our own drawing or UL/safety requirement?
Yes. Full OEM/ODM is supported, including customer drawings, UL-recognized insulation materials, triple insulated wire (TIW) and specific creepage/clearance requirements.
Need a 10uH high current inductor for your power board? Send your inductance, rated current, switching frequency and mounting size — we will reply with a drawing and quotation within 24 hours.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
28820000-29820000
Employee Number:
400~450
Ecer Certification：
Verified Supplier
Chipsen Electronics - Supplier to Fortune Global 500 Companies
Magnetic Components Engineered for Performance & Reliability
Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches.
...
Chipsen Electronics - Supplier to Fortune Global 500 Companies
Magnetic Components Engineered for Performance & Reliability
Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches.
...
