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High Current Heavy Wire Power Choke Coil for Solar Inverter Energy Storage System
The AS777026 10uH Heavy-Duty Toroidal Inductor is an industrial-grade magnetic component specifically designed for high-efficiency energy storage in Power Factor Correction (PFC) and boost converter stages. Built upon the industry-standard AS777026 Sendust core, this inductor is optimized for high-power environments where continuous DC current exceeds 100A. It serves as a robust solution for 10kW to 50kW power modules, providing stable inductance and low losses required for modern high-density power electronics.
Technical Specifications
Parameter
Typical Value / Spec
Core Part Number
AS777026 (Industry Standard)
Core Dimensions
OD 77.8mm / ID 49.2mm / HT 15.9mm
Finished Dimensions
Approx. OD 85mm x HT 25mm (Incl. Winding)
Mounting Type
Vertical / Horizontal PCB Mount / Lead Wire
Nominal Inductance
10 uH
Inductance Tolerance
+/- 10% / +/- 15%
Rated Current (Irms)
80 A - 150 A (Based on Winding)
Peak Current (Isat)
Up to 200 A (Soft Saturation)
Max DCR (Resistance)
< 0.8 mOhm - 1.5 mOhm (Ultra-low)
Test Frequency
10 KHz / 100 KHz / 0.25V
Hi-Pot (Isolation)
2.5KV AC / 1min
Core Material
Sendust (Fe-Si-Al Alloy Powder)
Permeability (ui)
26 (Low mu for high current)
Saturation Flux (Bmax)
1.05 T (10500 Gauss)
Winding Wire
Heavy Gauge Copper / Multi-strand Litz Wire
Insulation Class
Class H (180°C) / Class N (200°C)
Operating Temperature
-40°C to +125°C (Incl. Temp Rise)
Compliance
RoHS, REACH, UL recognized
Product Features
Original AS777026 Core Geometry: Utilizes a massive 3-inch (77.8mm) toroidal core, providing large effective cross-sectional area to handle extreme magnetic flux without saturation
Sendust (Kool Mu) Material: Constructed with high-permeability Fe-Si-Al alloy powder, ensuring ultra-low core losses at high frequencies (up to 100kHz) and "Soft Saturation" profile
Heavy-Gauge Winding: Wound with high-purity, high-temperature enameled copper wire or flat copper busbars to minimize DC Resistance (DCR) and maximize current-carrying capacity
Low Radiated EMI: Naturally closed-loop toroidal shape effectively contains magnetic field, preventing electromagnetic interference with adjacent control circuits or communication lines
Technical FAQs
Why is the AS777026 core with a permeability of 26 (
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.
...