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Sendust Core Durable AS157 Toroidal Inductor for Professional Electronic
Place of Origin:
China
Brand Name:
CHIPSEN
Certification:
ISO9001:2015, IATF16949:2016, U/L, ROHS, CQC, CE, cUL
Model Number:
AS157
Minimum Order Quantity:
500pcs
Price:
＄3.5-5.8/pieces,1000-10000pcs
Packaging Details:
Blister trays + export cartons; palletized for bulk orders. Safe for heavy-duty transit. Custom available.
Delivery Time:
7-14 work days (Negotiable)
Payment Terms:
T/T
Supply Ability:
1000pcs
Inquiry Now
Get A Quote
Specifications
Highlight Features
Sendust core toroidal inductor
,AS157 fixed inductor
,professional electronic toroidal inductor
Certification:
ISO9001 2015, IATF16949 2016, ROHS, CQC, CE
Inductance:
Range 100uH-1000uH
Working Frequency Range:
50Hz-100KHz
Output Current:
15A
Components:
Magnetic Core, Copper Wire, Lead Wire
OEM/ODM:
Acceptable
Warranty:
5 Years
Highlight:
High Temperature Stability Low Magnetic Core Loss Superior High-current Handling
Product Description
Sendust Core Durable AS157 Toroidal Inductor for Professional Electronic
High-Efficiency Energy Solution: AS157 Industrial Toroidal Power Inductor
The AS157 Series Toroidal Inductor represents a pinnacle of high-current magnetic design, engineered specifically for rigorous industrial power conversion and energy storage tasks. Featuring an optimized 1.57-inch outer diameter core, this inductor provides the ideal balance between physical footprint and magnetic flux capacity.
Key Advantages
- Superior Magnetic Core Material: Utilizes high-saturation Sendust (Fe-Si-Al) or iron powder cores with soft saturation characteristics for stable performance during peak current surges
- Ultra-Low Core Loss: Distributed air-gap structure significantly reduces eddy current losses for higher system efficiency and cooler operation
- Integrated Spade Terminal Leads: Heavy-duty tinned copper spade terminals with protective insulation sleeves for rapid, secure, vibration-resistant installation
- Natural EMI Suppression: Toroidal shape provides self-shielding effect that traps magnetic flux within the core
- High Thermal Resilience: Rated for industrial-grade temperature ranges with Class H (180°C) or Class F (155°C) copper wire insulation
- Precision Winding Architecture: Dense, uniform winding ensures lowest possible DC resistance for maximum power throughput
Technical Specifications
| Technical Parameter | Standard Specification / Range |
|---|---|
| Model Designation | AS157 High-Current Toroidal Series |
| Inductance Range (L) | 100µH - 1.5mH (Customizable) |
| Rated Current (Irms) | 15A - 40A (Based on 40°C Temp Rise) |
| Saturation Current (Isat) | 20A - 55A (Based on 20% Inductance Drop) |
| DC Resistance (DCR) | 5.0mΩ - 45mΩ (Winding Dependent) |
| Core Material | Sendust (Fe-Si-Al) or Iron Powder |
| Core Dimensions (Approx) | OD: 40mm / ID: 24mm / HT: 15mm |
| Operating Frequency | 50Hz - 200kHz (Optimized for Filtering) |
| Insulation Class | Class H (180°C) Standard |
| Terminal Type | Spade Terminal (Spade Connector) |
| Mounting Style | Chassis Mount / Lead Wire Connection |
| Operating Temperature | -45°C to +125°C (Including Self-Heating) |
| Quality Standard | RoHS, REACH, ISO9001 Compliant |
Engineering Insight
The AS157 series utilizes magnetic cores with high flux density (1.0T to 1.5T), allowing the inductor to maintain energy storage capability under heavy loads. Powder cores offer gradual saturation decline, providing safety buffer for switching MOSFETs in DC-DC converters. Low DCR is achieved through oversized copper wire, minimizing losses and heat generation.
Advanced Manufacturing Features
The AS157 Toroidal Inductor excels through advanced material integration and precision manufacturing. The toroidal geometry features distributed air gaps within the material itself, ensuring uniform magnetic fields and complete containment.
- Spade Terminal Lead System: Tinned copper spade connectors professionally crimped and soldered for vibration-resistant industrial applications
- High-Flux Powder Core Technology: Proprietary Sendust blend prevents thermal aging, ensuring stable magnetic properties over decades of operation
- Precision Winding: Automated CNC machines ensure perfect spacing and tensioning for consistent electrical characteristics
- Environmental Ruggedness: Moisture-proof varnish and durable epoxy finish provide resistance to salt spray, humidity, and industrial chemicals
Industrial Applications
- Renewable Energy: Solar inverters and wind turbine power converters requiring maximum efficiency and outdoor temperature resilience
- Industrial Automation: Motor drives, CNC controllers, and UPS systems for EMI filtering and power surge protection
- Electric Vehicles: On-board chargers, DC-DC converters, and EV charging stations with high power density requirements
- Telecommunications: Server power supplies and rectifiers for data centers and 5G base stations with low EMI footprint
Manufacturer Profile: Chipsen Electronics
Chipsen Electronics is a professional manufacturer specializing in high-performance transformers and magnetic components, with over 26 years of manufacturing expertise.
- Founded in 2000 with 4 production bases covering 7,200+ square meters
- 400+ skilled employees ensuring stable production capacity and fast order delivery
- Certifications include ISO9001, ISO14001, IATF16949, UL Class B/F/H, CQC, RoHS, and REACH
- 36+ utility patents supported by robust in-house R&D team
- Full-range standard models with flexible custom development services
Company Advantages
- Full Service Customization with 24-48 hour engineering support
- 200+ product types including transformers, inductors, filters, and common mode chokes
- Advanced automated manufacturing improving efficiency by 8x
- 100% testing procedures for electrical performance and reliability
- Specialized in 5KV to 40KV high voltage transformers
- Flexible MOQ with lead times as fast as 7-15 days
- OEM/ODM supported with competitive factory direct pricing
Frequently Asked Questions
How long does it take to prepare samples?
3-5 days for new samples, 1 day for samples in stock.
How are samples shipped?
When customers cover freight costs, we help choose the most economical shipping method.
Do you provide technical support for customized products?
Yes, our strong R&D team provides free technical support for customizations in voltage, power, inductance, dimensions, core materials, and more.
Do you accept flexible minimum order quantities?
We support flexible MOQ based on your industry and product requirements. Please share your application areas and estimated annual usage.
Can you ensure proper packaging for large sea shipments?
Yes, we provide goods packed in strong export cartons, on wooden pallets, and shrink-wrapped for protection.
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