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The 3533 HCF THT High Current Inductor is a high-performance through-hole passive component engineered exclusively for high-amperage industrial and power electronics applications. As a flagship 3533 Through Hole High Current Power Inductor in our portfolio, it features a precision-machined configuration that delivers unrivaled mechanical stability, integrated magnetic shielding to minimize electromagnetic interference (EMI), and an exceptionally low DC resistance (RDC) design that reduces power loss and heat generation. This High Amperage THT Inductor is optimized for high-current power conversion and energy storage scenarios, making it a core component for power supplies, renewable energy systems, and critical backup power equipment. Unlike standard inductors, the 3533 HCF series is built to withstand continuous high-current operation without performance degradation, meeting the rigorous reliability demands of ToB customers in industrial, automotive, and renewable energy sectors.
The 3533 HCF THT High Current Inductor adopts a reinforced pin and core structure, with dedicated mechanical pins (Pin 2 and 3) connected for structural reinforcement. This design eliminates vibration-induced pin loosening or core displacement during wave soldering and long-term operation, ensuring consistent performance in harsh industrial environments such as factory automation equipment and outdoor solar inverters.
Integrated magnetic shielding technology effectively contains magnetic flux, reducing EMI radiation to surrounding components and eliminating the need for additional shielding accessories. This feature not only streamlines PCB layout for high-density power circuits but also ensures compliance with international EMI standards, lowering the overall design and testing costs for our B2B partners.
The ultra-low RDC design minimizes conduction loss and heat generation under high-current conditions, directly improving the energy efficiency of power systems. For high-amperage power supplies and battery chargers, this translates to lower operational costs and reduced thermal management requirements, a key advantage for customers focused on energy-saving product design.
Order Code | L(μH) | IR(A) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | fres(MHz) |
INF-3533-22μH | 22 | 23.2 | - | - | 49.4 | 8.15 |
INF-3533-33μH | 33 | 22 | - | - | 39.2 | 6.08 |
INF-3533-47μH | 47 | 19.3 | - | - | 32.3 | 5.1 |
INF-3533-65μH | 65 | 17.2 | - | - | 26.6 | 4.28 |
The 3533 HCF THT High Current Inductor is a versatile component for high-current power electronics systems, with core applications including:
High-amperage power supplies: Industrial grade AC-DC and DC-DC converters for factory automation and heavy-duty equipment.
Battery charger applications: Fast chargers for electric vehicles (EVs), energy storage systems (ESS), and industrial lithium-ion battery packs.
Solar inverter systems: Grid-tie and off-grid solar inverters that require stable energy conversion under variable current conditions.
Power factor correction circuits: PFC modules for commercial and industrial power systems to improve grid power factor.
Uninterruptible power supplies (UPS): Critical backup power equipment for data centers, medical facilities, and telecom base stations.
The 3533 HCF THT High Current Inductor series fully complies with RoHS (2011/65/EU & 2015/863) and REACH (EC 1907/2006) environmental standards, with no restricted hazardous substances in production. All components pass strict mechanical shock and thermal cycle tests, meeting the industrial-grade operating temperature range of -40°C to +125°C. For customers with automotive or aerospace application requirements, we can provide additional AEC-Q200 grade certification support through customized testing.
We offer flexible procurement and customization options for the 3533 HCF THT High Current Inductor to meet the diverse needs of ToB customers:
| Main Category | Subcategory | Details |
| MOQ | Prototyping & Small-batch | 10 piece minimum order |
| Sample Service | Free proofing & custom service, 5 free samples (shipping at buyer’s cost) | |
| Bulk Order | 5,000 pieces and above with bulk pricing | |
| Lead Time | All Standard Components | Shipped within 5–7 working days |
| Custom Inductance / Pin Design (Sample) | Sample order confirmed within 5–7 working days | |
| Custom Inductance / Pin Design (Mass Order) | Shipped within 15–30 working days | |
| Payment Terms | Main Payment Term | T/T in advance, L/C at sight |
| Procurement Standard | Complies with global enterprise procurement standard for passive components | |
| Quality Deposit | No quality security deposit required | |
| Accepted Terms | FOB Shanghai / Nanjing / Hong Kong, T/T Advance | |
Quality Assurance | Manufacturing Defects | Free replacement for issues caused by manufacturing defects |
| Inspection Report | Batch inspection reports available as certification upon customer request | |
Packaging Specifications | Updated Packaging (2026) | Blister tray packaging; Sealed Tape & Reel for SMD products |
| Optional Packaging | Vacuum sealed packaging for customers with strict moisture-proof requirements |
