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Electronic systems are becoming smaller, faster, and more power-dense, which makes EMI control increasingly important during product development. This SMT EMI suppression ferrite is designed to reduce unwanted high-frequency noise in switching power circuits while maintaining stable current transmission and compact PCB integration.
Built with high-permeability ferrite material and optimized impedance characteristics, the component helps suppress conducted interference generated by switching regulators, DC-DC converters, communication interfaces, and high-speed digital circuits. Its SMT structure supports automated assembly and space-saving layouts commonly required in modern industrial and consumer electronics.
The ferrite is suitable for engineers seeking reliable EMC improvement without significantly increasing circuit complexity or PCB size.
The ferrite bead provides strong attenuation against high-frequency switching noise and transient interference. It is particularly effective in suppressing unwanted signals generated by switching power supplies, MOSFET switching stages, high-speed digital interfaces, clock circuits, and power conversion modules.
This helps improve overall electromagnetic compatibility and system stability.
Carefully selected ferrite materials provide stable impedance performance across a wide frequency range. The component maintains reliable suppression capability under varying operating temperatures and load conditions, making it suitable for long-term industrial applications.
Used for input/output EMI suppression in AC-DC and DC-DC power conversion systems to reduce switching noise and improve power stability.
Suitable for PLC systems, industrial controllers, automation equipment, and embedded control boards exposed to electrically noisy environments.
Helps reduce signal interference in networking devices, communication modules, routers, gateways, and data transmission interfaces.
Applicable for automotive power systems, onboard electronics, infotainment modules, and control units requiring stable EMC performance and SMT compatibility.
Widely used in LED lighting systems, display modules, adapters, chargers, and compact consumer electronic devices.
Physical Properties
| Order Code | Zmax (Ω) | Test Condition Zmax | IR (A) | RDC max. (Ω) |
| INF-1280-10A | 2900 | 90 MHz | 10 | 0.009 |
| INF-1280-8A | 5000 | 70 MHz | 8 | 0.012 |
| INF-1280-10A | 6000 | 37 MHz | 10 | 0.009 |
| INF-1280-7A | 7000 | 30 MHz | 7 | 0.015 |
| INF-1280-6A | 7500 | 20 MHz | 6 | 0.02 |
| INF-1280-5.5A | 8000 | 20 MHz | 5.5 | 0.025 |
| INF-1280-6.5A | 9000 | 25 MHz | 6.5 | 0.02 |
| INF-1280-5A | 13000 | 15 MHz | 5 | 0.025 |
| INF-1280-4.5A | 15000 | 15 MHz | 4.5 | 0.03 |
Technical Specifications
| 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 |
