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The EI14 transformer adopts a traditional E-I laminated or ferrite core configuration, which offers:
Strong magnetic coupling and stable inductance characteristics
Simple assembly and robust mechanical structure
Good balance between performance and cost
The EI structure is widely used in transformer design due to its efficiency and reliable magnetic performance across various applications.
The EI14 transformer benefits from a mature production process:
Cost-effective solution for high-volume applications
Easy winding and assembly for scalable manufacturing
Wide availability of standard core materials
Its economic advantage makes it an ideal choice for consumer electronics and mass production designs.
The EI14 high-frequency transformer is widely used in:
Switching mode power supplies (SMPS)
LED drivers and lighting systems
Communication and networking devices
Consumer electronics and audio equipment
Industrial control modules
Its versatility allows it to be used across a wide range of electronic applications.
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 |