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The EE16 High-Frequency Transformer is a versatile and highly economical magnetic component, widely recognized as a "workhorse" in the low-power electronics industry. Designed for Switch Mode Power Supply (SMPS) topologies, the EE16 is optimized for power outputs ranging from 5W to 15W. Featuring a standard E-core ferrite geometry, it provides a stable and efficient platform for designers looking to balance performance and production costs in high-volume electronic manufacturing.
| Parameter | Typical Value / Spec |
|---|---|
| Core Type | EE16 (Ferrite Core) |
| Mounting Type | Vertical / Horizontal PCB Mount |
| Pin Count | 6-Pin / 8-Pin / 10-Pin (Customizable) |
| Dimensions | Approx. 16.5mm x 16.0mm x 12.5mm |
| Power Output | 5.0W - 15.0W (Typical) |
| Operating Frequency | 20KHz - 200KHz |
| Input Voltage | 85V - 265V AC (Wide Range) |
| Hi-Pot (Isolation) | 3.0KV AC / 1min |
| Insulation Resistance | >=100MΩ (at 500V DC) |
| Leakage Inductance | < 3% - 5% (Typical) |
| Core Material | PC40 / PC44 Mn-Zn Ferrite |
| Winding Wire | 100% Pure Copper Wire |
| Insulation Class | Class B (130°C) / Class F (155°C) |
| Ae (Effective Area) | 20.1 mm² |
| Operating Temp | -25°C to +110°C (Incl. Temp Rise) |
| Storage Temp | -25°C to +85°C |
| Compliance | RoHS, REACH, UL Recognized (Optional) |
Chipsen Electronics Technology Co., Ltd., established in 2000, is a specialized manufacturer of high frequency transformer, low frequency transformer, toroidal inductor, SMD power inductor, super high current inductor, choke coil and switch. Chipsen has got a good reputation in domestic and oversea markets which include North & South America, Europe and Southeast Asia.
Chipsen possesses a professional management team, as an ISO9001, ISO14001 & IATF16949 audited company, which always commits to producing environmental protection and qualified products. Our products are certified by UL Class B/Class F/Class H, CQC and RoHS, and obtained 21 patents. These achievements mainly come from our strong R&D team, providing various solutions for temperature decreasing, noise cancellation and coupled radiation conductivity. Our products widely used in various fields of new energy, PV, UPS, Robotics, smart home, security systems, health care and communication.
Vision: To Be Global Transformer Brand Supplier
Mission: Create Values for Customers and Society, Grow with Customers and Staffs
Values: Customer First, Team Cooperation, Embrace Changes, Integrity, Creative & Happy

A: Minimizing leakage inductance is critical in EE16-based flyback designs to reduce voltage spikes across the primary MOSFET and improve overall efficiency. We achieve this through two primary methods:
A: While both are Mn-Zn ferrites, PC44 offers distinct advantages for compact, high-ambient temperature designs like LED drivers.