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Transformer & Coil
The primary functions of a transformer are voltage conversion, isolation, and power distribution.
We offer a broad spectrum of magnetic and energy-handling components engineered to support modern circuit systems:
- High-Frequency Units – Ideal for fast-switching electronics.
- Power Conversion Modules – Durable solutions for voltage adaptation.
- Coiled Inductors – Key to managing energy storage and filtering.
- EMI Filters & Chokes – Vital for signal clarity and clean energy transmission.
- SMPS Units (Switch-Mode Supply Modules) – Designed for high efficiency in global voltage environments.
- EF-Style Components – Widely used in standardized applications, especially across Europe.
Alternate Terminology: These components are also known as electrical isolators, magnetic regulators, signal conditioners, or voltage adapters.
I. EF-Series Voltage Conversion Units
EF-style magnetics are standard in many designs, with broad usage across European electronics. We offer full customization to meet both local and international requirements.
- Primary Applications:
- Switch-Mode Supply Systems
- AC-DC Adaptors
- Power Control Boards
- Charging Units
- Size Range: EF12.6 to EF35
- Available Models: EF12.6, EF16, EF20, EF25, EF25.4, EF32, EF35
- Tailored Design: Adaptable to geographical electrical standards and conditions
II. EF20 – Precision High-Speed Conversion Coil
EF20 is engineered for optimal function in high-switching environments, supporting applications like 12–24W switching power sources.
| Parameter | Specification |
|---|---|
| Core Area | Ae: 32 mm² |
| Winding Space | Sb: 34 mm² |
| Efficiency Value | Ae x Sb: 1088 mm⁴ |
| Application Scope | Push-Pull: 50W @100 kHz / Flyback: 30W @100 kHz |
III. TF-EF16-7726 – Region-Specific High-Speed Unit
Built for global voltage fluctuations, this EF16-based model delivers:
| Specification | Value |
|---|---|
| Inductance | 2.56mH ±10% @1kHz |
| Leakage Inductance | ≤75μH @100kHz |
| Resistance | 1.8Ω Max (2-1), 0.2Ω Max (4-3) |
| Dielectric Strength | 4000VAC / 3mA / 2s |
| Core Type | Bobbin: EF-16 (T375J), Core: E16 (HPP4/GP4) |
IV. SMPS Solutions – Global Voltage Adaptability
Our switch-mode modules meet the dynamic demands of global supply systems, offering stable output voltage and dependable high-current performance.
| Configuration | Applications |
|---|---|
| Single Output | 5W–12W modules (Input: 85–265VAC / Output: 5V or 12VDC) |
| Multi-Output | 3- or 4-output variants from 15W to 120W |
| Specialized Uses | Gate drivers, 1.5W push-pull transformers |
Compatible Core Materials: Including EPCOS N87/N97 or ETD29/16/10 ferrites.
Your Reliable Ally in Electronic Components for Global Operations
Sheng Yeong provides top-tier electronic components and holistic solutions tailored for global markets. With an extensive network of manufacturing partners across Asia, Europe, the Middle East, and the Americas, we deliver exceptional technical support and industry expertise. For any application or need related to electronic components, we encourage you to reach out to our team for personalized consultations and solutions designed for diverse geographical requirements.
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