1. High Efficiency
Seamless toroidal core (ferrite/powdered iron) minimizes core loss (<1.1W/kg) and achieves >95% efficiency.
Low no-load current (<10% of laminated transformers).
2. Low EMI/Noise
Closed magnetic path reduces flux leakage (<0.1% typical).
Vibration-free operation (<20dB at full load).
3. Compact Design
50% smaller/lighter than equivalent EI-core transformers (e.g., 40×75mm/0.6kg for 50W).
4. High-Frequency Operation
Optimized for kHz–MHz range with Litz wire windings to mitigate skin effect.
5. Thermal Reliability
Uniform heat dissipation (ΔT <25°C at 25°C ambient).
Wide temp. range (-40°C to +130°C).
Audio: Hi-fi amplifiers (low-noise power supply).
Medical: ECG/EEG equipment (EMI-sensitive isolation).
Energy: Solar micro-inverters (high-efficiency DC-AC).
Industrial: PLCs/robotics (space-constrained integration).
ICT: Server PSUs (high power density).
YET focus in custom development and low volume methodology allow us to be one of the most flexible and agile manufacturers in the industry.
Our engineering staff has a vast wealth of professional knowledge.YET can deliver custom magnetics products on time to any country.
YET can design and build magnetics from customer design prints, re-engineer to enhance magnetics products to support customer needs, and reverse engineer magnetics products.
| ITEM | YET' P/N | Equivalent Substitutes | ||
| TOROIDAL TRANSFORMER | TDk | Würth | ||
| Electrical Parameters | Operating Frequency | 70kHz-2MHz | 70kHz-1MHz | 50kHz-1MHz |
| Rated Power | 0.1～50W | 0.1～30W | 0.1～50W | |
| Input Voltage | DC：3V～60V | DC：5V～48V | DC：5V～48V | |
| Output Voltage | 3.3VDC～24VDC | 5V、12V、15V | 5V、12V、15V | |
| Inductance (Primary) | 10μH～10mH | 10μH～1mH | 10μH～10mH | |
| Hi-pot | 1.5k~6.4kVAC (Pri.-Sec.) | 1.5k~4kVAC (Pri.-Sec.) | 1.5k~6.4kVAC (Pri.-Sec.) | |
| Efficiency | 86~95% | 85~95% | 88~96% | |
| Core Characteristics | Core Material | PC95 Ferrite | PC40 or PC44 | N87 or N92 Ferrite |
| Structure & Thermal Management | Cooling Method | Air | Air | Air |
| Insulation Class | Class F or H | Class B | Class B / F | |
| Temperature Range | -40℃~+150℃ | -40℃~+125℃ | -40℃~+125℃ | |
| Certifications & Compliance | Safety Certifications | CQC、3C | UL、CE、VDE | UL、CE |
| Environmental Certifications | RoHS、REACH | RoHS、REACH | RoHS、REACH | |
