The encapsulated transformer is manufactured with high-quality EI type silicon steel sheets.
Working frequency: 50~100Hz
Low no-load loss, high power, high efficiency and low temperature rise.
Potting process.
Low noise
Good stability
RoHS compliant.
Ambient temperature –40°C to +145°C
Storage temperature Component: –40°C to +85°C.
Operating temperature:-40℃～125℃(Including coil's temperature rise)
Temperature control.
Electric meters.
Household appliances and other equipment.
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 | ||
| EI30 Series | TDK EI30 | Würth EI30 | ||
| Electrical Parameters | Operating Frequency | 50Hz or 60Hz | 50Hz or 60Hz | 50Hz or 60Hz |
| Rated Power | 5VA～50VA | 5VA～30VA | 5VA～50VA | |
| Input Voltage | AC：110V/230V | AC：110V/230V | AC：110V/230V | |
| Output Voltage | 5V～48VAC | 6V--24VAC | 5V～48VAC | |
| no-load current | ≤10% rated current | ≤10% rated current | ≤8% rated current | |
| Hi-pot | 3.5kVAC (Pri.-Sec.) | 3kVAC (Pri.-Sec.) | 4kVAC (Pri.-Sec.) | |
| Efficiency | 85~95% | 85~93% | 85~92% | |
| Core Characteristics | Core Material | silicon steel sheet, | silicon steel sheet, | silicon steel sheet, |
| Structure & Thermal Management | Cooling Method | Air | Air | Air |
| Insulation Class | Class B / F | Class B / F | Class B / F | |
| Temperature Range | -40℃~+125℃ | -25℃~+85℃ | -40℃~+105℃ | |
| Certifications & Compliance | Safety Certifications | CQC、3C | UL、CE、VDE | UL、CE |
| Environmental Certifications | RoHS、REACH | RoHS、REACH | RoHS、REACH | |
Encapsulated TRANSFORMER（Mains Transformer).pdf
