ETD-29-ETD-39 Power Transformers - High Efficiency, Low Loss, China Suppliers & Factory for Multiple Output Applications
Shape and External Dimensions (mm)
Electronic Specifications
| Core Shape | ETD-29/32/10 | ETD-34/34/11 | ETD39/40/13 |
|---|---|---|---|
| Central Column Area of the Core Ae (mm²) | 73.4 | 97.1 | 125 |
| Magnetic Circuit Length Le (mm) | 70.6 | 78.6 | 92.1 |
| Volume Ve (mm³) | 5196 | 7632 | 11510 |
| Frame Type | Horizontal | Horizontal | Horizontal |
| Dimensions W＊D＊H (mm) | 37.5*36.5*27 | 42*42*32 | 46*49*38 |
| Maximum Output Power (AND) | 170 | 270 | 380 |
Note: The design is based on: 1. Forward model | 2. PC40 series ferrite | 3. Switching frequency: 100KHz
Frequently Asked Questions (FAQ)
What core shapes are available for these switching power transformers?
The specifications cover three main core shapes: ETD-29/32/10, ETD-34/34/11, and ETD39/40/13.
What is the maximum output power for each core shape model?
The maximum output power is 170 VA for ETD-29/32/10, 270 VA for ETD-34/34/11, and 380 VA for ETD39/40/13.
What frame type do these switching power transformers use?
All three core shape models (ETD-29, ETD-34, and ETD-39) utilize a Horizontal frame type.
What are the core dimensions for the different models?
The dimensions (W*D*H) are 37.5*36.5*27 mm for ETD-29/32/10, 42*42*32 mm for ETD-34/34/11, and 46*49*38 mm for ETD39/40/13.
What base parameters are used for the design of these transformers?
The design is based on a forward model, utilizing PC40 series ferrite material, and operates at a switching frequency of 100KHz.