ETD-29-ETD-39 Power Transformer: High-Quality China Suppliers & Factory for Low Loss Ferrite Cores
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 Aemm² | 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 VA | 170 | 270 | 380 |
Note: The design is based on: 1. Forward model | 2. PC40 series ferrite | 3. Switching frequency: 100KHz
Frequently Asked Questions (FAQ)
QWhat core shapes are available for these switching power transformers?
The available core shapes include ETD-29/32/10, ETD-34/34/11, and ETD39/40/13 models, designed to meet different power and space requirements.
QWhat is the maximum output power (VA) for each transformer model?
The maximum output power varies by model: ETD-29/32/10 supports up to 170 VA, ETD-34/34/11 supports up to 270 VA, and the ETD39/40/13 model supports up to 380 VA.
QWhat type of frame design do these transformers use?
All three models (ETD-29, ETD-34, and ETD-39) feature a horizontal frame type, making them ideal for low-profile PCB layouts.
QWhat are the design parameters and materials used for these specifications?
These electronic specifications are based on a Forward model design using PC40 series ferrite material and operating at a switching frequency of 100KHz.
QHow do the dimensions compare between the different ETD 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.