China Suppliers ETD-29-ETD-39 Power Transformers Factory - Low Loss Ferrite Cores 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 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
Q: What core shapes are available for these switching power transformers?
The available core shapes are ETD-29/32/10, ETD-34/34/11, and ETD39/40/13, all featuring a horizontal frame type configuration.
Q: What is the maximum output power of the ETD39/40/13 model?
The ETD39/40/13 model supports a maximum output power of 380 VA, compared to 170 VA for the ETD-29/32/10 and 270 VA for the ETD-34/34/11.
Q: What are the key design parameters for these electronic specifications?
The design is optimized based on a Forward model, utilizes PC40 series ferrite magnetic material, and operates at a switching frequency of 100KHz.
Q: What are the physical dimensions of the ETD-34/34/11 transformer?
The physical dimensions (Width * Depth * Height) for the ETD-34/34/11 model are 42 * 42 * 32 mm.
Q: How does the core volume (Ve) scale across the different ETD models?
The core volume increases with size: the ETD-29/32/10 has a volume of 5,196 mm³, the ETD-34/34/11 measures 7,632 mm³, and the largest ETD39/40/13 model features a volume of 11,510 mm³.