New Energy Transformer PQ Series - High-Efficiency Design from China Factory & Suppliers, Compliant with Safety Standards
📐 Shape and External Dimensions (mm)
⚡ Electronic Specifications
| Core shape | PQ2020 | PQ2620 | PQ2625 | PQ3220 | PQ3230 | PQ3535 | PQ4040 | PQ5050 |
| Bobbin type | Vertical | Vertical | Vertical | Vertical | Vertical | Vertical | Vertical | Vertical |
| Number of terminals | 14(8+6) | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Size mm/Max.A | 24.0 | 28.0 | 28.5 | 33.0 | 33.0 | 37.0 | 41.0 | 52.0 |
| Max.B | 24.0 | 32.0 | 31.0 | 35.0 | 36.0 | 41.0 | 44.0 | 53.0 |
| Max.C | 22.0 | 22.0 | 28.0 | 24.0 | 32.0 | 38.5 | 43.0 | 54.0 |
| ±0.3 D | 2.53.8 | 3.8 | 3.8 | 5.0 | 5.05 | 5.0 | 5.0 | 7.62 |
| ±0.5 E | 5.1 | 7.6 | 7.5 | 7.5 | 7.6 | 10.0 | 15.1 | 15.24 |
| +0.5 F | 20.3 | 25.4 | 25.5 | 30.0 | 30.3 | 35.0 | 38.0 | 45.72 |
| +0.1 CG | 0.6 | 0.6 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 1.2 |
| Min. H | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
| Central zone of the legs | 61.4 | 120.1 | 121.4 | 163.6 | 161.0 | 196.0 | 201.0 | 320.0 |
| Maximum power AND | 92 | 170 | 195 | 232 | 331 | 452 | 596 | 1045 |
💡 Note: This design is based on 1. direct converter 2. PC40 series ferrite 3. switching frequency: 100KHz
❓ Frequently Asked Questions
What core shapes are available for these new energy transformers?
We offer a wide range of PQ core shapes including PQ2020, PQ2620, PQ2625, PQ3220, PQ3230, PQ3535, PQ4040, and PQ5050 to meet various power requirements.
What is the material and switching frequency used in the design?
The design is optimized using PC40 series ferrite material with a standard switching frequency of 100KHz for direct converter applications.
What is the maximum power range supported by the PQ series?
The maximum power varies by core size, ranging from 92W for the PQ2020 model up to 1045W for the high-capacity PQ5050 model.
What type of bobbin is used for these transformers?
All models in this specification use a Vertical bobbin type, providing stable mounting and efficient space utilization on PCBs.
How many terminals do these transformers typically have?
Most models feature 12 terminals, while the PQ2020 model is designed with 14 terminals (8+6 configuration) to accommodate specific circuit needs.
Are the dimensions highly precise for automated assembly?
Yes, our specifications include strict tolerances (e.g., ±0.3mm to ±0.5mm for key dimensions) to ensure compatibility with precision manufacturing and automated assembly processes.