China PQ Series Energy Transformer - High-Efficiency, Low-Loss Core from Trusted Suppliers & Factory
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 in this transformer series?
The series includes a wide range of core shapes including PQ2020, PQ2620, PQ2625, PQ3220, PQ3230, PQ3535, PQ4040, and PQ5050 to suit various power requirements.
What type of ferrite material is used for these specifications?
These transformers are designed using high-quality PC40 series ferrite, ensuring efficient performance in new energy applications.
What is the optimized switching frequency for this design?
The electronic specifications provided are based on an optimized switching frequency of 100KHz.
What is the maximum power capacity for the PQ5050 model?
The PQ5050 core shape offers a maximum power (AND) of 1045, making it the highest capacity option in this specific technical table.
Are the bobbins for these transformers vertical or horizontal?
All models listed in this specification use a vertical bobbin type, which is ideal for specific PCB layout requirements.
How many terminals does the PQ2020 model feature?
The PQ2020 model is equipped with 14 terminals in an 8+6 configuration.