Soft Magnetic Mn-Zn Core EP17 For High-frequency Transformer Ferrite Core
Advantages
1. High Magnetic Permeability: The EP-type Mn-Zn power core has a high magnetic permeability, which ensures efficient electromagnetic energy conversion under low magnetic field strength. This helps to enhance the performance of electronic devices, especially in high-frequency power converters, filters, and isolation transformers within power electronic equipment.
2. Low Loss: This type of core exhibits low losses, particularly in high-frequency applications, reducing energy dissipation and thereby improving device efficiency. This is crucial for electronic devices that prioritize high efficiency.
3. Favorable Temperature Characteristics: At room temperature, the EP-type Mn-Zn power core displays good temperature characteristics, with its loss inversely proportional to temperature. This prevents continuous temperature rise, maintaining stable device performance.
4. Multi-Output Design: The skeleton of the EP-type core is equipped with multiple terminals, facilitating the design of multi-output transformers to meet diverse circuit requirements.
5. Excellent Mechanical Strength: Although the mechanical strength of Mn-Zn ferrite rings is relatively low, the EP-type Mn-Zn power core can have its mechanical strength enhanced through optimized manufacturing processes, adapting to various application scenarios.
Application Fields
1. Telecommunications: The EP-type Mn-Zn power core is widely used in program-controlled exchange terminals and precision electronic equipment, serving as a vital component in broadband transformers, inductors, isolation transformers, and matching transformers.
2. Power Systems: In power conversion transformers and chokes, DVD players, camera flashes, communication equipment, and other electronic devices, the EP-type Mn-Zn power core plays a significant role.
3. Other Applications: The EP-type Mn-Zn power core is also utilized in switch-mode power supply transformers, pulse transformers, electronic ballasts, and various other electronic devices. Its superior performance provides these devices with stable and reliable electromagnetic support.
Fig.1
| Specification | Figure | Dimension(mm) | Effective parameter | Inductor coefficient AL(nH/N2) | Weight | |||||||||
| A | B | C | C1 | D | E | F | Ae(mm2) | Le(mm) | Ve(mm3) | BP40 | BP95 | (grams/pair) | ||
| EP13 | 1 | 12.7±0.3 | 6.65±0.20 | 8.8±0.20 | - | 4.35±0.20 | 9.8min | 4.7±0.20 | 19.50 | 23.60 | 460.20 | 1500±25% | 1850±25% | 5.70 |
| EP17 | 1 | 18.2±0.4 | 8.70±0.20 | 11.0±0.25 | - | 5.70±0.20 | 12.30min | 5.85±0.20 | 34.00 | 28.00 | 953.30 | 2400±25% | 3000±25% | 14.20 |
| EP20 | 1 | 24.0±0.5 | 11.0±0.20 | 15.0±0.40 | - | 8.8±0.30 | 16.10min | 7.40±0.20 | 78.70 | 40.15 | 3159.81 | 4000±25% | 5000±25% | 33.10 |
| EP25-2 | 2 | 25.0±0.5 | 25.5±0.20 | 45.0±0.20 | 32.0±0.50 | 12.5±0.30 | 18.30min | 21.0±0.25 | 365.6 | 109.8 | 40126.3 | - | 10000±25% | 216.6 |
| EP43.5 | 3 | 24.0±0.5 | 11.0±0.20 | 15.0±0.40 | 45.0±0.20 | 8.8±0.30 | 16.10min | 7.40±0.20 | 481.3 | 121.14 | 58305.7 | - | 13000±25% |
323.2 |
| Note: | |||||||||
| The test conditions for AL value are: 1KHz, 0.3V, and 10Ts | |||||||||
| The above are the standard specifications of our company, and they can be designed according to the special requirements of customers. | |||||||||
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