Step up dc power supply Transformer Charging Pile for New Energy
ER49
ER49 belongs to the ER series of high-frequency ferrite cores. It has an elliptical core structure, with a large core cross-sectional area, strong power carrying capacity, low leakage flux, and excellent heat dissipation performance.
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ER49 transformer features a round central column high-frequency power ferrite core. It has ample winding windows, facilitating the winding of thick wire diameters. The core can have air gaps, which is beneficial for both the transformer and power inductor fabrication. It has low high-frequency losses and minimal leakage flux.
Product parameters
| Cooling form | Dry type | Core shape | ER type |
| Voltage ratio | Customizable as needed | Power phase number | Multi-phase |
| Cooling method | Oil-cooled air-cooled type | Moisture-proof method | Open type |
| Frequency characteristics | High frequency | Brand | CXWON |
| Winding form | Double winding | External structure | Vertical |
| Efficiency (η) | 90% | Core material | Ferrite |
Main transformer models：
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Core advantages of ER transformer
1. Wide operating frequency range: Usually between 20kHz and 500kHz. Some products have a lower limit of 40kHz and an upper limit of up to 500kHz.
2. High power output capability: The output power range is very wide, typically ranging from 150W to 1500W. Depending on the specific design and cooling conditions, there are also products with nominal power of 240W or 390W - 450W. Some products even have a maximum power of up to 1000W.
3. Excellent thermal performance: The operating temperature range is wide, usually from -40℃ to +125℃, capable of adapting to harsh environments.
4. High conversion efficiency: The efficiency is usually above 95%, effectively reducing energy loss.
5. Low loss and high withstand voltage: Using high-quality magnetic core materials, it has low loss characteristics. The Hi-pot (electrical strength) test voltage is usually 2500Vrms, ensuring electrical safety.
ER transformer real-shot details：
Typical application scenarios
Flowchart
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FAQ
Q: What is the working frequency range of ER49?
A: It is usually between 20kHz and 500kHz. The common specification is 40kHz to 500kHz.
A: It is usually between 20kHz and 500kHz. The common specification is 40kHz to 500kHz.
Q: What are the working temperature and storage conditions of ER49?
A: The working temperature ranges from -40℃ to +125℃, and the storage temperature ranges from -25℃ to +85℃. The storage humidity is 30% to 95%.
Q: What circuit topologies does ER49 support?
A: It supports full bridge, half bridge, single-ended, resonant (such as LLC), push-pull, and other oscillation circuits.
Q: What are the common faults of ER49?
A: They include winding short circuit, magnetic core saturation, excessive temperature rise, insulation breakdown, etc.
Q: How to deal with excessive temperature rise?
A: Check if the heat dissipation conditions are good, if it is overloaded operation, and if the magnetic core loss is too large.
