RM type high frequency flyback transformer Smart Home Power Transformer
RM6
RM6 high-frequency transformer uses RM6 manganese-zinc ferrite core, with an octagonal magnetic core shape, a metal steel clamp to lock the core, a vertical PCB pin frame, and operates at a frequency range of 20 - 500 kHz. The typical power is 8 - 25 W.
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RM series has inherent magnetic shielding effect, with low leakage inductance and excellent EMI performance. It uses enameled copper wire or three-layer insulated wire for winding, enabling safety isolation and withstand voltage between primary and secondary circuits. It occupies a small area on the PCB and is suitable for high-density layout.
Product parameters
| Rated power | 15W | Cooling form | Dry type |
| Frequency characteristics | High frequency | Number of power phases | Multiphase |
| Cooling method | Natural cooling | Moisture-proof method | Open type |
| Winding Form | Multi-winding | Core Form | RM Type |
| Overall Structure | Vertical | Efficiency (η) | 95% |
| Brand | CXWON | PIN | 4+4 pin |
Main transformer models：
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Core advantages of RM transformer
1.The RM type magnetic core structure of the octagonal shape has a natural magnetic shielding effect, resulting in less electromagnetic interference radiating outward and making the power supply EMC debugging process easier.
2. The magnetic core has a compact structure and a short magnetic path. With proper winding techniques, the leakage inductance value is low, which reduces voltage spikes, minimizes losses in the absorption circuit, and enhances the power supply efficiency.
3. The magnetic core is fixed by metal steel clips; it is compatible with fully automatic winding and automatic tape wrapping equipment, suitable for mass production, and has good consistency in turns ratio and inductance parameters.
4. The magnetic core has a compact structure and a short magnetic path. Under a reasonable winding process, the leakage inductance value is low, which reduces voltage spikes, reduces absorption circuit losses, and improves power supply efficiency.
5. Combined with PC40/PC44 manganese-zinc ferrite, it is suitable for high-frequency working conditions of 20-500kHz. The temperature rise is controllable under the rated load, and it is suitable for the long-term continuous operation of equipment.
RM transformer real-shot details：
Typical application scenarios
Flowchart
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FAQ
Q: What is the power range of the RM6 high-frequency transformer?
A: Typical power is 8 - 25W. The actual power is affected by frequency, heat dissipation, and the material of the magnetic core. It is not recommended to use it for more than 25W for an extended period; otherwise, the temperature rise will be too high.
A: Typical power is 8 - 25W. The actual power is affected by frequency, heat dissipation, and the material of the magnetic core. It is not recommended to use it for more than 25W for an extended period; otherwise, the temperature rise will be too high.
Q: How is the RM6 magnetic core fixed?
A: Use metal spring steel clips to clamp the two halves of the magnetic core. There is no plastic casing. The assembly is simple and it is suitable for use inside power supplies.
Q: What is the most distinctive feature of the RM6 octagonal magnetic core?
A: It has its own partial magnetic shielding effect, resulting in less electromagnetic interference radiating outward and lower leakage inductance. This is beneficial for the overall EMI/EMC debugging of the entire machine.
Q: What is the approximate temperature rise of RM6 under its rated load?
A: When the heat dissipation conditions are good, the temperature rise under the rated load should be ≤ 45K; overloading and poor heat dissipation will result in overheating, efficiency decline, and buzzing.
Q: Is RM6 a vertical or horizontal type?
A: The vast majority of the products in the market are vertical PCB pins, which saves the surface area of the PCB; the horizontal frame is very rare and requires special mold manufacturing.
