China ER28/ER35 Power Transformer - Low Loss Ferrite Core, Multiple Output, RoHS Compliant Supplier & Factory
Shape and External Dimensions (mm)
Electronic Specifications
| Core Shape | ER28/28/11 | ER28/34/11 | ER-35/42/11 |
| Central Column Area (Ae mm²) | 82.1 | 85.6 | 107 |
| Magnetic Circuit Length (Le mm) | 64.0 | 73.2 | 90.8 |
| Volume (Ve mm³) | 5254 | 6266 | 9716 |
| Frame Type | Vertical | Horizontal | Vertical |
| Dimensions (W＊D＊H mm) | 32*27*30.5 | 31*36*26.5 | 37.5*31*46 |
| Maximum Output Power (VA) | 228 | 228 | 325 |
Why Choose Us
1
Price: Negotiable pricing based on your quantity or packaging requirements.
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Samples: Sample fees apply; available via freight collect or advanced payment.
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Materials: All products utilize high-quality, environmentally friendly materials.
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MOQ: Flexible customization tailored to your specific requirements.
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OEM/ODM: Full support for custom designs, logos, and new mold development.
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Communication: Fast exchange via email or live chat at your convenience.
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Quality Control: Strict systems and designated personnel for every production stage.
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Workshop: Dedicated molding workshop for customized high-volume models.
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Expert Team: Experienced sales team providing professional service.
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Customization: Welcome for customized logos, colors, and branding.
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Virgin Material: New virgin material is strictly used for every product.
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Guarantee: 100% pre-shipping checks and pre-production sample approval.
Frequently Asked Questions
What are the available core shapes for the ER series?
We offer ER28/28/11, ER28/34/11, and ER-35/42/11 core shapes with both vertical and horizontal frame types.
Can I customize the transformer with my own logo?
Yes, we welcome OEM projects. We can open new molds and apply your specific logo and color requirements.
What material is used for the magnetic core?
Our standard designs utilize high-quality PC40 series ferrite to ensure optimal performance and efficiency.
How do you ensure the quality of the transformers?
We maintain a strict quality control system with 100% inspection before shipping and mandatory pre-production samples.
Is the price fixed for all orders?
No, the price is negotiable and varies depending on the order quantity and packaging specifications.
What is the maximum output power for the ER-35 series?
The ER-35/42/11 model supports a maximum output power of up to 325 VA at a 100 KHz switching frequency.