China ER28/ER35 Power Transformer Suppliers - High Efficiency, Low Loss Ferrite Cores Factory
Shape and External Dimensions (mm)
Electronic Specifications
| Core Shape | ER28/28/11 | ER28/34/11 | ER-35/42/11 |
| Central Column Area (Aemm²) | 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 |
Note: The design is based on: 1. Forward model 2. PC40 series ferrite 3. Switching frequency: 100 KHz
Why Choose Us
1
Negotiable Price: Prices are flexible based on your specific order quantity or packaging needs.
2
Sample Service: Samples are available with a sample fee; we support freight collect or advance payment.
3
Eco-Friendly: All products are manufactured using high-quality, environmentally friendly materials.
4
Custom MOQ: Minimum order quantities can be customized according to your specific requirements.
5
OEM/ODM Support: We can open new molds for your designs and logos, providing samples for confirmation.
6
Easy Communication: Contact us via email or chat at your convenience for quick exchanges.
7
Strict Quality Control: Dedicated personnel manage every stage from raw material procurement to packaging.
8
Molding Workshop: In-house molding allows for customized models based on production volume.
9
Experienced Team: Our professional sales team provides expert service for your projects.
10
Custom Branding: Customized logos and colors are welcome to match your brand identity.
11
Virgin Materials: We guarantee the use of new virgin materials for every product manufactured.
12
Guaranteed Quality: We provide pre-production samples and a 100% check before shipping.
Frequently Asked Questions
Q1: Which core shapes are available for these switching power transformers?
We offer ER28/28/11, ER28/34/11, and ER-35/42/11 core shapes to suit different power requirements.
Q2: Can I request a customized logo or color for my order?
Yes, OEM services are welcome. We can customize the logo, color, and even open new molds for your specific design.
Q3: How do you ensure the quality of the transformers before they reach the customer?
We maintain a strict quality control system with 100% checking before shipping and provide pre-production samples for mass production approval.
Q4: Are the materials used in production environmentally friendly?
Absolutely. All our products are made from high-quality, environmentally friendly materials and new virgin materials.
Q5: What is the maximum output power for the ER-35/42/11 model?
The ER-35/42/11 model supports a maximum output power of up to 325 VA.
Q6: Is the price listed on the website final?
No, our prices are negotiable and can be adjusted based on the quantity of your order and the packaging requirements.