China ER-40-ER42 Commutative Power Transformer Suppliers - High Efficiency Factory with Low Loss Ferrite Cores
Shape and External Dimensions (mm)
Electronic Specifications
| Core Shape | ER40/45/13 | ER42/45/15 |
| Central Column Area of the Core Aemm² | 151.6 | 203.7 |
| Magnetic Circuit Length Le mm | 96.2 | 96.3 |
| Volume Ve mm3 | 14585 | 19456 |
| Frame Type | Vertical | Horizontal |
| Dimensions W＊D＊H mm | 42.5*50*33 | 44*48*33 |
| Maximum Output Power VA | 420 | 450 |
Note: This design is based on: 1. Direct conversion model; 2. PC40 series ferrite; 3. Switching frequency: 100KHz.
Note: This design is based on: 1. Direct converter or LLC resonant half bridge; 2. PC40 series ferrite; 3. Switching frequency: 100KHz.
Frequently Asked Questions
1 What are the payment terms for orders?
We accept T/T (30% as deposit, and 70% against the copy of B/L) and other flexible payment terms to suit your requirements.
2 How long is the lead time for samples?
It typically takes 10-15 days to prepare samples. There is no additional sample fee, and free samples are available under specific conditions.
3 What are your core advantages in manufacturing?
We have specialized in auto parts manufacturing for over 15 years. With a strong presence in North America, we have accumulated 15 years of OEM experience for premium brands.
4 How can I ensure the reliability of your service?
Honesty is the foundation of our company. Additionally, we provide trade assurance through Alibaba to ensure your order and payment are fully protected.
5 Do you provide a warranty for your products?
Yes, we stand behind our quality by providing a limited warranty of 3 to 5 years for our products.
6 What materials are used in your transformer designs?
Our designs typically utilize high-quality PC40 series ferrite, optimized for switching frequencies around 100KHz in direct converter or LLC resonant models.