ETH2321 Series High Current Common Mode Choke 70uH to 480uH for Switching Power Supply Noise Filtering
The ETH2321 series high-current common-mode choke is manufactured using high-quality core materials and advanced winding processes, specifically designed for switching power supplies and DC-DC converters, ensuring high current capacity, high-temperature operation, and excellent common-mode noise filtering. The product features a robust and reliable structure and supports both SMT and THT terminal options. It meets 1500VDC coil-to-coil withstand voltage and wide operating temperature requirements. It is suitable for switching power supplies, industrial power supplies, and communication equipment. It is an ideal choice for high-current applications in common-mode noise filtering and high-current power supplies.
Features
- Current up to 20A
- Inductance – 70µH to 480µH
- SMT and THT terminal options
- High-temperature operation up to 150°C
- Common-mode noise filtering – 500KHz to 10MHz
- Impedance up to 5kΩ
- Coil-to-coil withstand voltage – 1500VDC
- Customisable inductance, impedance, DCR
Product Specification Selection Table
| Model | Inductance (mH) Min | DCR (mΩ) Max | Common-Mode Impedance @10MHz (Ω) | Heat Rating Current @40°C (A) |
|---|---|---|---|---|
| ETH2321-700Y | 5.0 | 1.35 | 452 | 20 |
| ETH2321-101Y | 10.0 | 1.87 | 600 | 18 |
| ETH2321-281Y | 10.0 | 7.02 | 1230 | 10 |
| ETH2321-481Y | 25.0 | 13.93 | 1920 | 7 |
Applications
- Switching power supply noise filtering
- DC-DC converters
- Industrial power modules
- Communication equipment power supplies
- Server power supplies
- Automotive electronics
- Battery management systems
- High-power-density power supplies
FAQ
Q: How to apply for samples? What is the lead time?
A: You can submit a sample application through our website or email. Samples are free of charge and will be shipped within 3-5 working days. Mass order lead time is generally 2-8 weeks; custom products will be confirmed separately.
Q: Do you support small trial orders?
A: Yes. Small trial orders (below the standard MOQ) can be negotiated and receive the same quality standards and delivery commitments as mass orders. Please contact our sales team for details.
Q: Do you provide technical support and selection recommendations?
A: Yes. We have a professional technical team that can provide selection recommendations and customisation solutions based on customer application scenarios and circuit requirements.
Q: Does this product support customisation?
A: Yes. Inductance, impedance, DCR, and current rating can be customised based on customer circuit diagrams or application requirements. Please contact our sales team to confirm the customisation plan.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.