EF20-JP4 ferrite core is a high-performance EMC anti-interference magnetic core launched by VIIP Electronics. It is manufactured in accordance with Rev 4.0 official specification, made of premium YR28 ferrite material, fully compliant with RoHS & REACH environmental standards. With precise dimensional tolerance, stable inductance parameter and low power consumption, this core delivers excellent electromagnetic suppression performance and long-term working reliability.

• Model: EF20-JP4
• Material Grade: YR28
• Inductance factor: AL 1700±25% nH/N² (1KHz, 0.3V, 25±3℃)
• Strict size tolerance and consistent raw embryo weight
• Zero air gap design, stable magnetic conductivity
• Good high temperature resistance and low loss performance
• Environmentally friendly, RoHS & REACH certified

Perfectly suitable for:

• Power supply filter circuits
• EMI / EMC interference suppression
• Electronic circuit EMC design & debugging
• Power adapters, home appliances
• Industrial control equipment, digital electronic products
• Various electromagnetic interference prevention scenarios

• Ready Stock: 30,000 pieces available in warehouse
• Unit Price: USD 0.04 per piece
• Fast Delivery: Goods can be shipped within 3 working days
• Quality inspected one by one before delivery
• Support mixed batch order and long-term stable supply
• Professional EMC design technical consultation service provided

We are a professional manufacturer focusing on EMI filter, EMC ferrite core and EMC design rectification service. All products follow standard technical specifications, with stable quality, competitive factory price and fast delivery cycle. We support global wholesale and distribution, welcome customers to send inquiries for cooperation.