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The EFD20 High Frequency SMD Transformer is a premium magnetic component engineered for high-performance power supplies and inverters. Featuring a shielded structure and advanced ferrite core, it delivers exceptional efficiency with ultra-low EMI noise. With its compact EFD (Economical Flat Design) profile, it is the ideal solution for high-density PCB layouts where reliability and durability are non-negotiable.
Product Features
Our EFD20 series is characterized by its stable performance and robust design, supported by an industry-leading warranty of up to 20 years.
Technical Parameters
Specification Details
Core Type
EFD20 High-Permeability Ferrite
Mounting Technology
SMD / SMT (Surface Mount)
Working Frequency
20kHz - 500kHz
Output Power Range
15W - 45W (Customizable)
Isolation Voltage
3500VAC / 5mA / 60s
Operating Temp Range
-40°C to +125°C
DC Resistance (DCR)
Low DCR Design for High Efficiency
Warranty Period
5-20 Years (Industry-Specific)
UL File Number
E332338 (Verified Compliance)
Shielding
Anti-interference Metal Shielding
Quality Standards
CE, RoHS, REACH, UL Certified
Product Applications
Power Inverters: Essential for high-efficiency DC-AC conversion in solar and backup systems.
Industrial Automation: Reliable power isolation for PLC, sensors, and actuator controllers.
Automotive Electronics: Durable performance for EV charging modules and DC-DC converters.
Communication Base Stations: Stable power supply for 5G and networking infrastructure.
Precision Instruments: Low-noise power delivery for sensitive laboratory and medical equipment.
Why Chipsen EFD20?
Product Advantages
Ultra-Durable Performance: Up to 20-year warranty for specialized industrial applications.
Enhanced Heat Dissipation: Shielded design optimizes airflow and thermal management.
EMI/EMC Compliance: Low noise profile simplifies your circuit's regulatory certification.
Company Advantages
26 Years of Innovation: Deep expertise in magnetic components since 2000.
Fast Prototyping: Get your custom samples ready within just 7 days.
Production Power: 10,000 sqm facility with 8 lines producing 2.4 billion PCS annually.
Frequently Asked Questions
Q1: What is the Minimum Order Quantity (MOQ) for EFD20? A: To support both growing projects and bulk needs, our MOQ starts at just 100 PCS.
Q2: How long does it take to get a quotation and samples? A: We respond with a formal quotation within 3 days, and sample production is completed within 7 days.
Q3: What payment terms do you support? A: For your convenience, we accept T/T (Telegraphic Transfer), PayPal, and Western Union.
Q4: Tell me more about the 20-year warranty. A: We offer a standard 5-year warranty, which can be extended up to 20 years for mission-critical industrial or infrastructure projects.
Q5: Can you provide OEM/ODM services for specific voltage requirements? A: Yes, we specialize in full OEM/ODM customization to match your specific power, voltage, and frequency requirements.
Q6: Is the EFD20 transformer suitable for automated assembly? A: Yes, its SMD design and tape-and-reel packaging (optional) are optimized for high-speed pick-and-place machines.
Q7: Does this product carry global safety certifications? A: Yes, it is UL certified (File No. E332338) and fully complies with CE and RoHS environmental standards.
Q8: How do you manage electromagnetic interference (EMI)? A: The EFD20 uses high-quality ferrite cores and a shielded mechanical structure to minimize flux leakage and noise.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
28820000-29820000
Employee Number:
400~450
Ecer Certification：
Verified Supplier
Chipsen Electronics - Supplier to Fortune Global 500 Companies
Magnetic Components Engineered for Performance & Reliability
Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches.
...
Chipsen Electronics - Supplier to Fortune Global 500 Companies
Magnetic Components Engineered for Performance & Reliability
Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches.
...
