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{"title":"EF20 12V 24V 25W Flyback Transformer For LED Driver And Medical Power Supply","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/01\/8df53194d09044fe18fd98290bf9-200x200-1\/ef20_12v_24v_25w_flyback_transformer_for_led_driver_and_medical_power_supply.jpg","attrs":{"Model Number":"EF20","Frequency":"1KHz-1MHz","Minimum Order Quantity":"1000","Delivery Time":"3-4 Weeks"}}
{"title":"EE16 Ferrite Core 12V High Frequency Flyback Transformer For LED Driver Small","imgUrl":"https:\/\/img.chinax.com\/nimg\/e0\/f6\/fb8f74c548d96571aaede391b2b1-200x200-1\/ee16_ferrite_core_12v_high_frequency_flyback_transformer_for_led_driver_small_home_appliances.jpg","attrs":{"Certification":"UL\/CUL\/ISO9001\/ISO14001\/RoHS\/Reach\/IATF16949","Core material":"PC40\/PC44\/PC95 ferrite core","Model Number":"EE16","Frequency":"1KHz-1MHz"}}
The EP7 SMD High Frequency Transformer is an ultra-miniature, surface-mount magnetic component engineered for high-precision and space-constrained applications. The EP-core design provides a nearly complete enclosure of the windings, offering exceptional electromagnetic shielding (EMI) and minimizing cross-talk in sensitive circuits. Primarily utilized in medical instruments, precision sensors, and high-density telecom modules, the EP7 series from Chipsen represents the pinnacle of compact, high-performance power conversion.
2. Product Features
The EP7 series features a unique geometry that balances low profile height with high inductance stability. Its shielded structure makes it the ideal choice for applications where electromagnetic compatibility (EMC) is critical.
Technical Specifications
Operating Temperature
Parameter Item
Specifications / Details
Model Type
EP7 (SMD/SMT Mounting)
Operating Frequency
Up to 1.0MHz (High Frequency Optimization)
Typical Power
0.5W - 3.0W (Design Dependent)
Footprint Size
Compact 9.5mm x 7.5mm (Max)
Core Material
High Flux MnZn Ferrite / High Permeability Material
Isolation Voltage
AC 1500V - 3000V (Configurable)
Winding Structure
Fully Shielded to minimize EMI / RFI
Operating Temperature
-40°C to +125°C (Extended Grade)
Compliance
UL, CE, RoHS, REACH, ISO 9001
Terminal Plating
Lead-Free Tin (Sn) for High-Reliability SMT Soldering
3. Product Applications
Precision Sensors: Signal isolation for industrial and medical sensors.
Medical Electronics: High-reliability power units for portable medical devices.
Telecom Infrastructure: Isolation in networking line cards and PoE modules.
Audio Equipment: Low-noise signal processing and preamp power stages.
Automotive Electronics: Compact DC-DC conversion in EV sensor arrays.
4. Our Advantages
Company Advantages
26 Years of Industry Leadership: Founded in 2000, specialized in custom magnetic solutions.
Advanced Manufacturing: 10,000㎡ facility with 8 production lines and 200+ skilled staff.
R&D Excellence: Over 20 senior engineers focusing on miniaturization and EMI optimization.
Global Presence: Annual exports of $42 million, serving top-tier brands like Midea and Federal Signal.
Product Advantages
Superior Shielding: EP core shape provides the best protection against electromagnetic noise.
极致 Small Footprint: Ideal for multi-layer PCBs where space is at a premium.
Custom Design: Tailored inductance, turns ratio, and pinout configurations.
Quality Guaranteed: 100% pure copper wire and high-grade ferrite materials for low loss.
5. Frequently Asked Questions (FAQ)
Q: Can the EP7 transformer be customized for 3000V isolation? A: Yes, we can design the insulation and winding structure to meet up to 3000V AC isolation requirements.
Q: What is the typical lead time for mass production? A: Generally, it is 3-4 weeks after sample approval and order confirmation.
Q: Do you support international payment methods? A: Yes, we support T/T, PayPal, and Western Union for global transactions.
Q: Is the EP7 series compatible with pick-and-place machines? A: Yes, our SMD EP7 transformers are available in Tape & Reel packaging for automated SMT assembly.
Q: What certifications do you hold? A: Chipsen is ISO 9001 and ISO 14001 certified. Our products carry UL, cUL, CE, and RoHS marks.
Q: Can you provide a cross-reference for other brands? A: Our engineering team can provide pin-to-pin compatible cross-references for major global brands.
Q: What is the benefit of the EP core over the EE core? A: The EP core provides better magnetic shielding, reducing EMI and noise in sensitive applications.
Q: Do you provide free samples? A: We provide free samples for standard specifications; custom samples may have a nominal engineering fee.
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.
...
