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{"title":"High Frequency Ferrite EE28 SMPS Transformer for LED Driver Power Supply Unit","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/c5\/3ef5025aa76153d17a4415daf6f1-200x200-1\/high_frequency_ferrite_ee28_smps_transformer_for_led_driver_power_supply_unit.jpg","attrs":{"Model Number":"EE28","Warranty":"5 years","Minimum Order Quantity":"500pcs","Delivery Time":"7-21work days (Negotiable)"}}
{"title":"High Power Custom EE65 High Frequency Transformer For Solar Inverter And BESS","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/de\/b6c3d5a1bdc580d839f6edcba51c-200x200-1\/high_power_custom_ee65_high_frequency_transformer_for_solar_inverter_and_bess.jpg","attrs":{"Model Number":"EE65","Core Material":"High Permeability Ferrite (PC40\/PC44)","Minimum Order Quantity":"1000 pcs","Delivery Time":"15-30 working days"}}
{"title":"Low Loss Custom PQ2020 High Frequency Transformer for Stable Switching Device","imgUrl":"https:\/\/img.chinax.com\/nimg\/ea\/17\/361c476f6c18d6c56c906cf9fc8f-200x200-1\/low_loss_custom_pq2020_high_frequency_transformer_for_stable_switching_device.jpg","attrs":{"Model Number":"PQ2020","Components":"Mn-Zn ferrite core, copper wire","Minimum Order Quantity":"1000pcs","Delivery Time":"7-21work days (Negotiable)"}}
{"title":"Low Loss Custom PQ5033 High Frequency Transformer with Horizontal Header Base","imgUrl":"https:\/\/img.chinax.com\/nimg\/f0\/76\/8fd304c605b77d4c2d86feb03575-200x200-1\/low_loss_custom_pq5033_high_frequency_transformer_with_horizontal_header_base.jpg","attrs":{"Model Number":"PQ5033","Warranty":"5 years","Minimum Order Quantity":"100 pcs","Delivery Time":"7-21work days (Negotiable)"}}
{"title":"Custom EE14 High Frequency Transformer Manufacturer for DC-DC Flyback Converter","imgUrl":"https:\/\/img.chinax.com\/nimg\/fc\/2f\/a66c5642e5601eebefce4c34891b-200x200-1\/custom_ee14_high_frequency_transformer_manufacturer_for_dc_dc_flyback_converter.jpg","attrs":{"Model Number":"EE14","Working Voltage":"Up to 1000V DC\/AC","Minimum Order Quantity":"500 pcs","Delivery Time":"15-30 working days"}}
{"title":"Custom EE25 Ferrite Core Transformer For Industrial LED Driver Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/69\/4b\/4df6256fd779ede30e084fe24897-200x200-1\/custom_ee25_ferrite_core_transformer_for_industrial_led_driver_power.jpg","attrs":{"Model Number":"EE25","Core Material":"Mn-Zn soft ferrite, PC40 \/ PC44 class grades available","Packaging Details":"Carton","Minimum Order Quantity":"1000 pcs"}}
The Chipsen ER28 series is a high-performance High Frequency Transformer engineered for demanding industrial power conversion. Featuring a specialized ER magnetic core structure, it provides a perfect balance between high power density and compact footprint. Designed to support high-frequency switching, this transformer is ideal for DC-DC converters where efficiency and EMI suppression are critical for system reliability.
Technical Specifications
Parameter Item
Specification Details
Core Type
ER28 (Ferrite Core)
Keywords
High Frequency Transformer
Operating Frequency
20kHz - 500kHz
Power Rating
Up to 150W (Topology Dependent)
Input Voltage
Customizable (AC/DC Range)
Insulation Class
Class B (130°C) / Class F (155°C)
Safety Certification
UL (E332338), CE, RoHS Compliant
Efficiency
>95% at Rated Load
Dielectric Strength
3000VAC / 1min (Primary to Secondary)
Storage Temperature
-25°C to +85°C
2. Product Features
Optimized EMI Performance: Specialized winding techniques to significantly cut EMI noise in your circuits.
High Power Density: Compact ER28 design delivers maximum power without sacrificing valuable PCB space.
Low Leakage Inductance: Enhances switching efficiency and reduces heat dissipation in power stages.
Our ER28 High Frequency Transformers are widely utilized in high-reliability industrial sectors:
Industrial Inverters: Power stage for DC-AC conversion in automation systems.
Photovoltaic (PV) Inverters: Energy management for solar power arrays.
AI Servers & Data Centers: High-efficiency power modules for high-speed computing.
Telecommunication: Base station power supplies and networking equipment.
Medical Equipment: Isolated power conversion for sensitive diagnostic devices.
EV Chargers: On-board charging (OBC) and DC fast-charging stations.
4. Why Choose Chipsen?
Product Advantages
Customized Design (ODM/OEM): Tailored electrical parameters and pin configurations to match your specific Buck-Boost topology.
Energy Efficiency: Ultra-low core loss ferrite materials to maximize your system's energy output.
Certified Reliability: Fully compliant with UL, CE, and RoHS, passing strict vibration and thermal shock tests.
Company Advantages
26 Years Expertise: Founded in 2000, specialized in mid-to-high-end industrial magnetic components.
Massive Production Scale: 10,000㎡ self-owned factory with 8 automated production lines.
North American Market Leader: 50% of our exports go to North America, serving top-tier industrial brands.
Rapid Engineering Support: Direct communication with senior engineers for quick technical evaluation.
5. Frequently Asked Questions (FAQ)
Q1: Can you customize the turns ratio and pin layout for ER28?
A: Yes, we provide full ODM/OEM services. You can send your specification, and our engineers will design the winding and footprint to fit your PCB.
Q2: What is the typical lead time for bulk orders?
A: For bulk orders of 1,000 PCS or more, the lead time is usually 3-4 weeks, depending on component availability.
Q3: What payment methods do you support for international orders?
A: We support T/T (Telegraphic Transfer), PayPal, and Western Union for your convenience.
Q4: Are your transformers UL certified?
A: Yes, our products carry the UL mark (E332338) and comply with CE and RoHS standards for global market access.
Q5: What is your Minimum Order Quantity (MOQ)?
A: Our standard MOQ for ER series transformers is 1,000 PCS.
Q6: Can you provide samples for testing before mass production?
A: Absolutely. We encourage sample testing to verify electrical performance in your specific application.
Q7: How do you handle EMI issues in the design?
A: We use sandwich winding methods and specialized shielding to minimize parasitic capacitance and cut EMI noise.
Q8: Is this transformer suitable for AI server power supplies?
A: Yes, the ER28 is highly recommended for high-efficiency power modules in AI servers and data center infrastructure.
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.
...