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Custom ER28 High Frequency Transformer for DC-DC Buck-Boost Converter
Place of Origin:
China
Brand Name:
Chipsen
Certification:
UL/ISO9001/ISO14001/RoHS/Reach
Model Number:
ER28
Minimum Order Quantity:
1000 pcs
Price:
$0.88-$1.59
Packaging Details:
Carton
Delivery Time:
15-30 working days
Payment Terms:
T/T
Supply Ability:
3K-50K pcs / Month
Inquiry Now
Get A Quote
Specifications
Highlight Features
ER28 high frequency transformer
,DC-DC buck-boost converter transformer
,SMPS high frequency transformer
Power Rating:
10W - 500W
Output Voltage:
5V - 48V DC
Operating Temperature:
-40°C To +125°C
Core Type:
ER28 (Ferrite Core)
Operating Frequency:
20kHz - 500kHz
Dielectric Strength:
3000VAC / 1min
Product Description
1. Product Introduction
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.
- Industrial Grade Insulation: UL-recognized materials ensure long-term stability in harsh industrial environments.
3. Product Application
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.
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