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Due to the high efficiency and excellent soft-switching characteristics of the LLC Power High-Frequency Transformer supplied by Haoer Factory, it is widely used in high-performance power systems for server power supplies, communication equipment, industrial power supplies, and new energy fields.
| Brand | HAOER |
| Type | ER EC high - frequency transformer series |
| Operating frequency | 20 - 350kHz |
| Output power | 80W - 100W (Different models vary) |
| Operating temperature | - 40℃~ + 125℃ |
| Storage temperature | - 55℃~+ 150℃ |
| Storage humidity | Not exceeding 85% |
| Application | switch power supply communication equipment Consumer Electronics industrial equipment |
The features of easy winding, high efficiency, large power and high reliability.
Applied to AC/DC converters, PC power supplies, LLC power supplies, communication power supplies, etc.
| PART NO. | TERMINAL PINS | Dimensions in mm(inches) | TYPE | |||||
| A | B | C±0.5 | D±0.5 | E | F | |||
| ER-25.5 | 8 | 19.5 | 19.7 | 12.5 | 4 | 5 | 25.5 | V |
| ER28 | 12 | 30.5 | 23 | 17.5 | 4 | 5 | 31 | V |
| ER28 | 12 | 23.1 | 28.2 | 25 | 4 | 5 | 29.1 | H |
| ERL28 | 12 | 36 | 27 | 20 | 4 | 5 | 30 | V |
| ERL28 | 12 | 26.3 | 37.1 | 30 | 4 | 5 | 30.2 | H |
| ER33 | 14 | 37.5 | 28 | 22.5 | 4 | 5 | 36 | V |
| ERL35 | 14 | 43.5 | 28 | 22.5 | 4 | 5 | 35.5 | V |
| ERL35 | 16 | 29.1 | 40.3 | 35.4 | 4 | 5 | 40.3 | H |
| ERL39 | 16 | 46 | 31.1 | 25 | 4 | 5 | 43.1 | V |
| ERL39 | 16 | 33 | 41.5 | 30.85 | 4 | 5 | 42.3 | H |
| ER40 | 16 | 48 | 31.1 | 25 | 4 | 5 | 43.1 | V |
| ER4215 | 14 | 45.5 | 30 | 25 | 5 | 5 | 42 | V |
| ER4220 | 14 | 44 | 37.5 | 36 | 5 | 5 | 42 | V |
With a strong industrial presence since 2008, Guangdong Haoer Electronics Co., Ltd. stands as a specialized producer of precision magnetic components. Our core products—high-frequency transformers, filters, and inductors—are integral to advanced applications in lighting, home appliances, photovoltaics, UPS, automotive systems, and network communications.
The company’s growth is marked by significant production capabilities: several manufacturing sites in Foshan, a workforce exceeding 1, 000, and an annual production volume of over 100 million units. Our investment in automation and precision testing, coupled with certifications such as CQC, UL, ISO 9000, and TS 16949, reflects our dedication to excellence.
Guided by the principles of innovation, quality leadership, and collaborative success, Haoer continues to strengthen its expertise and contribute to the evolving needs of the global electronics industry.
We offer a one-stop customer service: Set up a customer service hotline/email, respond to your inquiries promptly, have in-depth communication with you, clarify application scenarios, design customized solutions, conduct regular follow-ups, and our team will provide you with continuous technical support. We assist you in analyzing technical issues encountered by the product in its end application, and you will choose Guangdong Haoli Electronics Co., Ltd. and Foshan Pin'er Electronics Co., Ltd. You will receive a stable, professional and responsible backing, enabling you to focus more on core innovation in the challenging field of power electronics.
The small packages will be sent by courier, such as DHL, UPS, TNT, FedEx, etc. We can also arrange air or sea transportation according to your requirements.
Question: Are you a manufacturing factory or a trading company?
Answer: We are a manufacturer with our own factory, and we also provide one-stop supply chain services.
Question: What are your main products?
Answer: We mainly produce high-frequency transformers series, inductors series, electronic modules and other electronic components.
Question: Can you provide samples?
Answer: Yes, but the cost will be determined based on the complexity and quantity of the samples required.
Question: How is product quality controlled?
Answer: We have a professional quality control team and advanced testing equipment. All products undergo 100% testing.
Question: How long does it take for the order to be delivered?
Answer: This depends on the complexity and quantity of the product. It usually takes 2 to 4 weeks.
Address
C3 2 -4 81 Xijiao Road, Ronggui Sub-district, Foshan City, 2-4/F, Building C3, Zhongjian Chuangkeyuan, China
Tel
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