Plug in transformer EI33 Laminated transformer Industrial control transformer
EI33
Plug in transformer EI33 is a power transformer specially designed for low-power AC power supply scenarios. It takes an input of 110V AC and outputs 12V AC, with a rated power of 5.5W.
Download directory
Download directory
It adopts the classic EI core structure and provides stable and safe power conversion and electrical isolation solutions for various low-voltage AC devices. It is widely applicable to scenarios such as adapter 220v to 110v，home appliance control boards, small industrial control equipment, lighting, and instruments and meters.
Product parameters
| Frequency Characteristic | Low‑frequency | Voltage ratio | Custom‑made |
| Custom‑made | EI33 | Number of power phases | Single‑phase |
| Rated Power | Custom‑made | Moisture‑proof methods | Open‑ended |
| Cooling method | Oil‑immersed self‑cooled | Cooling form | Dry‑type |
| Brand | CXWON | Winding type | Auto‑coupling |
| Specification | 110V 60HzOUTPUT:12V 5.5W | Appearance and Structure | Vertical |
Common models
Core Advantages of Plug‑in Transformer:
1. The device is made of high-quality oriented silicon steel sheets, resulting in low no-load loss and small temperature rise. The voltage deviation during long-term operation is controlled within ±5%. The pure oxygen-free copper winding has excellent conductivity and high voltage conversion efficiency, which can reduce unnecessary energy loss and is suitable for equipment with high requirements for power supply stability.
2. The overall impregnated coating + blue shell packaging treatment is resistant to moisture, dust, and impact. It is suitable for various complex usage environments and can extend the product's service life.
3. Standard El-type structure, small in size and not occupying space. The plug-in pin design facilitates the welding and installation of PCB boards. Customized fixing ears can be provided according to requirements, suitable for various equipment installation holes.
4. Mature technology. Before leaving the factory, the product undergoes withstand voltage test, load current test, load voltage test, and temperature rise test to ensure that each product meets the performance standards.
Plug in transformer real-shot details：
Typical application scenarios
Flowchart
Company Information:
FAQ
Q: What is the operating frequency range of low-frequency transformers?
A: Usually in the frequency range of 50/60 Hz or several tens of Hz.
Q: What are the typical applications?
A: Isolation and power transmission in scenarios such as power electronic rectification/AC-DC conversion, tuning fork transformers, and audio systems.
Q: What is the biggest difference between high-frequency transformers?
A: The volume is usually larger, the magnetic circuit design is more conservative, and the coil winding and magnetic core material are more suitable for low-frequency loss management.
Q: Key selection points?
A: Output power, rated voltage, current, withstand voltage level, magnetic circuit saturation, 3C certification, and safety specifications.
Q: What are the key points of safety and maintenance?
A: Pay attention to insulation level, magnetic leakage and temperature rise, and conduct regular insulation testing to avoid overload.
Risk warning: Low frequency transformers have a large current capacity, and thermal management and insulation aging are key factors. Sufficient margin should be left in the design.
