EI48x35 Professional Power Transformer 220V to 22.5V (18-20W EI Core)

The EI48x35 22.5V Power Transformer is a reliable, low-frequency EI-core transformer designed for efficient AC voltage step-down in various electronic applications. Built with high-quality laminated silicon steel sheets and copper windings, it delivers stable 22.5V output from a standard 220-230V input, making it an excellent choice for control boards, power supplies, and industrial equipment.

Its compact EI core structure ensures low noise, minimal heat generation, and cost-effective performance without compromising on durability. Featuring built-in temperature and current protection, this transformer complies with international safety standards including UL62368, EN62368, and EMC/EMI regulations for global use.

Ideal for integration into consumer electronics, monitoring systems, lighting controls, audio equipment, or custom power modules where isolated low-voltage supply is required. Terminal connections allow straightforward wiring, and the open-frame design supports easy mounting on PCBs or chassis.

We offer this genuine EI48x35 transformer with options for bulk purchasing, OEM customization (including voltage/power variations), and competitive wholesale pricing. Perfect for manufacturers, engineers, and assemblers needing dependable mid-power transformers.

Key Specifications:

• Core Type: EI laminated (E+I shape)
• Dimensions: 37mm × 47.5mm × 58mm
• Input Voltage: 220-230V AC, 50/60Hz
• Output Voltage: 22.5V AC
• Output Current: 0.8A
• Power Rating: 18-20W
• Connection: Terminal blocks
• Operating Temperature: 0°C to +30°C
• Weight: Approx. 117g
• Protection: Over-temperature and over-current
• Certifications: UL62368, EN62368, FCC Part 15, EN55032, GB4943.1

Looking for datasheets, samples, or custom configurations? Reach out to our team for quick quotes and expert support.