EE series transformers are among the most widely used ferrite core transformers in switch-mode power supplies SMPS Named after their E-shaped core geometry EE transformers offer excellent magnetic coupling low core loss and high efficiency making them the go-to choice for power adapters chargers LED drivers and industrial power supplies At Nantong Tianyi Electronics we manufacture the full range of EE series high-frequency transformers from compact EE13 for mobile phone chargers to high-power EE65 for industrial applications EE13 Transformer has core size 13x13x5mm power range 1W to 5W frequency 50kHz to 200kHz typical applications include mobile phone chargers USB adapters small LED drivers EE16 Transformer has core size 16x16x5mm power range 3W to 10W frequency 50kHz to 200kHz typical applications include travel adapters USB-C chargers smart home power supplies EE19 Transformer has core size 19x19x7mm power range 5W to 20W frequency 50kHz to 150kHz typical applications include laptop chargers LCD monitor power supplies set-top boxes EE28 Transformer has core size 28x28x11mm power range 20W to 80W frequency 40kHz to 100kHz typical applications include desktop PC power supplies server PSU industrial adapters EE55 and EE65 Transformers are industrial grade with power range 100W to 1000W used for EV chargers solar inverters UPS systems How to select the right EE transformer First determine your power requirements Output Power equals Output Voltage times Output Current always add 20 to 30 percent safety margin Second choose the operating frequency higher frequencies allow smaller cores but increase switching losses Third match core size to power up to 5W use EE13 5W to 10W use EE16 10W to 20W use EE19 20W to 80W use EE28 80W to 500W use EE55 500W to 1000W use EE65 Fourth consider thermal and environmental requirements Common applications include consumer electronics phone tablet chargers laptop power adapters LED lighting drivers smart home devices and industrial equipment EV charging stations solar power inverters UPS systems telecom power supplies automotive electronics on-board chargers DC-DC converters battery management systems With over 17 years of manufacturing experience Nantong Tianyi Electronics produces EE series transformers that meet international quality standards ISO 9001 CQC and CE certified 4 million magnetic components per month capacity custom samples within 7 days full automatic production lines with winding assembly and testing products exported to 15 plus countries including Singapore Italy New Zealand Turkey and Saudi Arabia
