EI Type Core

Good electrical performance: It has high magnetic permeability, low loss, good frequency characteristics, and high saturation magnetic flux density.
Excellent physical performance: It features a compact structure and good thermal stability.
Good process performance: It can be achieved through reasonable processing and winding processes to meet the size and performance requirements of different equipment for the core.

Product Details

                                                                                           

 

Specification Dimension(mm) Effective parameter BP44 BP95
A B C D E F I C1(mm-1) Ae(mm2) Le(mm) Ve(mm3) Inductor coefficient AL(nH/N2) Weight (grams/pair)
EI22/18 22±0.5 14.6±0.2 5.7±0.25 5.7±0.25 15.8 min 11±0.2 3.6±0.2 1.7 34.6 42.7 1477.42  1800±25% 2200±25% 9.5
EI28/21 28±0.6 17.15±0.2 10.75±0.25 7.25±0.25 18.6 min 12.65±0.3 3.5±0.2 0.57  85 48.7 4150  3600±25% 4500±25% 26.2
EI28.5/21 28.6±0.5 17±0.2 10.7±0.25 7.25±0.25 20 min 12.7±0.25 3.5±0.2   81.2 50.8 4124.96  3600±25% 4500±25% 23.9
EI33/29 33±0.6 24±0.3 12.7±0.3 9.5±0.30 23.4 min 19.3±0.3 4.7±0.3 0.57  118.2 67.6 7990.32  3800±25% 4600±25% 42.8
EI40/34 40±0.8 27±0.3 11.65±0.25 11.45±0.25 27.3 min 21.2±0.3 6.8±0.3 0.55  141.2 77.5 10953 4500±25% 5500±25% 62.8

 

Note:                      
AL Value Test Conditions: 1kHz, 0.3V, 100Ts                
The above is the standard specification of our company and can be designed according to the special requirements of customers.