HOME > Product Category > Electrical Transformer > Switching Mode Transformer > Converter Type Transformer > Converter EI Type Transformer

Features:

  • High flux density, permeability, low loss ferrite core
  • High efficiency and low heat generation
  • Designed to meet safety standards, such as UL, IEC, and VDE
  • Low cost

Applications:

  • VCRS, Copy machines
  • Audio equipment, Game machines,TV sets
  • Microcomputer equipment
  • Communications control equipment
  • Printers,Terminals, etc.

Electrical Characteristics:

  • Operating Temperature range: -10to +100
  • Storage temperature:-40 to +110
  • Switching frequency: 15 KHz to 120 KHz
  • Withstanding voltage: 1500/3750Vacfor 1 minutebetween primary & secondary
  • Insulation resistance: 500Vdc 100M min. between primary & secondary
  • Heat resistance class: E (120), B (130), F (155), H (180)

Part number
Maximum external dimensions(mm)
Rated output power(W)max.
Core sectional area(mm2)
No. of terminal
W
D
H
25KHz
50KHz
100KHz
EI-12.5
13.0
13.0
9.5
2.0
4.0
8.0
14.4
10.0
EI-16
18.0
14.0
17.0
7.0
14.0
26.0
19.8
10.0
EI-19
20.5
17.0
17.0
10.0
20.0
36.0
24.0
10.0
EI-22/19/6
23.0
17.0
20.5
14.0
26.0
46.0
37.0
10.0
EI-25
26.0
18.5
23.0
22.0
37.0
64.0
41.0
8.0
EI-28
30.0
25.5
23.0
33.0
60.0
91.0
86.0
12.0
EI-30
31.0
26.0
29.0
54.0
95.0
138.0
111.0
12.0
EI-33/29/13
34.0
29.0
31.5
75.0
125.0
179.0
118.5
12.0
EI-35
36.0
26.0
31.0
69.0
119.0
175.0
101.4
12.0
EI-40
41.0
30.0
36.0
111.0
195.0
297.0
148.0
12.0

Special inquiries besides the above common used types can be met upon your requirement.