Ac 110V 120V 220V to Ac 6V 9V 12V 15V 18V 24V Single Phase EI Transformer
- Broad Voltage Compatibility: 110V/120V/220V input to 6V/9V/12V/15V/18V/24V output for diverse electronics
- Stable EI Core Performance: Laminated core design ensures minimal losses and excellent voltage regulation
- Comprehensive Safety Protection: Built-in short circuit & overload safeguards, plus full safety certifications
- Durable & Low-Maintenance: Robust build for long-term consistent operation; easy installation, no upkeep needed
- Wide Application Scope: Ideal for industrial equipment, lighting systems, control panels & DIY electronics projects
- Overview
- Recommended Products



Designed as a safety isolating transformer with separate insulated windings and prepared for class II equipment.
Short circuit and overload protected with thermal fuse on primary side. Up to 50% less weight than a similar conventional transformer.Low magnetisation currents and no-load losses.






Product Name |
EI laminated Tube Power Transformer |
Model No. |
EI 66x28 |
Rated Input Voltage |
0-220V(custom available) |
Rated Output Voltage |
12 0 12V (custom available) |
Frequency |
50/60Hz |
Rated Power |
30VA (custom available) |
Dimension |
L68XW54XH59 MM |
Weight |
0.93kgs |
Insulation Class |
Class B/Class F/Class E |
Ambient temperature |
Ta=25°C |
HI-POT test |
4000VAC |
Degree of protection |
IP00 |
Certificate |
CE Rohs ISO |
Standard |
EN61558, EN61000,IEC52321 |
Custom Made |
Yes |
Raw Material |
Full copper enameled wire, cold rolled grant oriented silicon steel lamination iron core, flame-retardant EI bobbin, high insulation tape, Iron mounting bracket |
Features |
High Quality, Small size, light weight, low noise, low no-load, low magnetic leakage, shielding, low temperature rise, high efficiency, low price, high performance |
Application |
1.Audio equipment , Vacuum tube amplifier , Celling Speaker, loudspeaker, Guitar , DVD player , Multimedia audio system , Broadcast system , Monitor security system, signal 2.Switching-mode power supply (SMPS) , Switching AC-DC adapter , Electronics power board , chargers, energy control , energy saving system
3.Medical equipment, dental chair, dental equipment, medical chair, lift chair, medical bed, hospital bed, medical lab equipment, patient monitoring equipment, instrument equipment, beauty salon spa equipment, Washing machine
4.Decorative lighting, Stage light, lighting control, LED , Traffic Light, Street Lighting
5. Home appliance, water dispenser,household blender,air-conditioner,mainframe computer, Garage door, Automatic door, Electric curtain
|




Model |
Specification |
Dimension(MM) |
Power (W) |
||||||||||||
A |
B |
C |
D |
E |
I |
J |
|||||||||
EI 28
|
ei 2812 |
30 |
26 |
27 |
51 |
41 |
7 |
3 |
1W |
||||||
ei 2815 |
30 |
29 |
27 |
51 |
41 |
7 |
3 |
1.5W |
|||||||
ei 2818 |
30 |
32 |
27 |
51 |
41 |
7 |
3 |
2W |
|||||||
EI 35
|
ei 3510 |
37 |
27.4 |
31 |
59 |
49 |
6.4 |
4 |
1W |
||||||
ei 3515 |
37 |
32.4 |
31 |
59 |
49 |
7 |
4 |
2.5W |
|||||||
ei 3518 |
37 |
35.4 |
31 |
59 |
49 |
7 |
4 |
3W |
|||||||
EI 41
|
ei 4116 |
43 |
34 |
35 |
65.3 |
55 |
6.3 |
4 |
4.5W |
||||||
ei 4120 |
43 |
37.8 |
35 |
67 |
55 |
6.3 |
4 |
6W |
|||||||
ei 4126 |
43 |
44 |
35 |
67 |
55 |
6.3 |
4 |
9W |
|||||||
EI 48
|
ei 4820 |
50 |
38.3 |
43 |
75 |
63 |
8 |
4 |
10W |
||||||
EI57 |
ei 4824 |
50 |
42.5 |
43 |
75 |
63 |
8 |
4 |
12W |
||||||
ei 4830 |
50 |
49 |
43 |
75 |
63 |
8 |
4 |
17W |
|||||||
ei 4835 |
50 |
54 |
43 |
75 |
63 |
8 |
4 |
20W |
|||||||
EI 57
|
ei 5719 |
59 |
42.5 |
50 |
84 |
74 |
8 |
4 |
12W |
||||||
ei 5725 |
59 |
49 |
50 |
84 |
74 |
8 |
5 |
20W |
|||||||
ei 5730 |
59 |
59 |
51 |
91 |
74 |
10 |
5 |
28W |
|||||||
ei 5735 |
59 |
59 |
51 |
91 |
74 |
10 |
5 |
36W |
|||||||
EI 66
|
ei 6628 |
68 |
54 |
59 |
98 |
82 |
10 |
5 |
30W |
||||||
ei 6632 |
68 |
58 |
59 |
98 |
82 |
10 |
5 |
40W |
|||||||
EI76 |
ei 6636 |
68 |
62 |
59.3 |
98 |
82 |
10 |
5 |
50W |
||||||
ei 6640 |
68 |
66 |
59.3 |
98 |
82 |
10 |
5 |
56W |
|||||||
ei 6645 |
68 |
71 |
59.3 |
98 |
82 |
10 |
5 |
68W |
|||||||
EI 76
|
ei 7632 |
78 |
64 |
67 |
110 |
95 |
10 |
5 |
52W |
||||||
EI86 |
ei 7638 |
78 |
70 |
67 |
110 |
95 |
10 |
5 |
70W |
||||||
ei 7642 |
78 |
74 |
67 |
110 |
95 |
10 |
5 |
80W |
|||||||
ei 7645 |
78 |
76 |
67 |
110 |
95 |
10 |
5 |
90W |
|||||||
EI 86
|
ei 8636 |
86 |
71 |
73 |
72 |
50 |
8 |
5 |
80W |
||||||
EI96 |
ei 8642 |
86 |
77 |
73 |
72 |
56 |
8 |
5 |
100W |
||||||
ei 8645 |
86 |
80 |
73 |
72 |
59 |
8 |
5 |
125W |
|||||||
ei 8650 |
86 |
85 |
73 |
72 |
64 |
8 |
5 |
150W |
|||||||
DVD player, multimedia audio system,TV set, small charger, madical machine, beauty salon equipment, 







