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Classic EI Transformer

Home >  Products >  Transformers >  EI Transformers >  Classic EI Transformer

CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output

This high-quality EI 66 28 power transformer delivers reliable 30W performance for audio applications, making it ideal for stereo speaker amplifiers and audio equipment. CE certified and meticulously engineered, this single-phase electronic transformer features durable lead wire outputs for easy installation and secure connections. The EI lamination design ensures excellent magnetic properties and minimal core losses, while providing stable voltage conversion and noise-free audio output. Perfect for DIY audio enthusiasts and professional manufacturers alike, this transformer offers consistent performance and clean power delivery to support premium sound quality. Its compact size and robust construction make it suitable for various audio devices where reliable power transformation is essential. All materials and manufacturing processes comply with international safety standards, guaranteeing peace of mind for your audio projects.

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CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output supplier
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output supplier
ECKO ei transformer according to EN61558. Suitable for installation in electronically equipment.
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.
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output details
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output supplier
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output details
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output factory
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output manufacture
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output supplier
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
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output manufacture
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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
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DVD player, multimedia audio system,TV set, small charger, madical machine, beauty salon equipment,
instrument equipment,Stage lighting equipment, lighting control circuit, automatic equipment control circuit, mechanical control circuit,energy-saving equipment control circuit and other small power supply.
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output factory
CE for Certified Single Phase Electronic EI 66 28 Power Transformer 30W Audio Output Lead Wire for Stereo Speaker Amp Output manufacture

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  • R&D Team

    R&D Team

    Strong design and development ability, our R&D team, more than 20 years of industry experience, we provide a full set of solutions. Make samples quickly,1day the soonest.

  • Delivery Time

    Delivery Time

    Our flexible production line and skilled workers,sample can be finished in 1-3 days,order within 10000pcs can be delivery in 10-20 days,negotiable according to issue.

  • Quality

    Quality

    100% inspection and testing before delivery, the products have passed the CE/ROHS/CUL certification,24 months quality assurance.

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    24 Hours Online Service

    Global customers, no time barrier. Fast support on orders, production, tech & inquiries. Contact us or visit our factory.

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