Part | RoHS | Manufacturer | Transformer Type | Mounting Feature | Manufacturer Series | Approvals (V) | Terminal Finish | Power Rating | Center Tap Feature-2 | No. of Functions | No. of Winding (Primary) | Isolation Voltage | Inductance (Primary) | Packing Method | Output Current-1 | Minimum ET Product | Output Current-2 | No. of Winding (Secondary) | Sub-Category | Dimensions | Volt-Ampere Rating (VA) | Maximum Operating Temperature | Center Tap Feature-1 | Application | Output Voltage-2 | Output Voltage-1 | Minimum Operating Temperature | Nominal Operating Frequency | Rating (Primary) | Height | Width | Diameter | Nominal Input Voltage (V) | Load Resistance | Additional Features | Minimum Input Voltage (V) | JESD-609 Code | Minimum Operating Frequency | Length | Turns Ratio (Np:Ns) | Maximum Operating Frequency | Maximum Input Voltage (V) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Amecon |
TOROIDAL POWER TRANSFORMER |
1.25 A |
1 |
30 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
2288 |
||||||||||||||||||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
6 A |
6 A |
2 |
L85.7XB69.9XH71.4 (mm) |
YES |
5 V |
5 V |
50/60 HZ |
SINGLE 115V |
71.4 mm |
69.9 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
85.7 mm |
||||||||||||||||||||||||
|
Triad Magnetics |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL |
NO |
1 |
1500 V |
8 A |
1 |
Other Transformers |
L87.3XB88.9XH104.77 (mm) |
192 VA |
YES |
POWER |
24 V |
50/60 HZ |
SINGLE 115V |
104.77 mm |
88.9 mm |
87.3 mm |
115 |
|||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
2267 |
3.48 A |
1 |
400 VA |
60 HZ |
||||||||||||||||||||||||||||||||||||
|
Triad Magnetics |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL |
NO |
1 |
2500 V |
3 A |
1 |
Other Transformers |
L84.12XB50.8XH49.2 (mm) |
18.9 VA |
YES |
POWER |
6.3 V |
50/60 HZ |
SINGLE 115V |
49.2 mm |
50.8 mm |
84.12 mm |
115 |
|||||||||||||||||||||
|
Coilcraft |
POWER TRANSFORMER |
SURFACE MOUNT |
Tin/Silver (Sn/Ag) |
NO |
2500 V |
TR |
2 |
Other Transformers |
12.07mm x 8.1mm x 5.97mm |
125 Cel |
NO |
3.3 V |
5 V |
-40 Cel |
DUAL 3.3-5V |
5.97 mm |
8.1 mm |
e2 |
10.3 mm |
||||||||||||||||||||||
|
Triad Magnetics |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL |
NO |
1 |
1500 V |
1.5 A |
1 |
Other Transformers |
L101.6XB57.15XH65.86 (mm) |
25.2 VA |
YES |
POWER |
35 V |
50/60 HZ |
SINGLE 115V |
65.86 mm |
57.15 mm |
101.6 mm |
115 |
|||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
8.33 A |
1 |
75 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Coilcraft |
POWER TRANSFORMER |
SURFACE MOUNT |
Tin/Silver - Matte Tin - with Nickel barrier |
NO |
2500 V |
TR, EMBOSSED PLASTIC, 13 INCH |
2 |
Other Transformers |
12.07mm x 8.1mm x 5.97mm |
125 Cel |
NO |
3.3 V |
5 V |
-40 Cel |
DUAL 3.3-5V |
5.97 mm |
8.1 mm |
10.3 mm |
|||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
6.67 A |
1 |
100 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Triad Magnetics |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL |
NO |
1 |
1500 V |
.7 A |
1 |
Other Transformers |
L82.55XB50.8XH50.8 (mm) |
16.8 VA |
YES |
POWER |
24 V |
50/60 HZ |
SINGLE 115V |
50.8 mm |
50.8 mm |
82.55 mm |
115 |
|||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
68 |
YES |
1500 V |
4 A |
4 A |
2 |
114.3mm X 114.3mm X 95.3mm |
YES |
34 V |
34 V |
50/60 HZ |
SINGLE 115V |
95.3 mm |
114.3 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
114.3 mm |
|||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
50 A |
25 A |
2 |
L114.3XB95.3XH95.3 (mm) |
YES |
5 V |
5 V |
50/60 HZ |
SINGLE 115V |
95.3 mm |
95.3 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
114.3 mm |
||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
.83 A |
1 |
15 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Triad Magnetics |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL |
NO |
2 |
1500 V |
2 A |
1 |
Other Transformers |
L101.6XB57.15XH65.86 (mm) |
50.4 VA |
YES |
POWER |
25.2 V |
50/60 HZ |
SINGLE 115/230V |
65.86 mm |
57.15 mm |
101.6 mm |
||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
8.33 A |
1 |
100 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Triad Magnetics |
SPLIT BOBBIN POWER TRANSFORMER |
THROUGH HOLE MOUNTED |
UL |
NO |
2 |
2000 V |
1 A |
1 A |
2 |
L63.5XB50.8XH26.97 (mm) |
12 VA |
NO |
POWER |
12 V |
12 V |
50/60 HZ |
DUAL 115/230V |
26.97 mm |
50.8 mm |
115/230 |
PCB MOUNTABLE |
63.5 mm |
|||||||||||||||||||
|
Hammond Manufacturing |
POWER TRANSFORMER |
CHASSIS MOUNT |
CSA |
NO |
1 |
500 VA |
YES |
2500 V |
50/60 HZ |
SINGLE 115V |
115 |
115 |
|||||||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
2.5 A |
1 |
30 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
13.04 A |
1 |
1500 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Hammond Manufacturing |
POWER TRANSFORMER |
CHASSIS MOUNT |
CSA |
NO |
1 |
1610 VA |
YES |
3500 V |
50/60 HZ |
SINGLE 115V |
115 |
115 |
|||||||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
12 A |
12 A |
2 |
L95.3XB82.6XH79.4 (mm) |
YES |
5 V |
5 V |
50/60 HZ |
SINGLE 115V |
79.4 mm |
82.6 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
95.3 mm |
||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
1.04 A |
1 |
50 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
16 |
YES |
1500 V |
12 A |
12 A |
2 |
104.8mm X 98.4mm X 87.3mm |
YES |
8 V |
8 V |
50/60 HZ |
SINGLE 115V |
87.3 mm |
98.4 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
104.8 mm |
|||||||||||||||||||||||
Block Transformatoren-elektronik |
POWER TRANSFORMER |
CHASSIS MOUNT |
CUL; EAC; UL; VDE |
NO |
2 |
800 VA |
40 Cel |
NO |
12 V |
12 V |
50-60 HZ |
SINGLE 230V |
166.116 mm |
199.898 mm |
230 |
282.956 mm |
||||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
6.52 A |
1 |
1500 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
1 A |
1 |
30 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
1.3 A |
1 |
150 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
36 |
YES |
1500 V |
1 A |
1 A |
2 |
76.2mm X 69.9mm X 63.5mm |
YES |
18 V |
18 V |
50/60 HZ |
SINGLE 115V |
63.5 mm |
69.9 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
76.2 mm |
||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
2 A |
2 A |
2 |
85.7mm X 74.6mm X 71.4mm |
YES |
18 V |
18 V |
50/60 HZ |
SINGLE 115V |
71.4 mm |
74.5 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
85.7 mm |
||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
2.68 A |
1 |
150 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Myrra Sas |
POWER TRANSFORMER |
THROUGH HOLE MOUNTED |
EN; UL |
NO |
.556 A |
2 |
10 VA |
50 Cel |
NO |
9 V |
9 V |
50-60 HZ |
SINGLE 230V |
34.75 mm |
42.5 mm |
230 |
50.5 mm |
||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
1.67 A |
1 |
50 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
56 |
YES |
1500 V |
25 A |
25 A |
2 |
162mm X 181mm X 134.9mm |
YES |
28 V |
28 V |
50/60 HZ |
SINGLE 105/115/125V |
134.9 mm |
181 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
162 mm |
|||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
.5 A |
1 |
15 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
36 |
YES |
1500 V |
4 A |
4 A |
2 |
104.8mm X 85.7mm X 87.3mm |
YES |
18 V |
18 V |
50/60 HZ |
SINGLE 115V |
87.3 mm |
85.7 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
104.8 mm |
|||||||||||||||||||||||
|
Triad Magnetics |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL |
NO |
1 |
1500 V |
4 A |
1 |
Other Transformers |
L101.6XB57.15XH65.07 (mm) |
NO |
POWER |
12 V |
60 HZ |
SINGLE 115V |
65.07 mm |
57.15 mm |
101.6 mm |
115 |
||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
4.17 A |
1 |
150 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
12 A |
12 A |
2 |
L162XB133.4XH134.9 (mm) |
YES |
28 V |
28 V |
50/60 HZ |
SINGLE 105/115/125V |
134.9 mm |
133.4 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
162 mm |
|||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
.43 A |
1 |
50 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Coilcraft |
POWER TRANSFORMER |
SURFACE MOUNT |
AEC-Q200 |
Tin/Silver - Tin - with Nickel barrier |
NO |
2500 V |
TR, EMBOSSED PLASTIC, 13 INCH |
2 |
L12.07XB10.0XH5.97 (mm) |
125 Cel |
NO |
6 V |
6 V |
-40 Cel |
150 KHZ |
DUAL 5V |
5.97 mm |
8.1 mm |
5 |
10.3 mm |
|||||||||||||||||||||
|
Myrra Sas |
POWER TRANSFORMER |
THROUGH HOLE MOUNTED |
EN; UL |
NO |
.333 A |
2 |
10 VA |
50 Cel |
NO |
15 V |
15 V |
50-60 HZ |
SINGLE 230V |
34.75 mm |
42.5 mm |
230 |
50.5 mm |
||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
8 A |
8 A |
2 |
L85.7XB79.4XH71.4 (mm) |
YES |
5 V |
5 V |
50/60 HZ |
SINGLE 115V |
71.4 mm |
79.4 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
85.7 mm |
||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
3.13 A |
1 |
150 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
4 A |
4 A |
2 |
L90.5XB60.3XH77.7 (mm) |
YES |
5 V |
5 V |
50/60 HZ |
SINGLE 115V |
77.7 mm |
60.3 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
90.5 mm |
||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
6.67 A |
1 |
120 VA |
60 HZ |
|||||||||||||||||||||||||||||||||||||
Amecon |
TOROIDAL POWER TRANSFORMER |
2107 |
.35 A |
1 |
40 VA |
60 HZ |
Power and mains transformers are types of electrical transformers used in power transmission and distribution systems to convert high voltage and low current to low voltage and high current or vice versa. They are essential components in the electricity grid, and are used to step up or step down voltage levels for efficient transmission and distribution of electrical energy.
Power transformers are used in high voltage transmission systems, typically at voltages of 110 kV and above, to step up or step down the voltage levels. They have a high power rating, typically ranging from several hundred kVA to several thousand MVA, and are designed to handle high currents and voltages without overheating or breaking down. Power transformers are typically oil-immersed, and use a magnetic core made of laminated steel to reduce losses and improve efficiency.
Mains transformers, also known as distribution transformers, are used in low voltage distribution systems, typically at voltages of 11 kV or below, to step down the voltage levels for use by consumers. They have a lower power rating than power transformers, typically ranging from several kVA to several hundred kVA, and are designed to operate at lower voltages and currents. Mains transformers are typically dry-type, and use a magnetic core made of laminated steel or ferrite to reduce losses and improve efficiency.
Both power and mains transformers require proper design, selection, and maintenance to ensure reliable and efficient operation. They are subject to various standards and regulations, such as IEC (International Electrotechnical Commission) and IEEE (Institute of Electrical and Electronics Engineers), to ensure their safety and performance. Proper installation and maintenance of transformers, such as regular inspection, testing, and oil analysis, are also critical to ensure their longevity and performance.