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) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Hammond Manufacturing |
TOROIDAL POWER TRANSFORMER |
CHASSIS MOUNT |
CE; CSA; IEC; UL |
NO |
4000 V |
6.82 A |
2 |
750 VA |
NO |
110 V |
110 V |
50/60 HZ |
DUAL 117/234V |
60.452 mm |
149.352 mm |
117/234 |
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|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
2 A |
2 A |
2 |
L76.2XB63.5XH63.5 (mm) |
YES |
6.4 V |
6.4 V |
50/60 HZ |
SINGLE 115V |
63.5 mm |
63.5 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
76.2 mm |
||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
6 A |
6 A |
2 |
L85.7XB77.7XH71.4 (mm) |
YES |
6.4 V |
6.4 V |
50/60 HZ |
SINGLE 115V |
71.4 mm |
77.7 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
85.7 mm |
||||||||||||||||||||||||
|
Hammond Manufacturing |
POWER TRANSFORMER |
CHASSIS MOUNT |
NO |
2000 V |
1 |
105 Cel |
NO |
-40 Cel |
58.6232 mm |
60.96 mm |
.07 KHz |
93.6752 mm |
15 KHz |
||||||||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
24 |
YES |
1500 V |
6 A |
6 A |
2 |
104.8mm X 82.6mm X 87.3mm |
YES |
12 V |
12 V |
50/60 HZ |
SINGLE 115V |
87.3 mm |
82.6 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
104.8 mm |
|||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
36 |
YES |
1500 V |
25 A |
25 A |
2 |
162mm X 146.1mm X 134.9mm |
YES |
18 V |
18 V |
50/60 HZ |
SINGLE 105/115/125V |
134.9 mm |
146.1 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
162 mm |
|||||||||||||||||||||||
|
Bel Fuse |
POWER TRANSFORMER |
CHASSIS MOUNT |
YES |
1500 V |
12 A |
12 A |
2 |
L133.4XB108XH111.1 (mm) |
YES |
28 V |
28 V |
50/60 HZ |
SINGLE 115V |
111.1 mm |
108 mm |
THE TWO SECONDARIES HAVE CENTER TAPPED CONNECTIONS |
133.4 mm |
||||||||||||||||||||||||
|
Hammond Manufacturing |
POWER TRANSFORMER |
CHASSIS MOUNT |
CSA |
NO |
1 |
750 VA |
YES |
2500 V |
50/60 HZ |
SINGLE 115V |
161.5694 mm |
134.1374 mm |
115 |
145.3134 mm |
115 |
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Stancor Products |
POWER TRANSFORMER |
CHASSIS MOUNT |
CSA, TUV, UL |
3.6 A |
43 VA |
12 V |
12 V |
DUAL 115V |
69.85 mm |
49.276 mm |
115/230 |
82.55 mm |
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Block Transformatoren-elektronik |
POWER TRANSFORMER |
CHASSIS MOUNT |
CSA; CUL; EAC; UL |
NO |
2 |
5000 VA |
40 Cel |
NO |
115 V |
115 V |
50-60 HZ |
SINGLE 208-600V |
160.02 mm |
137.922 mm |
208-600 |
173.99 mm |
||||||||||||||||||||||||||
|
Triad Magnetics |
TOROIDAL POWER TRANSFORMER |
CHASSIS MOUNT |
CE, CUL, UL |
TIN |
NO |
2 |
4000 V |
50 A |
50 A |
2 |
D208.0XH112.0 (mm) |
2500 VA |
NO |
POWER |
50 V |
50 V |
50/60 HZ |
DUAL 115V |
120 mm |
210 mm |
115/230 |
e3 |
|||||||||||||||||||
|
Multicomp Pro |
TOROIDAL POWER TRANSFORMER |
CHASSIS MOUNT |
NO |
.83 A |
.83 A |
2 |
D74.0XH31.0 (mm) |
30 VA |
NO |
18 V |
18 V |
SINGLE 230V |
31 mm |
74 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
2.08 A |
1 |
76mm X 76mm X 65mm |
50 VA |
NO |
24 V |
50/60 HZ |
DUAL 120V |
65 mm |
76 mm |
76 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.43 A |
1 |
76mm X 76mm X 65mm |
50 VA |
NO |
115 V |
50/60 HZ |
DUAL 230V |
65 mm |
76 mm |
76 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.43 A |
1 |
76mm X 76mm X 65mm |
50 VA |
NO |
115 V |
50/60 HZ |
SINGLE 575V |
65 mm |
76 mm |
76 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.65 A |
1 |
76mm X 89mm X 65mm |
75 VA |
NO |
115 V |
50/60 HZ |
DUAL 230V |
65 mm |
89 mm |
76 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.46 A |
1 |
86mm X 91mm X 73mm |
100 VA |
NO |
110 V |
50/60 HZ |
SINGLE 380/400/415 V |
73 mm |
91 mm |
TAPPING WITH 0.91 A ALSO AVAILABLE |
86 mm |
||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.44 A |
1 |
76mm X 83mm X 65mm |
50 VA |
NO |
24 V |
50/60 HZ |
SINGLE 208/230/460 V |
65 mm |
83 mm |
TAPPING WITH 2.08 A ALSO AVAILABLE |
76 mm |
||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
4.17 A |
1 |
86mm X 86mm X 73mm |
100 VA |
NO |
24 V |
50/60 HZ |
DUAL 120V |
73 mm |
86 mm |
86 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.21 A |
1 |
76mm X 76mm X 65mm |
50 VA |
NO |
120 V |
50/60 HZ |
DUAL 240V |
65 mm |
76 mm |
TAPPING WITH 0.42 A ALSO AVAILABLE |
76 mm |
||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
2.08 A |
1 |
76mm X 76mm X 65mm |
50 VA |
NO |
24 V |
50/60 HZ |
DUAL 240V |
65 mm |
76 mm |
76 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.42 A |
1 |
86mm X 86mm X 73mm |
100 VA |
NO |
120 V |
50/60 HZ |
DUAL 240V |
73 mm |
86 mm |
TAPPING WITH 0.83 A ALSO AVAILABLE |
86 mm |
||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
1.3 A |
1 |
95mm X 106mm X 81mm |
150 VA |
NO |
115 V |
50/60 HZ |
SINGLE 208/230/460 V |
81 mm |
106 mm |
95 mm |
|||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.63 A |
1 |
95mm X 102mm X 81mm |
150 VA |
NO |
120 V |
50/60 HZ |
DUAL 240V |
81 mm |
102 mm |
TAPPING WITH 1.25 A ALSO AVAILABLE |
95 mm |
||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
.69 A |
1 |
95mm X 102mm X 81mm |
150 VA |
NO |
110 V |
50/60 HZ |
SINGLE 380/400/415 V |
81 mm |
102 mm |
TAPPING WITH 1.37 A ALSO AVAILABLE |
95 mm |
||||||||||||||||||||||||||
Micron Industries |
POWER TRANSFORMER |
CHASSIS MOUNT |
UL; CSA |
NO |
2.27 A |
1 |
133mm X 137mm X 121mm |
500 VA |
NO |
110 V |
50/60 HZ |
SINGLE 380/400/415 V |
121 mm |
137 mm |
TAPPING WITH 4.55 A ALSO AVAILABLE |
133 mm |
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.