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0755-82798135Power Transformers
Power Transformers
Power Transformers are electromagnetic components used to convert voltage levels, transfer electrical energy and provide isolation in power supply and electronic systems. They are widely used in AC-DC power supplies, industrial control equipment, automation systems, consumer electronics, medical devices, lighting systems, communication equipment and embedded applications.
This category includes step-down transformers, step-up transformers, isolation transformers, PCB power transformers, chassis mount transformers, toroidal transformers, control transformers and related magnetic components. These products are commonly selected based on input voltage, output voltage, power rating, frequency, insulation rating, mounting type, package style, safety approvals and application requirements.
TomatoElec supplies original Power Transformers from recognized manufacturers such as Hammond Manufacturing, Triad Magnetics, Würth Elektronik, Pulse Electronics, Bourns, TDK, Murata, TE Connectivity and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Packaging | Product Status | Type | Voltage - Primary | Voltage - Secondary (Full Load) | Current - Output (Max) | Primary Winding(s) | Secondary Winding(s) | Center Tap | Power - Max | Mounting Type | Termination Style | Size / Dimension | Height - Seated (Max) | Voltage - Isolation | Weight |
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E350WAPWR XFMR LAMINATED 350VA CHAS MT |
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Datasheet |
SBE | Bulk | Active | Laminated Core | - | - | - | - | - | No | 350VA | Chassis Mount | Solder, Quick Connect | 133.40mm L x 128.80mm W | - | - | - |
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E350WBPWR XFMR LAMINATED 350VA CHAS MT |
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Datasheet |
SBE | Bulk | Active | Laminated Core | - | - | - | - | - | No | 350VA | Chassis Mount | Solder, Quick Connect | 133.40mm L x 128.80mm W | - | - | - |
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0400MD-1-003PWR XFMR TOROIDAL 400VA CHAS MT |
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Datasheet |
MD | Box | Active | Toroidal | 100V, 120V, 200V, 240V | Parallel 120V, Series 240V | Parallel 3.33A, Series 1.67A | Dual, Multiple Taps | Single, Multiple Taps | No | 400VA | Chassis Mount | Wire Leads | 132.00mm Dia x 64.00mm W | - | 5000Vrms | 7.5 lbs (3.4 kg) |
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M4L-3-10-115M4L 1000VA WITH INPUT 100/115/20 |
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Datasheet |
M4L | Tray | Active | - | 115V, 100V | Parallel 115V, Series 230V | Parallel 8.7A, Series 4.35A | Dual, Multiple Taps | Dual | No | 1000VA | Chassis Mount | Terminal Block | 144.78mm L x 124.21mm W | 133.35mm | 4000V | - |
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M4L-3-10-230M4L 1000VA WITH INPUT 100/115/20 |
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Datasheet |
M4L | Tray | Active | - | 115V, 100V | 230V | 4.35A | Dual, Multiple Taps | Single | No | 1000VA | Chassis Mount | Terminal Block | 144.78mm L x 124.21mm W | 133.35mm | 4000V | - |
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MPI-400-10PWR XFMR LAMINATED 400VA CHAS MT |
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Datasheet |
MPI | Bulk | Active | Laminated Core | 100V, 115V, 200V, 215V, 230V | Parallel 5V, Series 10V | Parallel 80A, Series 40A | Dual, Multiple Taps | Dual | No | 400VA | Chassis Mount | Terminal Block | 104.80mm L x 128.10mm W | 98.20mm | 4000Vrms | 9.9 lbs (4.5 kg) |
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MPI-400-12PWR XFMR LAMINATED 400VA CHAS MT |
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Datasheet |
MPI | Bulk | Active | Laminated Core | 100V, 115V, 200V, 215V, 230V | Parallel 6V, Series 12V | Parallel 66.6A, Series 33.3A | Dual, Multiple Taps | Dual | No | 400VA | Chassis Mount | Terminal Block | 104.80mm L x 128.10mm W | 98.20mm | 4000Vrms | 9.9 lbs (4.5 kg) |
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MPI-400-16PWR XFMR LAMINATED 400VA CHAS MT |
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Datasheet |
MPI | Bulk | Active | Laminated Core | 100V, 115V, 200V, 215V, 230V | Parallel 8V, Series 16V | Parallel 50A, Series 25A | Dual, Multiple Taps | Dual | No | 400VA | Chassis Mount | Terminal Block | 104.80mm L x 128.10mm W | 98.20mm | 4000Vrms | 9.9 lbs (4.5 kg) |
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MPI-400-20PWR XFMR LAMINATED 400VA CHAS MT |
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Datasheet |
MPI | Bulk | Active | Laminated Core | 100V, 115V, 200V, 215V, 230V | Parallel 10V, Series 20V | Parallel 40A, Series 20A | Dual, Multiple Taps | Dual | No | 400VA | Chassis Mount | Terminal Block | 104.80mm L x 128.10mm W | 98.20mm | 4000Vrms | 9.9 lbs (4.5 kg) |
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MT0150KPWR XFMR 150VA CHAS MT |
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Datasheet |
US2 | Box | Active | - | 600V | 24V | - | - | - | No | 150VA | Chassis Mount | Terminal Block | - | - | - | - |
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XF-00225-2120PWR XFMR TOROIDAL 225VA CHAS MT |
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Datasheet |
- | Bulk | Active | Toroidal | 117V | Parallel 117V, Series 234V | Parallel 1.86A, Series 930mA | Dual | Dual | No | 225VA | Chassis Mount | Wire Leads | 116.84mm Dia | 55.88mm | 4000Vrms | 5.1 lbs (2.3 kg) |
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MT0050LPWR XFMR 50VA CHAS MT |
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Datasheet |
- | Box | Active | - | 208V, 220V, 230V, 240V, 380V, 400V, 416V, 440V, 460V, 480V, 500V, 550V, 575V, 600V | 130V, 125V, 120V, 120V, 115V, 110V, 100V, 99V, 95V, 91V, 85V | - | - | - | No | 50VA | Chassis Mount | Terminal Block | 112.01mm L x 84.07mm W | 87.63mm | - | - |
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A6X30133564PWR XFMR 200VA CHAS MT |
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- | Box | Active | - | 120V, 240V | 24V | - | - | - | No | 200VA | Chassis Mount | Terminal Block | - | - | - | - |
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265K234PWR XFMR 350VA CHAS MT |
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Datasheet |
265 | Bulk | Active | - | 117V, 234V | Parallel 117V, Series 234V | Parallel 3A, Series 1.5A | Dual | Dual | Yes | 350VA | Chassis Mount | Wire Leads | 114.30mm L x 106.43mm W | 95.25mm | 2000Vrms | - |
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M4L-3-10-32M4L 1000VA WITH INPUT 100/115/20 |
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Datasheet |
M4L | Tray | Active | - | 115V, 100V | 32V | 31.25A | Dual, Multiple Taps | Single | No | 1000VA | Chassis Mount | Terminal Block | 144.78mm L x 124.21mm W | 133.35mm | 4000V | - |
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290YEXPWR XFMR CHAS MT |
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Datasheet |
290 | Bulk | Active | - | 240V | 372V, 6.3V | 400mA, 4A | Single | Triple | Yes | - | Chassis Mount | Wire Leads | 87.33mm L x 129.54mm W | 104.78mm | 2500Vrms | - |
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PWDI13205PWR XFMR |
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Datasheet |
* | Case | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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290XXBPWR XFMR CHAS MT |
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Datasheet |
290 | Bulk | Active | - | 117V | 260V, 6.3V | 170mA, 3A | Single | Dual | Yes | - | Chassis Mount | Wire Leads | 76.20mm L x 63.50mm W | 29.34mm | 2500Vrms | - |
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290DHXPWR XFMR CHAS MT |
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Datasheet |
290 | Bulk | Active | - | 120V | 315V, 26V, 6V, 6.3V | 250mA, 100mA, 1A, 5A | Single | Four | Yes | - | Chassis Mount | Wire Leads | 95.25mm L x 87.63mm W | 80.01mm | - | - |
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PWDP13135PWR XFMR LAMINATED CHAS MT |
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Datasheet |
PWDAHL | Case | Active | Laminated Core | 120V | - | - | Dual | Triple | Yes | - | Chassis Mount | Wire Leads | - | - | - | - |

