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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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PF24-34PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
PF24 | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 17V, Series 34V | Parallel 850mA, Series 430mA | Dual | Dual | No | 24VA | Through Hole | PC Pin | 72.00mm L x 58.00mm W | 31.80mm | 1500Vrms | - |
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PF24-10PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
PF24 | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 5V, Series 10V | Parallel 4.8A, Series 2.4A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 72.00mm L x 58.00mm W | 31.80mm | 1500Vrms | - |
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PF24-20PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
PF24 | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 10V, Series 20V | Parallel 2.4A, Series 1.2A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 72.00mm L x 58.00mm W | 31.80mm | 1500Vrms | - |
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PF24-30PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
PF24 | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 15V, Series 30V | Parallel 1.6A, Series 800mA | Dual | Dual | No | 24VA | Through Hole | PC Pin | 72.00mm L x 58.00mm W | 31.80mm | 1500Vrms | - |
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3FL34-340PWR XFMR LAMINATED 12VA TH |
0 | - |
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Datasheet |
3FL | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 17V, Series 34V | Parallel 680mA, Series 340mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 63.50mm L x 50.80mm W | 27.05mm | 1500Vrms | - |
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3FL12-950PWR XFMR LAMINATED 12VA TH |
0 | - |
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Datasheet |
3FL | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 1.9A, Series 950mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 63.50mm L x 50.80mm W | 27.05mm | 1500Vrms | - |
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PF24-12PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
PF24 | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 3.8A, Series 1.9A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 72.00mm L x 58.00mm W | 31.80mm | 1500Vrms | - |
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PF24-16PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
PF24 | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 8V, Series 16V | Parallel 3A, Series 1.5A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 72.00mm L x 58.00mm W | 31.80mm | 1500Vrms | - |
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3FL20-600PWR XFMR LAMINATED 12VA TH |
0 | - |
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Datasheet |
3FL | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 10V, Series 20V | Parallel 1.2A, Series 600mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 63.50mm L x 50.80mm W | 27.05mm | 1500Vrms | - |
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PF24-24PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
PF24 | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 12V, Series 24V | Parallel 2A, Series 1A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 72.00mm L x 58.00mm W | 31.80mm | 1500Vrms | - |
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PL10-10-130BPWR XFMR LAMINATED 10VA TH |
0 | - |
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Datasheet |
PL10-xx130B | Tube | Obsolete | Laminated Core | 115V, 230V | Parallel 5V, Series 10V | Parallel 2A, Series 1A | Dual | Dual | No | 10VA | Through Hole | PC Pin | 47.60mm L x 39.70mm W | 36.20mm | 3500Vrms | - |
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PL20-10-130BPWR XFMR LAMINATED 20VA TH |
0 | - |
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Datasheet |
PL20-xx-130B | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 5V, Series 10V | Parallel 4A, Series 2A | Dual | Dual | No | 20VA | Through Hole | PC Pin | 57.20mm L x 47.60mm W | 41.28mm | 3500Vrms | - |
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PL56-12-130BPWR XFMR LAMINATED 56VA TH |
0 | - |
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Datasheet |
PL56-xx-130B | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 8.8A, Series 4.4A | Dual | Dual | No | 56VA | Through Hole | PC Pin | 76.20mm L x 64.00mm W | 48.50mm | 3500Vrms | - |
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PLT56-32-130BPWR XFMR LAMINATED 56VA TH |
0 | - |
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Datasheet |
- | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 9.3V, Series 27.5V | Parallel 680mA, Series 4A | Dual | Dual | Yes | 56VA | Through Hole | PC Pin | 76.20mm L x 64.00mm W | 48.50mm | 3500Vrms | - |
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10A009PWR XFMR LAMINATED TH |
0 | - |
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Datasheet |
- | Bulk | Active | Laminated Core | 230V | 10V | 50mA | Single | Single, Multiple Taps | Yes | - | Through Hole | PC Pin | 29.46mm L x 28.45mm W | 27.94mm | 4000Vrms | - |
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PFT6-32PWR XFMR SEMI-TORO 6VA TH |
0 | - |
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Datasheet |
- | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 17.5V, Series 31.5V | Parallel 155mA, Series 65mA | Dual | Dual | Yes | 6VA | Through Hole | PC Pin | 47.60mm L x 39.70mm W | 21.60mm | 1500Vrms | - |
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PFT6-38PWR XFMR SEMI-TORO 6VA TH |
0 | - |
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Datasheet |
- | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 17.5V, Series 37.5V | Parallel 155mA, Series 60mA | Dual | Dual | Yes | 6VA | Through Hole | PC Pin | 47.60mm L x 39.70mm W | 21.60mm | 1500Vrms | - |
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PFT12-28PWR XFMR SEMI-TORO 12VA TH |
0 | - |
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Datasheet |
- | Tube | Obsolete | Semi-Toroidal | 115V, 230V | 28V, 16V | 360mA, 187mA | Dual | Dual | Yes | 12VA | Through Hole | PC Pin | 63.50mm L x 50.80mm W | 27.00mm | 1500Vrms | - |
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PFT12-35PWR XFMR SEMI-TORO 12VA TH |
0 | - |
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Datasheet |
- | Tube | Obsolete | Semi-Toroidal | 115V, 230V | 35V, 16V | 360mA, 150mA | Dual | Dual | Yes | 12VA | Through Hole | PC Pin | 63.50mm L x 50.80mm W | 27.00mm | 1500Vrms | - |
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PFT24-28PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
- | Tube | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 16V, Series 28V | Parallel 720mA, Series 375mA | Dual | Dual | Yes | 24VA | Through Hole | PC Pin | 73.80mm L x 58.00mm W | 31.70mm | 1500Vrms | - |

