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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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PFT24-35PWR XFMR SEMI-TORO 24VA TH |
0 | - |
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Datasheet |
- | Bulk | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 16V, Series 35V | Parallel 720mA, Series 300mA | Dual | Dual | Yes | 24VA | Through Hole | PC Pin | 71.70mm L x 58.00mm W | 31.70mm | 1500Vrms | - |
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TX12-10VPWR XFMR SEMI-TORO 12VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 10V, Series 20V | Parallel 1.2A, Series 600mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 50.80mm L x 50.80mm W | 27.18mm | 2000Vrms | - |
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TX12-12VPWR XFMR SEMI-TORO 12VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 12V, Series 24V | Parallel 1A, Series 500mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 50.80mm L x 50.80mm W | 27.18mm | 2000Vrms | - |
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TX12-17VPWR XFMR SEMI-TORO 12VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 17V, Series 34V | Parallel 700mA, Series 350mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 50.80mm L x 50.80mm W | 27.18mm | 2000Vrms | - |
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TX12-20VPWR XFMR SEMI-TORO 12VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 20V, Series 40V | Parallel 600mA, Series 300mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 50.80mm L x 50.80mm W | 27.18mm | 2000Vrms | - |
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TX12-5VPWR XFMR SEMI-TORO 12VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 5V, Series 10V | Parallel 2.4A, Series 1.2A | Dual | Dual | No | 12VA | Through Hole | PC Pin | 50.80mm L x 50.80mm W | 27.18mm | 2000Vrms | - |
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TX3-10VPWR XFMR SEMI-TORO 3VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 10V, Series 20V | Parallel 300mA, Series 150mA | Dual | Dual | No | 3VA | Through Hole | PC Pin | 40.64mm L x 39.62mm W | 16.51mm | 2000Vrms | - |
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TX3-115VPWR XFMR SEMI-TORO 3VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 115V, Series 230V | Parallel 26mA, Series 13mA | Dual | Dual | No | 3VA | Through Hole | PC Pin | 40.64mm L x 39.62mm W | 16.51mm | 2000Vrms | - |
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TX3-12VPWR XFMR SEMI-TORO 3VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 12V, Series 24V | Parallel 250mA, Series 125mA | Dual | Dual | No | 3VA | Through Hole | PC Pin | 40.64mm L x 39.62mm W | 16.51mm | 2000Vrms | - |
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TX3-20VPWR XFMR SEMI-TORO 3VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 20V, Series 40V | Parallel 150mA, Series 75mA | Dual | Dual | No | 3VA | Through Hole | PC Pin | 40.64mm L x 39.62mm W | 16.51mm | 2000Vrms | - |
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TX3-5VPWR XFMR SEMI-TORO 3VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 5V, Series 10V | Parallel 600mA, Series 300mA | Dual | Dual | No | 3VA | Through Hole | PC Pin | 40.64mm L x 39.62mm W | 16.51mm | 2000Vrms | - |
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TX3-8VPWR XFMR SEMI-TORO 3VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 8V, Series 16V | Parallel 375mA, Series 187mA | Dual | Dual | No | 3VA | Through Hole | PC Pin | 40.64mm L x 39.62mm W | 16.51mm | 2000Vrms | - |
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TX6-20VPWR XFMR SEMI-TORO 6VA TH |
0 | - |
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Datasheet |
TX | - | Obsolete | Semi-Toroidal | 115V, 230V | Parallel 20V, Series 40V | Parallel 300mA, Series 150mA | Dual | Dual | No | 6VA | Through Hole | PC Pin | 40.64mm L x 39.62mm W | 21.59mm | 2000Vrms | - |
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182H9PWR XFMR TOROIDAL 15VA CHAS MT |
0 | - |
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Datasheet |
182 | Bulk | Active | Toroidal | 117V, 234V | Parallel 9V, Series 18V | Parallel 1.66A, Series 830mA | Dual | Dual | No | 15VA | Chassis Mount | Wire Leads | - | 31.75mm | 4000Vrms | 0.76 lb (344.73 g) |
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182B240PWR XFMR TOROIDAL 15VA CHAS MT |
0 | - |
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Datasheet |
182 | Bulk | Active | Toroidal | 117V, 234V | 240V | 63mA | Dual | Single | No | 15VA | Chassis Mount | Wire Leads | - | 31.75mm | 4000Vrms | 0.76 lb (344.73 g) |
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182H18PWR XFMR TOROIDAL 30VA CHAS MT |
0 | - |
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Datasheet |
182 | Bulk | Active | Toroidal | 117V, 234V | Parallel 18V, Series 36V | Parallel 1.66A, Series 830mA | Dual | Dual | No | 30VA | Chassis Mount | Wire Leads | - | 40.64mm | 4000Vrms | 1.2 lbs (544.3 g) |
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182D110PWR XFMR TOROIDAL 15VA CHAS MT |
0 | - |
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Datasheet |
182 | Bulk | Active | Toroidal | 117V, 234V | Parallel 110V, Series 220V | Parallel 136mA, Series 68mA | Dual | Dual | No | 15VA | Chassis Mount | Wire Leads | - | 31.75mm | 4000Vrms | 0.76 lb (344.73 g) |
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182K12PWR XFMR TOROIDAL 30VA CHAS MT |
0 | - |
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Datasheet |
182 | Bulk | Active | Toroidal | 117V, 234V | Parallel 12V, Series 24V | Parallel 2.5A, Series 1.25A | Dual | Dual | No | 30VA | Chassis Mount | Wire Leads | - | 40.64mm | 4000Vrms | 1.2 lbs (544.3 g) |
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182D240PWR XFMR TOROIDAL 30VA CHAS MT |
0 | - |
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Datasheet |
182 | Bulk | Active | Toroidal | 117V, 234V | 240V | 125mA | Dual | Single | No | 30VA | Chassis Mount | Wire Leads | - | 40.64mm | 4000Vrms | 1.2 lbs (544.3 g) |
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182G15PWR XFMR TOROIDAL 15VA CHAS MT |
0 | - |
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Datasheet |
182 | Bulk | Active | Toroidal | 117V, 234V | Parallel 15V, Series 30V | Parallel 1A, Series 500mA | Dual | Dual | No | 15VA | Chassis Mount | Wire Leads | - | 31.75mm | 4000Vrms | 0.76 lb (344.73 g) |

