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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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PC-56-420PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC | Bulk | Active | Laminated Core | 115V | Parallel 28V, Series 56V | Parallel 840mA, Series 420mA | Single | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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20-300-LPIPWR XFMR SEMI-TORO 6VA TH |
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Datasheet |
LPI | Box | Active | Semi-Toroidal | 115V, 230V | Parallel 10V, Series 20V | Parallel 600mA, Series 300mA | Dual | Dual | No | 6VA | Through Hole | PC Pin | 60.20mm L x 42.10mm W | 22.70mm | 4000Vrms | 0.39 lb (176.9 g) |
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70005KPWR XFMR TOROIDAL 1.6VA TH |
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Datasheet |
7XXXX | Tray | Active | Toroidal | 115V, 230V | Parallel 22V, Series 44V | Parallel 72mA, Series 36mA | Dual | Dual | No | 1.6VA | Through Hole | PC Pin | 39.60mm L x 39.60mm W | 18.50mm | 4000Vrms | 0.157 lb (71.21 g) |
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PC-120-200PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC | Bulk | Active | Laminated Core | 115V | Parallel 60V, Series 120V | Parallel 400mA, Series 200mA | Single | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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40-60-LPIPWR XFMR SEMI-TORO 2.5VA TH |
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Datasheet |
LPI | Box | Active | Semi-Toroidal | 115V, 230V | Parallel 20V, Series 40V | Parallel 120mA, Series 60mA | Dual | Dual | No | 2.5VA | Through Hole | PC Pin | 60.20mm L x 42.10mm W | 18.30mm | 4000Vrms | 0.27 lb (122.47 g) |
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PC-28-800PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC | Box | Active | Laminated Core | 115V | Parallel 14V, Series 28V | Parallel 1.6A, Series 800mA | Single | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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14A-30-12PWR XFMR LAMINATED 30VA TH |
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Datasheet |
One-4-All™ | Box | Active | Laminated Core | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 4.8A, Series 2.4A | Dual | Dual | No | 30VA | Through Hole | PC Pin | 66.70mm L x 55.50mm W | 39.70mm | 4000Vrms | 1.2 lbs (544.3 g) |
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DPC-16-75PWR XFMR LAMINATED 1.2VA TH |
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Datasheet |
DPC | Box | Active | Laminated Core | 115V, 230V | Parallel 8V, Series 16V | Parallel 150mA, Series 75mA | Dual | Dual | No | 1.2VA | Through Hole | PC Pin | 34.90mm L x 28.60mm W | 30.15mm | 1500Vrms | 0.188 lb (85.28 g) |
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DP-241-6-10PWR XFMR LAMINATED 30VA CHAS MT |
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Datasheet |
Two-4-One™ | Box | Active | Laminated Core | 115V, 230V | 10V | 3A | Dual | Single | Yes | 30VA | Chassis Mount | Solder, Quick Connect | 82.60mm L x 44.30mm W | 49.80mm | 2500Vrms | 1.1 lbs (499 g) |
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DP-241-6-48PWR XFMR LAMINATED 30VA CHAS MT |
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Datasheet |
Two-4-One™ | Bulk | Active | Laminated Core | 115V, 230V | 48V | 630mA | Dual | Single | Yes | 30VA | Chassis Mount | Solder, Quick Connect | 82.60mm L x 44.30mm W | 49.80mm | 2500Vrms | 1.1 lbs (499 g) |
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DP-241-6-56PWR XFMR LAMINATED 30VA CHAS MT |
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Datasheet |
Two-4-One™ | Bulk | Active | Laminated Core | 115V, 230V | 56V | 540mA | Dual | Single | Yes | 30VA | Chassis Mount | Solder, Quick Connect | 82.60mm L x 44.30mm W | 49.80mm | 2500Vrms | 1.1 lbs (499 g) |
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PC-20-1200PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC | Box | Active | Laminated Core | 115V | Parallel 10V, Series 20V | Parallel 2.4A, Series 1.2A | Single | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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PC-16-1500PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC | Box | Active | Laminated Core | 115V | Parallel 8V, Series 16V | Parallel 3A, Series 1.5A | Single | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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PC-40-600PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC | Box | Active | Laminated Core | 115V | Parallel 20V, Series 40V | Parallel 1.2A, Series 600mA | Single | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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PC-12-2000PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC | Box | Active | Laminated Core | 115V | Parallel 6.3V, Series 12.6V | Parallel 4A, Series 2A | Single | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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241-6-28LPWR XFMR LAMINATED 30VA CHAS MT |
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Datasheet |
Two-4-One™ | Bulk | Active | Laminated Core | 115V | 28V | 1.1A | Single | Single | Yes | 30VA | Chassis Mount | Wire Leads | 82.60mm L x 44.30mm W | 49.80mm | 2500Vrms | 1.1 lbs (499 g) |
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70021KPWR XFMR TOROIDAL 5VA TH |
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Datasheet |
7XXXX | Tray | Active | Toroidal | 115V, 230V | Parallel 9V, Series 18V | Parallel 556mA, Series 278mA | Dual | Dual | No | 5VA | Through Hole | PC Pin | 49.70mm L x 49.70mm W | 19.50mm | 4000Vrms | 0.254 lb (115.21 g) |
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DST-7-12PWR XFMR LAMINATED 36VA TH |
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Datasheet |
DST | Bulk | Active | Laminated Core | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 5.7A, Series 2.85A | Dual | Dual | No | 36VA | Through Hole | PC Pin | 66.70mm L x 55.50mm W | 40.40mm | 2500Vrms | 1.1 lbs (499 g) |
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DST-7-120PWR XFMR LAMINATED 36VA TH |
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Datasheet |
DST | Bulk | Active | Laminated Core | 115V, 230V | Parallel 60V, Series 120V | Parallel 600mA, Series 300mA | Dual | Dual | No | 36VA | Through Hole | PC Pin | 66.70mm L x 55.50mm W | 40.40mm | 2500Vrms | 1.1 lbs (499 g) |
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241-6-20LPWR XFMR LAMINATED 30VA CHAS MT |
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Datasheet |
Two-4-One™ | Bulk | Active | Laminated Core | 115V | 20V | 1.5A | Single | Single | Yes | 30VA | Chassis Mount | Wire Leads | 82.60mm L x 44.30mm W | 49.80mm | 2500Vrms | 1.1 lbs (499 g) |

