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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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DST5-28B23PWR XFMR LAMINATED 12VA TH |
0 | - |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 14V, Series 28V | Parallel 840mA, Series 420mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 47.24mm L x 39.62mm W | 36.58mm | 2500Vrms | 0.7 lb (317.51 g) |
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PC-10-90B53PWR XFMR LAMINATED 1VA TH |
0 | - |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 5V, Series 10V | Parallel 180mA, Series 90mA | Single | Dual | No | 1VA | Through Hole | PC Pin | 25.40mm L x 34.93mm W | 21.08mm | 1500Vrms | 0.157 lb (71.21 g) |
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ST6-10B4PWR XFMR LAMINATED 20VA TH |
0 | - |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 5V, Series 10V | Parallel 4A, Series 2A | Single | Dual | No | 20VA | Through Hole | PC Pin | 57.15mm L x 47.24mm W | 36.58mm | 2500Vrms | 0.8 lb (362.87 g) |
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ST6-20B16PWR XFMR LAMINATED 20VA TH |
0 | - |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 10V, Series 20V | Parallel 2A, Series 1A | Single | Dual | No | 20VA | Through Hole | PC Pin | 57.15mm L x 47.24mm W | 36.58mm | 2500Vrms | 0.8 lb (362.87 g) |
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DPC-24-1000B20PWR XFMR LAMINATED 24VA TH |
0 | - |
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Datasheet |
PC Plug-In | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 12V, Series 24V | Parallel 2A, Series 1A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 41.28mm L x 57.15mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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A41-130-28A34PWR XFMR LAMINATED 130VA CHAS MT |
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Datasheet |
International High Power | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 14V, Series 28V | Parallel 9.2A, Series 4.6A | Dual | Dual | No | 130VA | Chassis Mount | Solder, Quick Connect | 71.42mm L x 85.85mm W | 73.02mm | - | 4.1 lbs (1.9 kg) |
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DP241-5-20A24PWR XFMR LAMINATED 12VA CHAS MT |
0 | - |
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Datasheet |
Chassis-Tran | Bulk | Active | Laminated Core | 115V, 230V | 20V | 600mA | Dual | Single | Yes | 12VA | Chassis Mount | Solder, Quick Connect | 71.37mm L x 41.40mm W | 35.05mm | 2500Vrms | 0.7 lb (317.51 g) |
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DP241-5-24A25PWR XFMR LAMINATED 12VA CHAS MT |
0 | - |
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Datasheet |
Chassis-Tran | Bulk | Active | Laminated Core | 115V, 230V | 24V | 500mA | Dual | Single | Yes | 12VA | Chassis Mount | Solder, Quick Connect | 71.37mm L x 41.40mm W | 35.05mm | 2500Vrms | 0.7 lb (317.51 g) |
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14A-2.5-10B1PWR XFMR LAMINATED 2.5VA TH |
0 | - |
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Datasheet |
International PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 5V, Series 10V | Parallel 500mA, Series 250mA | Dual | Single, Multiple Taps | No | 2.5VA | Through Hole | PC Pin | 41.28mm L x 33.32mm W | 28.58mm | - | 0.25 lb (113.4 g) |
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14A-20-20B22PWR XFMR LAMINATED 20VA TH |
0 | - |
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Datasheet |
International PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 10V, Series 20V | Parallel 2A, Series 1A | Dual | Single, Multiple Taps | No | 20VA | Through Hole | PC Pin | 57.15mm L x 47.63mm W | 41.28mm | - | 0.9 lb (408.23 g) |
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14A-20-10B4PWR XFMR LAMINATED 20VA TH |
0 | - |
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Datasheet |
International PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 5V, Series 10V | Parallel 4A, Series 2A | Dual | Single, Multiple Taps | No | 20VA | Through Hole | PC Pin | 57.15mm L x 47.63mm W | 41.28mm | - | 0.9 lb (408.23 g) |
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DPC-20-1200B16PWR XFMR LAMINATED 24VA TH |
0 | - |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 10V, Series 20V | Parallel 2.4A, Series 1.2A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 41.28mm L x 57.15mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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DPC-16-1500B12PWR XFMR LAMINATED 24VA TH |
0 | - |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 8V, Series 16V | Parallel 3A, Series 1.5A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 41.28mm L x 57.15mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
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DP241-5-36A27PWR XFMR LAMINATED 12VA CHAS MT |
0 | - |
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Datasheet |
Chassis-Tran | Bulk | Active | Laminated Core | 115V, 230V | 36V | 350mA | Dual | Single | Yes | 12VA | Chassis Mount | Solder, Quick Connect | 71.37mm L x 41.40mm W | 35.05mm | 2500Vrms | 0.7 lb (317.51 g) |
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ST5-28B23PWR XFMR LAMINATED 12VA TH |
0 | - |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 14V, Series 28V | Parallel 840mA, Series 420mA | Single | Dual | No | 12VA | Through Hole | PC Pin | 47.24mm L x 39.62mm W | 36.58mm | 2500Vrms | 0.7 lb (317.51 g) |
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ST4-36B26PWR XFMR LAMINATED 6VA TH |
0 | - |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 18V, Series 36V | Parallel 340mA, Series 170mA | Single | Dual | No | 6VA | Through Hole | PC Pin | 41.40mm L x 33.27mm W | 33.27mm | 2500Vrms | 0.44 lb (199.58 g) |
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14A-2.5-36B37PWR XFMR LAMINATED 2.5VA TH |
0 | - |
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Datasheet |
International PC Plug-In | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 18V, Series 36V | Parallel 140mA, Series 70mA | Dual | Single, Multiple Taps | No | 2.5VA | Through Hole | PC Pin | 41.28mm L x 33.32mm W | 28.58mm | - | 0.25 lb (113.4 g) |
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14A-2.5-24B25PWR XFMR LAMINATED 2.5VA TH |
0 | - |
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Datasheet |
International PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 12V, Series 24V | Parallel 200mA, Series 100mA | Dual | Single, Multiple Taps | No | 2.5VA | Through Hole | PC Pin | 41.28mm L x 33.32mm W | 28.58mm | - | 0.25 lb (113.4 g) |
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ST5-56B35PWR XFMR LAMINATED 12VA TH |
0 | - |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 28V, Series 56V | Parallel 440mA, Series 220mA | Single | Dual | No | 12VA | Through Hole | PC Pin | 47.24mm L x 39.62mm W | 36.58mm | 2500Vrms | 0.7 lb (317.51 g) |
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BV042-5216.0PWR XFMR LAMINATED 5VA TH |
0 | - |
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Datasheet |
- | Tray | Obsolete | Laminated Core | 230V | Parallel 12V, Series 24V | Parallel 416mA, Series 208mA | Single | Dual | No | 5VA | Through Hole | PC Pin | 45.50mm L x 38.50mm W | 32.00mm | - | 0.133 lb (60.33 g) |

