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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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241-3-120A10PWR XFMR LAMINATED 2.4VA CHAS MT |
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Datasheet |
Chassis-Tran | Bulk | Active | Laminated Core | 115V | 120V | 20mA | Single | Single | Yes | 2.4VA | Chassis Mount | Solder, Quick Connect | 52.32mm L x 30.23mm W | 26.92mm | 2500Vrms | 0.25 lb (113.4 g) |
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241-3-10A1PWR XFMR LAMINATED 2.4VA CHAS MT |
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Datasheet |
Chassis-Tran | Bulk | Active | Laminated Core | 115V | 10V | 250mA | Single | Single | Yes | 2.4VA | Chassis Mount | Solder, Quick Connect | 52.32mm L x 30.23mm W | 26.92mm | 2500Vrms | 0.25 lb (113.4 g) |
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241-3-24A5PWR XFMR LAMINATED 2.4VA CHAS MT |
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Datasheet |
Chassis-Tran | Bulk | Obsolete | Laminated Core | 115V | 24V | 100mA | Single | Single | Yes | 2.4VA | Chassis Mount | Solder, Quick Connect | 52.32mm L x 30.23mm W | 26.92mm | 2500Vrms | 0.25 lb (113.4 g) |
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DPC-24-180B18PWR XFMR LAMINATED 4.4VA TH |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 12V, Series 24V | Parallel 360mA, Series 180mA | Dual | Dual | No | 4.4VA | Through Hole | PC Pin | 41.28mm L x 31.75mm W | 34.93mm | 1500Vrms | 0.313 lb (141.97 g) |
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ST3-56B33PWR XFMR LAMINATED 2.4VA TH |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 28V, Series 56V | Parallel 90mA, Series 45mA | Single | Dual | No | 2.4VA | Through Hole | PC Pin | 35.05mm L x 28.70mm W | 30.23mm | 2500Vrms | 0.25 lb (113.4 g) |
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ST3-120B37PWR XFMR LAMINATED 2.4VA TH |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 60V, Series 120V | Parallel 40mA, Series 20mA | Single | Dual | No | 2.4VA | Through Hole | PC Pin | 35.05mm L x 28.70mm W | 30.23mm | 2500Vrms | 0.25 lb (113.4 g) |
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DPC-34-125B22PWR XFMR LAMINATED 4.4VA TH |
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Datasheet |
PC Plug-In | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 17V, Series 34V | Parallel 250mA, Series 125mA | Dual | Dual | No | 4.4VA | Through Hole | PC Pin | 41.28mm L x 31.75mm W | 34.93mm | 1500Vrms | 0.313 lb (141.97 g) |
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ST3-12B5PWR XFMR LAMINATED 2.4VA TH |
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Datasheet |
Split Bobbin Plug-In | Bulk | Obsolete | Laminated Core | 115V | Parallel 6.3V, Series 12.6V | Parallel 400mA, Series 200mA | Single | Dual | No | 2.4VA | Through Hole | PC Pin | 35.05mm L x 28.70mm W | 30.23mm | 2500Vrms | 0.25 lb (113.4 g) |
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ST3-36B25PWR XFMR LAMINATED 2.4VA TH |
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Datasheet |
Split Bobbin Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 18V, Series 36V | Parallel 130mA, Series 65mA | Single | Dual | No | 2.4VA | Through Hole | PC Pin | 35.05mm L x 28.70mm W | 30.23mm | 2500Vrms | 0.25 lb (113.4 g) |
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DPC-40-110B26PWR XFMR LAMINATED 4.4VA TH |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 20V, Series 40V | Parallel 220mA, Series 110mA | Dual | Dual | No | 4.4VA | Through Hole | PC Pin | 41.28mm L x 31.75mm W | 34.93mm | 1500Vrms | 0.313 lb (141.97 g) |
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ST3-20B13PWR XFMR LAMINATED 2.4VA TH |
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Datasheet |
Split Bobbin Plug-In | Bulk | Obsolete | Laminated Core | 115V | Parallel 10V, Series 20V | Parallel 240mA, Series 120mA | Single | Dual | No | 2.4VA | Through Hole | PC Pin | 35.05mm L x 28.70mm W | 30.23mm | 2500Vrms | 0.25 lb (113.4 g) |
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A41-130-12A10PWR XFMR LAMINATED 130VA CHAS MT |
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Datasheet |
International High Power | Bulk | Active | Laminated Core | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 20.6A, Series 10.3A | 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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PC-24-35B57PWR XFMR LAMINATED 1VA TH |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 12V, Series 24V | Parallel 70mA, Series 35mA | 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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DPC-230-100B48PWR XFMR LAMINATED 24VA TH |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 115V, Series 230V | Parallel 200mA, Series 100mA | 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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A41-130-24A28PWR XFMR LAMINATED 130VA CHAS MT |
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Datasheet |
International High Power | Bulk | Active | Laminated Core | 115V, 230V | Parallel 12V, Series 24V | Parallel 10.8A, Series 5.4A | 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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PC-230-4B65PWR XFMR LAMINATED 1VA TH |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V | Parallel 115V, Series 230V | Parallel 8mA, Series 4mA | 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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A41-130-36A40PWR XFMR LAMINATED 130VA CHAS MT |
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Datasheet |
International High Power | Bulk | Active | Laminated Core | 115V, 230V | Parallel 18V, Series 36V | Parallel 7.2A, Series 3.6A | 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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DPC-230-5B45PWR XFMR LAMINATED 1.2VA TH |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 115V, Series 230V | Parallel 10mA, Series 5mA | Dual | Dual | No | 1.2VA | Through Hole | PC Pin | 34.93mm L x 28.58mm W | 30.18mm | 1500Vrms | 0.188 lb (85.28 g) |
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DPC-12-2000B8PWR XFMR LAMINATED 24VA TH |
0 | - |
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Datasheet |
PC Plug-In | Bulk | Active | Laminated Core | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 4A, Series 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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DST5-120B39PWR XFMR LAMINATED 12VA TH |
0 | - |
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Datasheet |
Split Bobbin Plug-In | Bulk | Obsolete | Laminated Core | 115V, 230V | Parallel 60V, Series 120V | Parallel 200mA, Series 100mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 47.24mm L x 39.62mm W | 36.58mm | 2500Vrms | 0.7 lb (317.51 g) |

