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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DST-2-12PWR XFMR LAMINATED 1.1VA TH |
117 | - |
|
Datasheet |
DST | Box | Active | Laminated Core | 115V, 230V | Parallel 6.3V, Series 12.6V | Parallel 180mA, Series 90mA | Dual | Dual | No | 1.1VA | Through Hole | PC Pin | 34.90mm L x 28.60mm W | 24.60mm | 2500Vrms | 0.17 lb (77.11 g) |
|
241-3-12PWR XFMR LAMINATED 2.4VA CHAS MT |
150 | - |
|
Datasheet |
Two-4-One™ | Bulk | Active | Laminated Core | 115V | 12.6V | 200mA | Single | Single | Yes | 2.4VA | Chassis Mount | Solder, Quick Connect | 52.60mm L x 29.60mm W | 31.20mm | 2500Vrms | 0.25 lb (113.4 g) |
|
183G20PWR XFMR LAMINATED 10VA TH |
146 | - |
|
Datasheet |
183 | Bulk | Active | Laminated Core | 115V, 230V | Parallel 10V, Series 20V | Parallel 1A, Series 500mA | Dual | Dual | No | 10VA | Through Hole | PC Pin | 47.63mm L x 39.67mm W | 34.93mm | 4000Vrms | 0.53 lb (240.4 g) |
|
PL10-24-130BPWR XFMR LAMINATED 10VA TH |
189 | - |
|
Datasheet |
PL10-xx130B | Tube | Active | Laminated Core | 115V, 230V | Parallel 12V, Series 24V | Parallel 840mA, Series 420mA | Dual | Dual | No | 10VA | Through Hole | PC Pin | 47.60mm L x 39.70mm W | 36.20mm | 3500Vrms | - |
|
3FS-510PWR XFMR LAMINATED 12VA TH |
122 | - |
|
Datasheet |
3FS-5xx | Tube | Active | Laminated Core | 115V | Parallel 5V, Series 10V | Parallel 2.4A, Series 1.2A | Single | Dual | No | 12VA | Through Hole | PC Pin | 48.50mm L x 41.52mm W | 38.00mm | 2500Vrms | - |
|
DPC-20-1200PWR XFMR LAMINATED 24VA TH |
110 | - |
|
Datasheet |
DPC | Box | Active | Laminated Core | 115V, 230V | Parallel 10V, Series 20V | Parallel 2.4A, Series 1.2A | Dual | Dual | No | 24VA | Through Hole | PC Pin | 41.30mm L x 57.20mm W | 34.93mm | 1500Vrms | 0.75 lb (340.19 g) |
|
3FL16-700PWR XFMR LAMINATED 12VA TH |
339 | - |
|
Datasheet |
3FL | Tray | Active | Laminated Core | 115V, 230V | Parallel 8V, Series 16V | Parallel 1.4A, Series 700mA | Dual | Dual | No | 12VA | Through Hole | PC Pin | 63.50mm L x 50.80mm W | 27.05mm | 1500Vrms | - |
|
PC-20-220PWR XFMR LAMINATED 4.4VA TH |
170 | - |
|
Datasheet |
PC | Box | Active | Laminated Core | 115V | Parallel 10V, Series 20V | Parallel 440mA, Series 220mA | Single | Dual | No | 4.4VA | Through Hole | PC Pin | 41.30mm L x 31.80mm W | 34.92mm | 1500Vrms | 0.313 lb (141.97 g) |
|
DPC-34-300PWR XFMR LAMINATED 10VA TH |
162 | - |
|
Datasheet |
DPC | Box | Active | Laminated Core | 115V, 230V | Parallel 17V, Series 34V | Parallel 600mA, Series 300mA | Dual | Dual | No | 10VA | Through Hole | PC Pin | 47.60mm L x 36.50mm W | 41.27mm | 1500Vrms | 0.563 lb (255.37 g) |
|
BV301D09006115V INPUT 0.6VA PWR XFMR |
598 | - |
|
Datasheet |
EI 30-5 | Tube | Active | - | 115V | 9V | 66mA | Single | Dual | No | 0.6VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 15.40mm | 4200Vrms | - |
|
BV302D24006230V INPUT 0.6VA PWR XFMR |
595 | - |
|
Datasheet |
EI 30-5 | Tube | Active | - | 230V | 24V | 25mA | Single | Dual | No | 0.6VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 15.40mm | 4200Vrms | - |
|
BV302S09006230V INPUT 0.6VA PWR XFMR |
590 | - |
|
Datasheet |
EI 30-5 | Tube | Active | - | 230V | 9V | 66mA | Single | Single | No | 0.6VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 15.40mm | 4200Vrms | - |
|
BV302S15006230V INPUT 0.6VA PWR XFMR |
295 | - |
|
Datasheet |
EI 30-5 | Tube | Active | - | 230V | 15V | 40mA | Single | Single | No | 0.6VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 15.40mm | 4200Vrms | - |
|
BV301D10010115V INPUT 1VA PWR XFMR |
675 | - |
|
Datasheet |
EI 30-10.5 | Tube | Active | - | 115V | 10V | 50mA | Single | Dual | No | 1VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 22.30mm | 4200Vrms | - |
|
BV301S10010115V INPUT 1VA PWR XFMR |
668 | - |
|
Datasheet |
EI 30-10.5 | Tube | Active | - | 115V | 10V | 100mA | Single | Single | No | 1VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 22.30mm | 4200Vrms | - |
|
BV301D15012115V INPUT 1.2VA PWR XFMR |
673 | - |
|
Datasheet |
EI 30-10.5 | Tube | Active | - | 115V | 15V | 40mA | Single | Dual | No | 1.2VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 22.30mm | 4200Vrms | - |
|
BV302S06012230V INPUT 1.2VA PWR XFMR |
663 | - |
|
Datasheet |
EI 30-10.5 | Tube | Active | - | 230V | 6V | 200mA | Single | Single | No | 1.2VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 22.30mm | 4200Vrms | - |
|
BV302S15012230V INPUT 1.2VA PWR XFMR |
225 | - |
|
Datasheet |
EI 30-10.5 | Tube | Active | - | 230V | 15V | 80mA | Single | Single | No | 1.2VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 22.30mm | 4200Vrms | - |
|
BV301D06012115V INPUT 1.2VA PWR XFMR |
225 | - |
|
Datasheet |
EI 30-10.5 | Tube | Active | - | 115V | 6V | 100mA | Single | Dual | No | 1.2VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 22.30mm | 4200Vrms | - |
|
BV302S12012230V INPUT 1.2VA PWR XFMR |
203 | - |
|
Datasheet |
EI 30-10.5 | Tube | Active | - | 230V | 12V | 100mA | Single | Single | No | 1.2VA | Through Hole | PC Pin | 32.80mm L x 27.80mm W | 22.30mm | 4200Vrms | - |

