Power Transformers are electrical equipment that converts electricity from one circuit to another at changing voltage levels. Increased current causes an increase in voltage levels, hence transformers are designed to bring the needed voltage level by setting or stepping the voltages accordingly. The rising adoption of IoT technology in building and home automation has driven demand for more advanced energy management systems, propelling the power transformers market. In this article, everything PE has listed some interesting Power Transformers that were trending on the website in 2024.
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Three Flange Dual Primary Power Transformer
The PL30-12-130B from Tamura is a Three Flange Dual Primary Power Transformer. This transformer requires a primary input voltage of 115 - 230 V and provides a secondary output voltage of 6.3 – 12.6 V. It has a power rating of 30 VA. This transformer provides a voltage regulation of 19% at full load to no load condition. It operates over a temperature range of 55ºC - 155ºC. This RoHS-compliant transformer is available in a surface-mount package that measures 66.7 x 55.6 x 41 mm. Read more.
Military Grade Power Transformer for 400 Hz Aerospace Applications
The L-8962 from Pico Electronics is a Power Transformer that is designed for 400 Hz aerospace applications. This transformer has a primary voltage of 26 V and provides a secondary current of 17 mA. This MIL-PRF-27-compliant transformer has split winding on the secondary side, which allows it to be used at half voltage and twice the current. It is available in a through-hole package that measures 1.35 x 0.51 mm. Read more.
Automotive Qualified 1:150 Current Sense Transformer
The CST2010-150LD from Coilcraft is an Automotive Qualified Current Sense Transformer that has been designed for automotive systems applications. This transformer has a primary current of 47 A and an isolation voltage of 1500 V (RMS). It has an inductance of 19.2 mH and a turns ratio of 1:150. This AEC-Q200-qualified transformer is designed for use over 1 MHz and has a very low primary DC resistance. It is available in a surface-mount package that measures 19.91 x 14.55 x 10.5 mm. Read more.
60 W Planar Transformer for SMPS Applications
The PLN060-ER20A03S from Bourns is a Planar Transformer that is ideal for high-power PoE applications, industrial power systems, switched-mode power supplies (SMPS), LED lighting, and battery management systems applications. It requires a primary voltage of 36 - 72 V, provides a secondary voltage of 3.3 V, and a secondary power of 60 W. This RoHS-compliant transformer has an inductance of 21 µH. It is available in a surface-mount package that measures 17.4 x 8.5 x 5.5 mm. Read more.
Flyback Transformer for Power-over-Ethernet Applications
The B82802A0030A320 from TDK Corporation is a Flyback Transformer that has been designed for general-purpose isolated DC-DC converters, Power-over-ethernet, powered devices, and power-sourcing equipment applications. It has an inductance of 40 µH and a turns ratio of 1:2.25:0.75:6.5. This low-profile transformer features an economic flat transformer design (EFD) ferrite core with gull wing terminals. It supports high throughput power capability and in an industry-standard footprint. This RoHS-compliant transformer is available in a surface-mount package that measures 22 x 25.70 x 10.70 mm. Read more.
Current Sensing Transformer for Motor Control Applications
The 56T300C from Murata is a Current Sensing Transformer that is designed to monitor AC currents. This transformer has a primary current of 10 A and an inductance of 160 mH (at 10 kHz). It has a secondary DC resistance of 5.73 - 8.59 ohms. This RoHS-compliant transformer is available in a through-hole package that measures 20.19 x 16.79 x 8.89 mm and is ideal for high-frequency current sensing such as switched-mode power supplies, motor control, and electronic lighting ballasts applications. Read more.
Flexible Transformer for DC-DC Converter Applications
The 749196508 from Wurth Elektronik is a Flexible Transformer that is ideal for flyback converters, forward converters, push-pull converters, and step-up/step-down converters (SEPIC) applications. It has an inductance of 196 µH and a turns ratio of 1:1:1:1:1.1. This transformer has a current rating of 1.35 A and a DC resistance of less than 102 milli-ohms. It consists of six identical windings with low leakage inductance and offers an isolation voltage of up to 1500 V (AC). This RoHS-compliant transformer is available in a surface-mount package that measures 29.5 x 21.5 x 21.0 mm. Read more.
Step-Down Control Transformer for Industrial Applications
The C5000K2A from Eaton is a Step-Down Industrial Control Transformer. This transformer requires a primary voltage of 220 - 240 V and provides a secondary voltage of 110 - 120 V. It delivers an output power of 5000 VA. This RoHS-compliant transformer has an epoxy resin-impregnated coil design with copper windings for operation at 50/60 Hz at 180°C insulation system. It is available in a chassis-mount package that measures 7.756 x 7.559 x 9.016 inches. Read more.
12 V Wire-Wound Flyback Transformer for High Frequency Applications
The PA1370NLT from Pulse Electronics is a Wire-Wound Flyback Transformer that is ideal for industrial automation, telecommunications, and medical equipment applications. It requires a primary voltage of 33 - 57 V and provides a secondary voltage of 12 V. This RoHS-compliant transformer has an inductance of 20.4 µH and a DC resistance of less than 80 milli-ohms. It is available in a surface-mount package that measures 15.24 x 13.08 x 11.45 mm. Read more.
Flathead Power Transformer for Low-Power Applications
The IF-2-12 from Bel Fuse is a Flathead Low Profile Power Transformer that has been designed to meet international safety requirements. It requires a primary voltage of 115 - 230 V. This transformer provides a secondary voltage of 6-12 V and a secondary power of 2 VA. It has a dielectric withstanding voltage of up to 4000 V and complies with the UL 1446 (E66312), UL 506 / UL 5085-2, and C22.2 standards. This RoHS-compliant transformer is available in a fully encapsulated package that measures 2.09 x 1.73 x 0.69 mm and is ideal for low-power applications where minimum height and reduced magnetic radiation are required. Read more.
Three Phase Dry Type Distribution Power Transformer
The E71H45S from Emerson Electric is a Three Phase Dry Type Distribution Power Transformer that has been designed to meet energy efficiency and safety standards. It has a primary voltage of 54.2 V and a secondary voltage of 125 V. This transformer has a power rating of 45 kVA. It is compliant with DOE 2016 and NRCan 2019 regulations, ensuring high energy efficiency in operation. This UL-listed power transformer can be equipped with NEMA-type 3R ventilated enclosures for outdoor use. It features UL Class 220°C insulation system with a maximum temperature rise of 150°C under full load. It is available in a panel enclosure that measures 711 x 584 x 406 mm. Read more.
Military Qualified Multi-Tapped Power Transformer
The HLP-6002 from Data Device Corporation is a Military Qualified Power Transformer that has been designed to provide optimal turns ratio configuration, component isolation, and common mode rejection ratio characteristics necessary for MIL-STD-1553A/B military standards compliance. It requires a primary voltage of 1 - 3 V. This transformer provides a turns ratio of 1.4:1 and a secondary voltage of 4 - 8 V. It is a low-profile, modular unit that is multi-tapped to accommodate existing system configurations and offers MIL-PRF-21038-compliant encapsulation with Gold-plated-over-Nickel-plated Kovar leads, enabling it to be mounted on printed circuit boards (PCBs). This transformer accurately processes sinusoidal or trapezoidal waveforms, making it an excellent choice for MIL-STD-1553A/B applications. It is available in a hermetically sealed surface-mount package that measures 0.63 x 0.63 mm. Read more.
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Note: This list has been compiled based on user activity on everything PE. To ensure that we cover the whole range of Power Transformers we limited the number of products from each category and company. The listed products are shown in random order and are grouped by category.
