
Too Many Transformers? Here's How to Find the Right One
Here are five key factors to consider when selecting the right transformer for your needs.
Last updated 1 month ago. Automatically generated content.


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The type of transformer plays a crucial role in its application and performance. Each type is designed for specific uses, affecting efficiency, size, and installation requirements, which ultimately influences your overall project success.
Popular options (you can select more than one)
Toroidal transformer
Typical price
38.– to 110.–Features a doughnut-shaped core, minimizing electromagnetic interference and providing higher efficiency.
Ideal for audio applications, these transformers deliver cleaner sound with less hum, making them perfect for high-fidelity systems.
Bestseller
PCB transformer
Typical price
10.– to 22.–Designed for mounting directly onto printed circuit boards, offering compact size and easy integration.
Best suited for electronic devices, they save space and reduce assembly time, enhancing overall product design efficiency.
Bestseller
Variable transformer
Typical price
61.– to 300.–Allows for adjustable output voltage, providing flexibility for different applications.
Useful in testing and laboratory settings, they enable precise control over voltage for experimental setups or equipment calibration.
Bestseller
Flat transformer
Typical price
17.– to 40.–Characterized by a low-profile design that saves space while maintaining performance.
Ideal for applications where height restrictions exist, such as in compact electronics or appliances, ensuring efficient use of available space.
Bestseller
Power refers to the wattage output of a transformer, which determines its capacity to handle electrical loads. Selecting the appropriate power rating is crucial for ensuring your devices operate effectively without overloading the transformer.
Popular options
Up to 50 W
Typical price
17.– to 45.–Suitable for low-power devices like small chargers and LED lights, these transformers have a maximum output of 50 watts.
Ideal for compact applications where space is limited, ensuring energy efficiency and preventing waste.
Bestseller

Weiss Elektrotechnik Compact Power Supply Transformer Compact Power Supplies with Built-in Rectification and Smoothing
51 - 200 W
Typical price
45.– to 140.–Designed for medium-power devices such as printers and small appliances, this range supports up to 200 watts.
Provides a balance between power and size, making it versatile for home or office use without compromising on performance.
Bestseller
201 - 500 W
Typical price
76.– to 240.–Capable of powering larger equipment like industrial tools or multiple devices simultaneously, these transformers range from 201 to 500 watts.
Essential for heavy-duty applications, ensuring reliable performance and reducing the risk of overheating or damage.
Bestseller
Electric current rating indicates the maximum amount of current a transformer can handle. Choosing the right current range is crucial for ensuring efficient operation and longevity of the transformer in your specific application.
Popular options
Up to 2 A
Typical price
15.– to 43.–Designed for low-power applications, suitable for small devices and circuits.
Ideal for projects like LED lighting or small electronic gadgets where minimal current is required.
Bestseller

Weiss Elektrotechnik Compact power supply transformer with built-in rectification and smoothing
3 - 5 A
Typical price
45.– to 120.–Offers moderate power capacity, accommodating a variety of household and light industrial applications.
Great for powering devices such as small motors or household appliances that require a bit more power.
Bestseller

Maico 5-stage transformer TRE 3.3-2
6 - 16 A
Typical price
61.– to 190.–Designed for high-power applications, suitable for larger equipment and industrial use.
Recommended for heavy-duty tasks like running power tools or larger machinery that demand substantial current.
Bestseller
Output voltage determines the electrical potential provided by a transformer, which is critical for ensuring compatibility with your devices. Selecting the correct output voltage is essential for optimal performance, as using an inappropriate voltage can damage equipment or lead to inefficiencies.
Popular options
Up to 24 V
Typical price
18.– to 64.–Designed for low-voltage applications, typically used in small electronics and battery-powered devices.
Ideal for powering items like LED lights and small sensors, ensuring safe operation without the risk of electrical overload.
Bestseller
25 - 110 V
Typical price
51.– to 180.–Suitable for a range of household appliances and power tools, providing a versatile output for various needs.
Great for applications such as home electronics and DIY projects, allowing efficient operation of devices like drills and kitchen appliances.
Bestseller
111 - 230 V
Typical price
76.– to 340.–Covers the standard output range for most industrial equipment and larger appliances, ensuring compatibility with high-power devices.
Recommended for heavy-duty applications like HVAC systems and industrial machinery, delivering reliable performance under demanding conditions.
Bestseller
Input voltage refers to the electrical voltage level required for a transformer to operate effectively. Selecting the correct input voltage is crucial for ensuring compatibility with your electrical systems and preventing damage to the transformer.
Popular options
Up to 230 V
Typical price
18.– to 68.–Designed for standard residential and light commercial applications, handling voltages up to 230 V.
Ideal for home appliances and devices, ensuring safe and efficient operation in typical household settings.
Bestseller

Maico 5-stage transformer TRE 3.3-2
231 - 241 V
Typical price
48.– to 230.–Accommodates a slightly higher voltage range, typically found in specific industrial or commercial setups.
Recommended for equipment that requires this voltage range, ensuring optimal performance and reducing the risk of malfunction.
Bestseller
242 - 415 V
Typical price
68.– to 190.–Engineered for heavy-duty industrial applications, supporting voltages between 242 V and 415 V.
Essential for large machinery and equipment, providing reliable power distribution in demanding environments.
Bestseller