20 Best Toroidal Isolation Transformers [2023]

Are you looking for the best Toroidal Isolation Transformers? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Toroidal Isolation Transformers.

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# Preview Product
1 5pcs 600 ohm Toroidal Transformer Isolator Audio-Frequency 600 : 600 Audio Isolation Transformer 1:1... 5pcs 600 ohm Toroidal Transformer Isolator Audio-Frequency 600 : 600 Audio Isolation Transformer...
2 UMI AV250 Isolation Transformer 250W Noise Filtering and Surge Suppression and Power Clean 2 Outlet UMI AV250 Isolation Transformer 250W Noise Filtering and Surge Suppression and Power Clean 2 Outlet
3 1ea 85X55X20mm toroidal Transformer core 3.3X2.2X0.8 inch toroid Inductor ferrite core Filter... 1ea 85X55X20mm toroidal Transformer core 3.3X2.2X0.8 inch toroid Inductor ferrite core Filter...
4 1ea 63X38X25mm toroid ferrite core ferrite Ring toroidal Transformer core ferrite snap ferrite Bead... 1ea 63X38X25mm toroid ferrite core ferrite Ring toroidal Transformer core ferrite snap ferrite...
5 2ea 49X32X15mm toroidal Transformer core ferrite Ring Noise Filter ferrite Bead ferrite chokes... 2ea 49X32X15mm toroidal Transformer core ferrite Ring Noise Filter ferrite Bead ferrite chokes...
6 1ea 63X38X25mm Al 5.5uH toroidal Transformer core toroid ferrite core ferrite Ring core ferrite snap... 1ea 63X38X25mm Al 5.5uH toroidal Transformer core toroid ferrite core ferrite Ring core ferrite...
7 4pieces 38X22X11mm 1.5X0.9X0.4inch Toroid Ferrite Core Toroidal Transformer Core Ferrite Chokes... 4pieces 38X22X11mm 1.5X0.9X0.4inch Toroid Ferrite Core Toroidal Transformer Core Ferrite Chokes...
8 HiLetgo 5pcs EI14/EI-14 Audio Coupling Isolation Transformer Audio Transformer 600:600 1:1 HiLetgo 5pcs EI14/EI-14 Audio Coupling Isolation Transformer Audio Transformer 600:600 1:1
9 AC to AC Single Power Transformer Isolation Power Transformer Transformer 50Hz 2W 220V Input 12V/24V... AC to AC Single Power Transformer Isolation Power Transformer Transformer 50Hz 2W 220V Input...
10 Amplifier Power Supply, Dual 12V Preamp + Dual 28V Power Amplifier + 12V Single Speaker Protector... Amplifier Power Supply, Dual 12V Preamp + Dual 28V Power Amplifier + 12V Single Speaker Protector...
11 4pcs Inner 23mm 0.9''Transformer Core 36X23X15mm Inductor Ferrite Core Filter Ferrite Ring Chokes... 4pcs Inner 23mm 0.9''Transformer Core 36X23X15mm Inductor Ferrite Core Filter Ferrite Ring Chokes...
12 Isolation Transformer, Quick Pack, 100 VA, 2 x 115V, 120V, 850 mA Isolation Transformer, Quick Pack, 100 VA, 2 x 115V, 120V, 850 mA
13 Halogen/Xenon Electronic Transformer 60 Watt Max output 120 Volt Input / 12 Volt Out Put Potted... Halogen/Xenon Electronic Transformer 60 Watt Max output 120 Volt Input / 12 Volt Out Put Potted...
14 Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap
15 BOJACK EI Type Isolation Transformers PRI.120/208/240 V AC 50/60Hz 24 V AC 40 VA 4031F Class 2... BOJACK EI Type Isolation Transformers PRI.120/208/240 V AC 50/60Hz 24 V AC 40 VA 4031F Class 2...
16 10Pcs Audio Transformers AC 600:600Ohm DC 135 :135 Ohm 1:1 EI14 Isolation Transformer 10Pcs Audio Transformers AC 600:600Ohm DC 135 :135 Ohm 1:1 EI14 Isolation Transformer
17 10 FT37-43 Toroid Ferrite Core 10 FT37-43 Toroid Ferrite Core
18 Tripp Lite IS500 Isolation Transformer 500W Surge 120V 4 Outlet 6 feet Cord TAA GSA Tripp Lite IS500 Isolation Transformer 500W Surge 120V 4 Outlet 6 feet Cord TAA GSA
19 Isolation Transformer, 25.2 VA, 2 x 115V, 12.6V, 2 A Isolation Transformer, 25.2 VA, 2 x 115V, 12.6V, 2 A
20 Jameco Valuepro ITR300 Power Transformer, Isolation, 120VAC, 300Va, 3.2' W x 4.6' D x 4.2' H Jameco Valuepro ITR300 Power Transformer, Isolation, 120VAC, 300Va, 3.2" W x 4.6" D x 4.2" H
Bestseller No. 1
5pcs 600 ohm Toroidal Transformer Isolator Audio-Frequency 600 : 600 Audio Isolation Transformer 1:1...
  • This product is a 600 ohm audio transformer 600:600, audio isolation transformer 1:1, with a 5-pin ring
  • Use frequency range: 50Hz--100KHz, AC impedance ratio: about 600: 600 ohm
  • Inductance: about 1.6H, withstand voltage: above 1000V
  • Included in the package: 5*600 ohm toroidal transformers
  • Note: There is one point to explain the impedance of the coupling isolation transformer: this transformer is a 600 ohm: 600 ohm audio transformer, the...
Bestseller No. 2
UMI AV250 Isolation Transformer 250W Noise Filtering and Surge Suppression and Power Clean 2 Outlet
  • 1. Power Clean: Complete line isolation, Eliminate EMI/RFI line noise and provide clean power for sensitive equipment
  • 2. Isolation Transformer: Toroidal transformer and Faraday Shield, reduce the static interference from the wall outlet
  • 3. Power supply: 120V AC input and 120V AC output
  • 4. 2 outlets: allow to use 2 equipment at same time and a power strip for more
  • 5. Capacity: 250W maximum
Bestseller No. 3
1ea 85X55X20mm toroidal Transformer core 3.3X2.2X0.8 inch toroid Inductor ferrite core Filter...
  • 1.Model:Transformer ferrite core /isolator ferrite ring
  • 2.Part number :T85X55X20
  • 3.Size:OD=85mm/3.3'' ID=55mm/2.2'' T=20mm/0.8''
  • 4.Material: MnZn PC40
Bestseller No. 4
1ea 63X38X25mm toroid ferrite core ferrite Ring toroidal Transformer core ferrite snap ferrite Bead...
  • 1.Model:transformer ferrite core /Isolator ferrite ring
  • 2.Part number:T63X38X25G
  • 3.Size: OD=63mm/2.5 inch ID=38mm/1.5 inch T=25mm/1 inch
  • 4.Material: MnZn
Bestseller No. 5
2ea 49X32X15mm toroidal Transformer core ferrite Ring Noise Filter ferrite Bead ferrite chokes...
  • 1.Model:Transformer ferrite core /Isolator ferrite ring /chokes ferrite bead
  • 2.Part number: T49X32X15G
  • 3.Size: OD=49mm/1.9'' ID=32mm/1.3'' T=15mm/0.6''
  • 4.Material:MnZn PC40, green die-electricity coated
SaleBestseller No. 6
1ea 63X38X25mm Al 5.5uH toroidal Transformer core toroid ferrite core ferrite Ring core ferrite snap...
  • 1.Model:power transformer ferrite core /isolator ferrite ring
  • 2.Size: OD=63mm/2.5'' ID=38mm/1.5'' T=25mm/1''
  • 3.Material: MnZn PC40
  • 4.Work:for transformer /isolator or cord cables as filter ferrite bead
Bestseller No. 7
4pieces 38X22X11mm 1.5X0.9X0.4inch Toroid Ferrite Core Toroidal Transformer Core Ferrite Chokes...
  • 1.Model: toroidal transformer ferrite core /EMI noise filter ferrite
  • 2.Part number : AT150-26
  • 3.Size : OD=38.4mm ID=21.5mm T=11.1mm
  • 4.Material: iron powder ,Al 96nH/N2
  • 5.Color: white and yellow
Bestseller No. 8
HiLetgo 5pcs EI14/EI-14 Audio Coupling Isolation Transformer Audio Transformer 600:600 1:1
  • Advantages:high pressure and stable performance
  • AC impedance : EI14 600 : 600 Ohm
  • Inductance:290mH (±20%)
  • Quality &wire diameter : QA-1 0.06MM
  • Alternating-current impedance value : 600
Bestseller No. 9
AC to AC Single Power Transformer Isolation Power Transformer Transformer 50Hz 2W 220V Input 12V/24V...
  • Transform AC Voltage: This EI Power Transformer can transform AC 220V input voltage to AC 12V/24V output voltage
  • High Pressure and Temperature Resistance: This Single Phase Power Transformer is selected of full copper wire, which is featured with high temperature...
  • Insulation Design: This EI Single Phase Power Transformer are treated with vacuum impregnated insulating varnish, safe to use
  • High Safety and Reliable Flame Retardant Material: This Electric Power Transformer is designed with nylon flame retardant rubber core production,...
  • After Sale Service : If you do not satisfy with our products or if you have any questions, please come to us. We would work out satisfactory solution...
Bestseller No. 10
Amplifier Power Supply, Dual 12V Preamp + Dual 28V Power Amplifier + 12V Single Speaker Protector...
  • HiFi Power amplifier Toroidal Transformer: power transformer for pre-amplifier, post-amplifier, control and protection module, power transformer for...
  • Power Amplifier Application: suitable for tube power amplifier, such as TDA7293 LM3886 power amplifier board, and other pre/rear power amplifier...
  • Voltage Parameters: input voltage AC 110V 50HZ, output voltage AC 28V*2 (rear stage of power amplifier) + AC12V*2 (pre-stage tone) + AC12V (control...
  • Use Environment: -45℃ to 105℃ allowable working temperature, which can meet the working environment of any place, -30℃-40℃ ambient air...
  • High-quality Materials: high-permeability magnetic core; temperature-resistant flame-retardant and low-resistance lead wires; high-current pure copper...
Bestseller No. 11
4pcs Inner 23mm 0.9''Transformer Core 36X23X15mm Inductor Ferrite Core Filter Ferrite Ring Chokes...
  • 1.Model:Transformer ferrite core /chokes ferrite bead
  • 2.Part number : T36X23X15G
  • 3.Size: OD=36mm /1.4'' ID=23mm/0.9'' T=15mm/0.59''
  • 4.Material: MnZn,die-electricity coated
  • 5.Work: widely used for transformer or filter
SaleBestseller No. 13
Halogen/Xenon Electronic Transformer 60 Watt Max output 120 Volt Input / 12 Volt Out Put Potted...
  • 60 Watt Max Load Transformer with 12 Volt Output and Minimum 20 Watt Load
  • Suitable for use with Halogen, Xenon, Krypton Transformer and some LED's
  • Fully Potted Unit to help protect circuitry from elements.
  • Auto Reset Protected >20KHZ 60HZ - 0.5A
  • 120 Volt (VAC) Input - 12 Volt (VAC) output (20 watt minimum load required for transformer to produce 12 volts)
Bestseller No. 14
Control Transformer 40VA, Primary 120, 208, 240V Secondary 24V, HVAC Furnace Multi Tap
  • UL certified and safe use: UL certified, class 2 transformer
  • Primary voltage: 120, 208, 240V. Secondary voltage: 24V
  • Specification: 40VA volt amp rating
  • Product dimensions: 3.7 x 2 x 2.2 inches, foot mount
  • Wide compatibility: this transformer is designed for use in industrial, heating and air conditioning controls, including air conditioning circuits,...
Bestseller No. 15
BOJACK EI Type Isolation Transformers PRI.120/208/240 V AC 50/60Hz 24 V AC 40 VA 4031F Class 2...
  • BOJACK Hight Quality EI type Isolation Control Transformers
  • Primary Voltage: 120/208/240 V AC ,WHT-BLK-RED-ORG
  • Secondary Voltage: 24 V AC,RED-GRN
  • Power Rating:40 VA
  • Replacement for:Gemline GT446,Supco SXT105,UEI UET105, UET115,Grainger 6WU91,Jard 4031F,Mars 50203,White-Rodgers GT4031F, 90-T40F3,Grainger...
Bestseller No. 16
10Pcs Audio Transformers AC 600:600Ohm DC 135 :135 Ohm 1:1 EI14 Isolation Transformer
  • Tightly coupled primary and secondary windings, sufficient pass frequency band, large original winding inductance, small leakage inductance, can...
  • Suitable for radio communication, broadcast television, automatic control and component of voltage amplification or power output
  • Can be used to transform voltage or transform load impedance
  • Made of Nickel alloy material, stable performance and long service life
  • High efficiency audio transformers, greatly help your project
SaleBestseller No. 17
Bestseller No. 18
Tripp Lite IS500 Isolation Transformer 500W Surge 120V 4 Outlet 6 feet Cord TAA GSA
  • Electrical
  • Package Dimensions: 15.748 H x 33.782 L x 19.558 W (centimeters)
  • Country of Origin : Taiwan
  • Package Weight: 23.25 pounds
Bestseller No. 20
Jameco Valuepro ITR300 Power Transformer, Isolation, 120VAC, 300Va, 3.2" W x 4.6" D x 4.2" H
  • Input: 120VAC and 60Hz
  • Maximum Power: 300VA
  • Internal electrostatic shield
  • Input connector: 5.5 feet cord with 2-prong plug
  • Size: 3.2"W x 4.6"D x 4.2"H

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After hours of searching and using all the models on the market, we have found the best Toroidal Isolation Transformers for 2023. See our ranking below!

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We understand, because we’ve already gone through the whole process of researching Toroidal Isolation Transformers, which is why we have assembled a comprehensive list of the greatest Toroidal Isolation Transformers available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Toroidal Isolation Transformers that you consider buying. Your questions might include the following:

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We’re convinced that you likely have far more questions than just these regarding Toroidal Isolation Transformers, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Toroidal Isolation Transformers, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Toroidal Isolation Transformers. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Toroidal Isolation Transformers buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Toroidal Isolation Transformers currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Toroidal Isolation Transformers has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Toroidal Isolation Transformers?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Toroidal Isolation Transformers.
  5. Customer Ratings: Number ratings grade Toroidal Isolation Transformers objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Toroidal Isolation Transformers.
  7. Product Quality: You don’t always get what you pay for with an Toroidal Isolation Transformers, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Toroidal Isolation Transformers is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Toroidal Isolation Transformers information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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FAQ:

Q: What is the purpose of an isolation transformer?

A: An isolation transformer is a transformer used to transfer electrical power from a source of alternating current (AC) power to some equipment or device while isolating the powered device from the power source, usually for safety reasons.

Q: What is a toroidal transformer used for?

A: Toroidal inductors and transformers are used in a wide range of electronic circuits: power supplies, inverters, and amplifiers, which in turn are used in the vast majority of electrical equipment: TVs, radios, computers, and audio systems.

Q: How do isolation transformers work?

A: Isolation transformers block transmission of DC signals from one circuit to the other, but allow AC signals to pass. They also block interference caused by ground loops. Isolation transformers with electrostatic shields are used for power supplies for sensitive equipment such as computers or laboratory instruments.

Q: What is an isolation transformer?

A: Isolation transformer is the 1:1 transformer commonly. Because the secondary coil is not connected to the ground and there is no potential difference between any secondary line and the ground, so it’s safe to use isolation often used as a maintenance power supply. Different Major Tasks They have different priorities and goals.