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High-Efficiency Toroidal Transformer Core for Car Audio Systems

Name: High-Efficiency Toroidal Transformer Core for Car Audio Systems
Brand: Hubei Changhao Electric Co., Ltd
SKU: PQfpaTrGmNRF
Price: 6.50 USD
Availability: InStock

US$7.00

1-9 Pieces

US$6.50

10+ Pieces

Port:

Shanghai, China

Production Capacity:

5000

Payment Terms:

L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Hubei Changhao Electric Co., Ltd

Hubei, China

Last Login Date:

Nov 08, 2025

Main Products:

Toroidal Transformer, Bk Control Transformer, Control Switch, Inverter, R Type Transformer, E Type Transformer, Three Phase Transformer, Water Proof Ring Transformer, Industry 3 Phrase Transformer, Servo Electronic Transformers

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Product Description

Company Info

Basic Info.

Application

Power, Electronic, Instrument, Lighting, Rectifier, Audio

Phase

Single

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001

Usage

Single-phase Transformer, Rectifier Transformer, Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Custom

Supported

MOQ

1 PCS

Trademark

Transport Package

Carton

Origin

China

Product Description

Toroidal transformers play an indispensable role in electronic equipment, and potting is an important part of ensuring their efficient and stable operation. So, what exactly is the role of potting treatment? This article will unveil the mystery behind this secret weapon for you.

First, enhance the performance of the toroidal transformer

Potting is a kind of toroidal transformer and its surrounding circuitry to seal the technology, can effectively prevent the external environment on its performance. In the sealed environment, the metal parts inside the toroidal transformer can effectively reduce the occurrence of oxidation, corrosion and other problems, thereby extending the service life. In addition, potting treatment can also improve the mechanical strength and impact resistance of the toroidal transformer, so that it can maintain good performance in harsh environments.

Second, enhance the stability of the toroidal transformer

Stability is one of the important indicators of the toroidal transformer. Potting treatment can fix the metal parts and circuits inside the toroidal transformer to prevent it from loosening or displacement during operation. This helps to reduce equipment failure, improve the reliability of the toroidal transformer, and bring users a more stable experience.

Third, the realization of waterproof and dustproof design

Potting treatment can completely seal the toroidal transformer, thus effectively preventing water and dust from entering it. This is particularly important for electronic equipment that needs to be used in harsh environments. For example, in the industrial production line, potting treatment of the toroidal transformer can be in the high temperature, high humidity environment to maintain stable performance, to ensure the smooth running of the production process.

Fourth, simplify the maintenance process

Potting treatment can be fixed to the internal circuitry and components of the toroidal transformer, which makes the maintenance process become more simple and convenient. When the toroidal transformer failure, only need to replace the seals can be completed maintenance, without disassembling the entire equipment. It can shorten the maintenance time and reduce the maintenance cost.

In short, the toroidal transformer potting treatment has an important role in improving performance, enhancing stability, realizing waterproof and dustproof design and simplifying the maintenance process. With the continuous development of electronic equipment, potting technology will continue to innovate and improve, for the performance of electronic equipment and stability enhancement to provide more reliable protection.

Parameter list

Capacity(VA)	Input Voltage(V)	Output Voltage (V)	Static Current(mA)	Voltage Adjustment Ratio(△U%)	Efficiency(%)	Volume(H*Dia)mm		Mounting Hole Distance(mm)	Weight KG/ps
20	220V	Can be set according to customer's requirement	≤20	≤10	≥90	<30	<85	55*55	<1.2
30	220V		≤20	≤10	≥90	<35	<85	60*60	<1.3
40	220V		≤20	≤10	≥90	<45	<85	65*65	<1.4
50	220V		≤21	≤10	≥90	<45	<90	70*70	<1.5
60	220V		≤21	≤10	≥90	<47	<95	75*75	<1.6
70	220V		≤22	≤10	≥90	<48	<100	75*75	<1.7
80	220V		≤25	≤10	≥90	<50	<100	75*75	<1.8
100	220V		≤25	≤9.5	≥92	<55	<100	75*75	<2
120	220V		≤25	≤9.5	≥92	<55	<105	75*75	<2.2
150	220V		≤26	≤9	≥93	<60	<110	85*85	<2.5
180	220V		≤26	≤8.5	≥93	<60	<120	85*85	<2.7
200	220V		≤27	≤8.5	≥94	<70	<125	85*85	<3
230	220V		≤28	≤8	≥94	<71	<125	95*95	<3.2
250	220V		≤28	≤8	≥94	<72	<127	95*95	<3.5
280	220V		≤29	≤7.5	≥94	<73	<130	95*95	<3.6
300	220V		≤30	≤7.5	≥94	<75	<135	95*95	<3.8
320	220V		≤30	≤7.5	≥94	<75	<135	105*105	<4
350	220V		≤35	≤7.5	≥95	<90	<135	105*105	<4.5
380	220V		≤40	≤7.5	≥95	<90	<135	105*105	<5
400	220V		≤40	≤7.5	≥95	<90	<140	105*105	<5.5
430	220V		≤40	≤7	≥95	<92	<140	105*105	<5.7
450	220V		≤40	≤7	≥95	<92	<140	105*105	<6
480	220V		≤45	≤7	≥95	<93	<140	115*115	<6.5
500	220V		≤45	≤6.5	≥95	<94	<140	115*115	<6.5
550	220V		≤50	≤6.5	≥95	<100	<145	115*115	<7
600	220V		≤55	≤6.5	≥95	<100	<150	130*130	<7.5
650	220V		≤55	≤6.5	≥95	<105	<155	130*130	<8
700	220V		≤60	≤6	≥95	<108	<155	130*130	<8.5
800	220V		≤65	≤6	≥95	<115	<160	130*130	<9.5
1000	220V		≤85	≤5.5	≥95	<130	<160	150*150	<12
1500	220V		≤105	≤5.5	≥95	<135	<180	150*150	<13
2000	220V		≤125	≤5	≥95	<150	<200	190*190	<15

Q1: What is the MOQ ?
A1: 1 set.
Q2: Is OEM/ODM available?
A2: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to
customers' drawing or requirements.
Q3: Can we put/show our own Logo on your products?
A3: Yes.
Q4: What is the Terms of Payment?
A4: T/T, Western Union ,Paypal ,L/C
Q5: Can you offer Form A or Form E or C/O ?
A5: Yes, no problem, we can apply for it from our local government.
Q6: How is the delivery time ?
A6: It depends your order quantity and it normally takes 5-20 days .
Q7: How long is the service life ?
A7: It is 20-30 years.
Q8: How long is the warranty ?
A8: Within one year from the sale date, if there are any accessory problems,
you just provide the photos of damaged accessory, then we will provide free accessory.
According to the number of products, we will provide easily damaged accessories for free.
We also can provide technical support if you need.
Q9: In order to recommend appropriate product models and accurate quotations, you need to provide us with necessary specification references in the inquiry:
A9: 1. Power capacity (unit: KVA or kW) 2. Input voltage 3. Output voltage

Please don't be hesitate to Contact Us for any questions,your inquiry will be on our priority attention and fastest reply!

Address: Rongtian Enterprise City 3 Building, Wuhan, Hubei, China

Business Type: Manufacturer/Factory

Business Range: Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery

Management System Certification: ISO 9001

Main Products: Toroidal Transformer, Bk Control Transformer, Control Switch, Inverter, R Type Transformer, E Type Transformer, Three Phase Transformer, Water Proof Ring Transformer, Industry 3 Phrase Transformer, Servo Electronic Transformers

Company Introduction: Hubei Changhao Electrical Co., Ltd. is a modern enterprise specializing in the production of transformers. The company is located in the beautiful city of Wuhan, East and West Lake District, Hubei Province, China. Wuhan is a national historical and cultural city, an important origin of Chu culture, and the ruins of Panlongcheng have a history of 3, 500 years. It has now become an important economic center in China and is known as the "East Chicago" of the East. Changhao Company is a cross-regional, cross-industry company without regional restrictions, and is a professional enterprise that produces various types of transformers. The company's headquarters is located in Beijing, where design, R&D, sales, and financial management are centered. The production base is mainly located in Beijing, but due to expanding production, a production base has been established in East and West Lake District, Wuhan, Hubei. The company is 15 kilometers away from the city center of Wuhan and 18 kilometers away from Wuhan Airport. It is 2 kilometers away from the Beijing-Hong Kong-Macau Expressway and 8.4 kilometers away from the Shanghai-Chongqing Expressway. Highways intersect each other, making it the engine of economic development in the northern part of Wuhan and an active economic area with convenient transportation. The company has a production area of 2, 000 square meters in Wuhan and has more than 80 sets of professional equipment for various types of transformers. It currently has more than 80 production workers and an annual production value of more than 20 million yuan. With the research and development strength of Beijing Jiuchang Electrical Co., Ltd., it has established long-term supply relationships with more than 30 manufacturers and enterprises in the north, and has been listed as a small and medium-sized enterprise innovation fund project by the Wuhan Science and Technology Bureau. The products have formed mass production capabilities in 2013. The company's independently developed and innovative products include three-phase dry-type transformers, ring-type transformers, R-type transformers, BK control transformers, and are widely used in industrial automation, the medical industry, and low-voltage and high-voltage power distribution industries.

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