High-Quality 3 Wire Power Module Supplier & Suppliers

Your Trusted Partner for Advanced SMPS Solutions, Universal TV Power Boards, and Industrial Grade Power Modules. Precision Engineering from Sichuan, China.

The Global Landscape of 3 Wire Power Modules

The 3 Wire Power Module has become a cornerstone in the global electronics repair and maintenance industry. As the world shifts towards more complex electronic devices, the demand for reliable, universal switching power supply (SMPS) modules has skyrocketed. In the commercial and industrial sectors, these modules are prized for their ability to revive CRT and LCD televisions, monitors, and various industrial power units that would otherwise be discarded.

From the bustling repair hubs of Southeast Asia to the industrial maintenance centers in Africa and South America, the "3-wire" configuration—typically consisting of the Drain, Ground, and VCC/Feedback lines—is celebrated for its simplicity and high compatibility. It provides a standardized solution for technicians who face the challenge of sourcing original manufacturer parts for aging or obscure electronic equipment.

18+ Years Experience
100+ Exporting Countries
500k+ Monthly Capacity
99% Customer Satisfaction
Sichuan Junhengtai Factory

About Sichuan Junhengtai

Sichuan Junhengtai Electronic Appliance Co., Ltd. was established in 2005 and is located in Chengdu, Sichuan Province, China. We are an enterprise focusing on the production and sales of LCD TV accessories and home appliance accessories. We are committed to providing customers with high-quality, cost-effective products, excellent product quality, and reasonable prices. Our company continues to innovate and improve products and services to meet customer needs and market changes.

Since its establishment, we have adhered to the business philosophy of “Integrity, Perseverance and Steady development”. With years of accumulated technics and experiences, high-standard quality management system, and perfect after-sales service, we have won high accolades from customers worldwide.

Industry Trends & Procurement Evolution

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Miniaturization

Modern 3-wire modules are shrinking. Using high-frequency switching technology, manufacturers are now able to provide high-power outputs in smaller footprints, perfect for slim LED/LCD displays.

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Efficiency Standards

Global regulations like Energy Star are pushing for higher efficiency. Our modules utilize advanced PWM controllers to ensure minimal heat dissipation and standby power consumption.

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Localized Demand

Emerging markets in India, Bangladesh, and Cameroon are seeing massive growth in "Modular Repairs." Instead of replacing expensive motherboards, technicians use universal modules to fix power stages.

Global procurement needs are evolving from "low cost" to "reliable performance." Procurement managers are now seeking suppliers who can provide consistent quality (ISO9001) and certifications like CE and FCC. Sichuan Junhengtai stands at the forefront of this trend, bridging the gap between high-volume manufacturing and precision quality control.

Our Service Advantages

Professional Team

The company has a professional R&D team and after-sales service team, which can provide professional technical support and services.

Quick Response

The company has formed a good communication mechanism with customers, and can respond to customers' needs and questions in a timely manner.

Quality Assurance

The company strictly follows the ISO9001 international quality management standard for production and quality control to ensure product quality.

The Product Advantages

Diversity

The company's product line includes various types of products such as power modules, LED TV motherboards, and LED drive power supplies, meeting the needs of different customers.

High Performance

Our products adopt high-quality materials and advanced production technology, featuring high efficiency, low power consumption, and high stability.

High Reliability

Products have passed a number of certifications, such as CE, FCC, etc., and can operate stably in various environments and usage occasions.

Why Choose a Chinese Factory for Power Modules?

Supply Chain Dominance

Sichuan, though inland, has become a high-tech hub in China (the "Western Silicon Valley"). By sourcing from a direct factory like Junhengtai, you bypass multiple layers of distributors, reducing your procurement cost by 20-40%. We have direct access to raw components, allowing us to maintain a stable supply even during global shortages.

Localized Application Scenes

  • Home Electronics Repair: In Southeast Asian countries like Indonesia and Bangladesh, our JHT 29-3 and 29-5 modules are the standard for repairing 14"-29" CRT and LCD TVs.
  • Industrial Power Backup: Our modules are used in small industrial controllers where custom power supply designs are too expensive.
  • Smart TV Manufacturing: We provide universal motherboards (like the DTV3663) that help small-scale TV assembly plants in Africa produce competitive local brands.

Technical Excellence

A typical 3-wire module installation involves:

1. Red Wire: Connects to the primary transformer's switching tube (collector/drain).
2. Black Wire: Connects to the ground (hot ground).
3. Grey/Green Wire: Optocoupler feedback control for voltage stabilization.

Our engineering ensures these connections are robust and tolerant to voltage fluctuations common in developing power grids.

The Future of Power Electronics with Junhengtai

As we look forward, the transition to 4K, 8K, and OLED technology presents new challenges for power supply stability. Sichuan Junhengtai Electronic Appliance Co., Ltd. is already developing the next generation of High-Performance Power Modules with integrated AI-driven protection circuits. Our goal is to remain the world's leading 3 Wire Power Module Supplier, offering not just a component, but a reliable lifeline for electronics across the globe. Join hundreds of international partners who trust our heritage of innovation, reliability, and engineering excellence. Whether you are a large-scale distributor or a specialized repair center, our global supply chain is ready to serve your needs with precision and speed.