What is a 12V 4 Pin Voltage Rectifier Regulator (Half wave)?

A 12V 4 Pin Voltage Rectifier Regulator (Half wave) is an electronic component that converts alternating current (AC) to direct current (DC) while regulating the output voltage to a stable 12V. It employs a half-wave rectification method, allowing only one half of the AC signal to pass through, thus creating a unidirectional flow of current. This ensures that your devices, such as automotive electronics or DC motors, receive a consistent voltage, protecting them from fluctuations that could cause damage.

What applications can I use the 12V 4 Pin Voltage Rectifier Regulator for?

This rectifier regulator is commonly used in automotive applications, powering 12V DC devices such as lights, fans, and small motorized gadgets. Additionally, it's ideal for DIY electronics projects where stable 12V DC power supply is required, such as in robotics or control systems. Its versatility makes it useful in home automation setups where devices need a regulated power source for optimal performance.

What are the main features of the 12V 4 Pin Voltage Rectifier Regulator?

The main features of the 12V 4 Pin Voltage Rectifier Regulator include its compact design, durability, and capability to handle 12V systems effectively. With four pins for easy connections, it simplifies integration into various circuits. The half-wave rectification provides sufficient voltage regulation for many applications, making it a reliable choice for users needing stable power supply solutions.

How does a half-wave rectifier differ from a full-wave rectifier?

A half-wave rectifier only allows one half of the AC waveform to be used, resulting in lower efficiency compared to a full-wave rectifier, which uses both halves. This means that the output from a half-wave rectifier fluctuates more significantly than that of a full-wave rectifier, leading to greater ripple voltage. For applications that can tolerate this ripple without issues, a half-wave rectifier could be an economical and straightforward choice.

Can I use this regulator with solar panels?

Yes, you can use the 12V 4 Pin Voltage Rectifier Regulator with solar panels, particularly in systems where solar energy needs to be converted to a usable DC form for direct applications. If your solar panel emits an AC output, this regulator can effectively convert it to a 12V DC output, powering devices directly. Ensure that the solar panel's voltage matches the input requirements of the regulator for optimal performance.

What should I consider when connecting this regulator?

When connecting the 12V 4 Pin Voltage Rectifier Regulator, ensure proper orientation of the input and output pins to avoid reverse polarity, which can damage the device. It’s also important to verify the current requirements of your load to ensure the regulator can handle it effectively. Including filtering capacitors at the output can help smoothen the DC output and protect downstream devices from voltage spikes.

What are the common symptoms of a failing rectifier regulator?

Common symptoms of a failing 12V 4 Pin Voltage Rectifier Regulator include fluctuating output voltage, overheating, or complete failure to output DC voltage. Devices powered by the regulator may show signs of intermittent operation, which could harm sensitive electronics. Monitoring output voltage and temperature can help identify issues before they lead to equipment damage.

Is this regulator suitable for high current applications?

The 12V 4 Pin Voltage Rectifier Regulator is generally designed for low to moderate current applications. If your application requires a high current draw, you might need a dedicated high-current regulator or multiple regulators in parallel. Ensuring the regulator's specifications meet the requirements of your devices will help in avoiding overloading and potential failures.

Do I need additional components when using this rectifier?

While the 12V 4 Pin Voltage Rectifier Regulator can function independently, adding components like capacitors for smoothing and diodes for additional protection can enhance its reliability. Smoothing capacitors help reduce ripple voltage, making the output more stable for sensitive electronic devices. Additionally, protective diodes can prevent reverse voltage spikes that could otherwise damage the regulator.

Where can I buy 12V 4 Pin Voltage Rectifier Regulator (Half wave) in Hong Kong?

You can purchase the 12V 4 Pin Voltage Rectifier Regulator (Half wave) from Ubuy, an online platform that offers a diverse selection of electronic components. Ubuy provides various options and brands, ensuring you find the right regulator to meet your specific needs. With its user-friendly interface and comprehensive product information, Ubuy is a reliable choice for purchasing electronic components.

如何從 Ubuy 在線購物 12V 4 Pin Voltage Rectifier Regulator (Full wave)？

從 Ubuy 在線購物 12V 4 Pin Voltage Rectifier Regulator (Full wave) 非常簡單。. 您只需搜索產品，在結賬時選擇運輸方式，然後將其運送到您所在的位置。

12V 4 Pin Voltage Rectifier Regulator (Full wave) 可以在 Hong Kong 在線購物嗎？

是的，您可以在 Ubuy Hong Kong 以合理的價格購買該產品。. 12V 4 Pin Voltage Rectifier Regulator (Full wave) 在本地不可用，但您可以信任我們的快遞服務。

下訂單後需要多長時間才能收到產品？

您訂購的產品的交貨時間根據您訂購的商品和您選擇的運輸方式而有所不同。. 結賬時會提到預計送貨時間，所以購物時請放心。

YD-PS001 觀看原文

12V 4 Pin Voltage Rectifier Regulator (Full wave)

Fit almost all of the ATV brands from China.

YD-PS001

物品 #: 62048152

12V 4 Pin Voltage Rectifier Regulator (Full wave)

85% of respondents would recommend this to a friend

物品 #: 62048152

HKD 128

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from 美國}

供應情形 : 有存貨

從USA商店導入

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現在訂購，約可在下列時間收貨： Monday, 十月 26

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Fit almost all of the ATV brands from China.

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None

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ISO 27001 Certified

Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.

What Stands Out

Full Wave Rectification

This regulator efficiently converts AC to DC with minimal ripple, ensuring stable voltage output for optimal performance in sensitive electronics and automotive applications.

Compact Design

The 12V 4 pin configuration offers a space-saving solution, making it ideal for panel installations or areas with limited space without compromising on power efficiency.

Reliable Performance

Built to withstand varying load conditions, this regulator provides consistent voltage regulation, significantly reducing the risk of damage to connected devices and improving overall system longevity.

產品詳情

Country of Origin	This item will be imported from US
Date First Available	January 17, 2022
What is in the box	12V 4 Pin Voltage... For more details, please check description/product details

Product Technical Details

Manufacturer	‎YD-1
Brand	‎YD-PS001
Item Weight	‎3.2 ounces
Package Dimensions	‎4.61 x 3.15 x 1.02 inches
Item model number	‎YD-ZLQ
Manufacturer Part Number	‎YD-ZLQ

Who Should Buy?

DIY Enthusiasts
Perfect for hobbyists building circuits requiring stable 12V output from AC sources, ensuring reliable power conversion.
Motorcycle Operators
Ideal for those with older motorcycles needing voltage regulation for consistent battery charging and system operation.
Small Appliances
Great for powering small appliances and devices that function optimally with a steady 12V input without fluctuation.

High Power Appliances
Not suitable for high-wattage devices as it may not support the required voltage and current demands effectively.

產品敘述

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客戶問題與解答

題: 如何從 Ubuy 在線購物 12V 4 Pin Voltage Rectifier Regulator (Full wave)？

回答: 從 Ubuy 在線購物 12V 4 Pin Voltage Rectifier Regulator (Full wave) 非常簡單。. 您只需搜索產品，在結賬時選擇運輸方式，然後將其運送到您所在的位置。
題: 12V 4 Pin Voltage Rectifier Regulator (Full wave) 可以在 Hong Kong 在線購物嗎？

回答: 是的，您可以在 Ubuy Hong Kong 以合理的價格購買該產品。. 12V 4 Pin Voltage Rectifier Regulator (Full wave) 在本地不可用，但您可以信任我們的快遞服務。
題: 下訂單後需要多長時間才能收到產品？

回答: 您訂購的產品的交貨時間根據您訂購的商品和您選擇的運輸方式而有所不同。. 結賬時會提到預計送貨時間，所以購物時請放心。

YD-PS001 Rectifiers ‎YD-ZLQ Editorial Review

12V 4 Pin Voltage Rectifier Regulator (Full wave) is designed to efficiently address power issues in various motors, making it a reliable choice for users looking to fix lighting problems. One user noted its effectiveness in correcting lighting issues on an icebear after a swap to the zs212 motor, while another mentioned its suitability for the zs190cc motor as well. The product boasts a plug-and-play feature that facilitates easy installation with existing harnesses, enhancing convenience for users with China Bikes. However, some users pointed out that while it functions as a full wave rectifier, it does not effectively regulate voltage, with outputs matching that of the stator.

Customer Reviews & Ratings

4.3

17 客戶評分

5 星

74%
4 星

9%
3 星

0%
2 星

10%
1 星

7%

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優點

Plug-and-play design for easy installation
Suitable for multiple motorcycle models
User-friendly for DIY repairs
Reliable full wave rectification

缺點

Voltage regulation may not meet all expectations

Platform Trust & Buyer Confidence

3.8/5 120 reviews

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F Zhang

Verified buyer

“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot

Roxy

Verified buyer

“Great products and services”

17 April 2026 · via Trustpilot

Khushi

Verified buyer

“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”

6 July 2026 · via Trustpilot

kritika

Verified buyer

“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”

3 July 2026 · via Trustpilot

Sam

Verified buyer

“Great product, good packing, the goods arrived quickly and well protected.”

6 June 2026 · via Trustpilot

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Product Price History

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限制：如跨國購買產品，請注意製造商的保固有可能無效；製造商服務選項可能無法使用；產品手冊、教學、以及安全警示可能不會是目的地國家的語言；產品（與附加材料）設計也許不會符合目的地國家的標準、規格、以及標示要求；且產品也許不會符合目的地國家的伏特數值與其他電力標準（需要使用合適的變壓器或轉接器）。收件者須負責確定該產品在目的地國家可合法進口。當在 Ubuy 或其聯盟夥伴網站上訂購時，收件者為記錄上的進口者，且必須遵從目的地國家的法律與規範。
由於 Ubuy 是一個全球搜尋引擎，並不是所有列於 Ubuy 的產品都有出售。產品須受出口／貿易法規規範。

HKD 128

現在訂購，約可在下列時間收貨： Monday, 十月 26

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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Fastest cross-border delivery

特色和優勢

Compatible with a wide range of Chinese ATV brands.
Essential for maintaining proper electrical functions.
Perfect for 150cc to 300cc engines.
Simple installation - compare old parts before ordering.
Includes 1 voltage rectifier regulator in the package.
Ideal for ATVs, dirt bikes, go-karts, and more.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

12V 4 Pin Voltage Rectifier Regulator (Full wave)