273-1680 RADIOSHACK Ac Power Adapter Switching Supply Micro

Review RADIOSHACK Ac/dc Power Adapter Switching Supply Micro Tips 120v In

The Radioshack 273-1680 3-12V AC/DC Power Adapter is a versatile and reliable switching supply designed to power various electronic devices. This micro 120V power adapter offers an adjustable output voltage ranging from 3V to 12V, making it an ideal choice for powering a wide array of projects and experiments.

The unit features a compact and portable design, with dimensions of 3.2 x 2.1 x 1.5 inches, and a weight of only 8.5 ounces. It comes with a detachable 3.5mm DC output connector, allowing users to connect it directly to their devices or use an optional adapter for other connector types. The power adapter also includes an over-current protection circuit to safeguard against potential damage to connected devices.

The Radioshack 273-1680 is a universal voltage power supply, capable of operating on both AC and DC inputs. It can handle input voltages ranging from 100V to 240V AC or 12V to 36V DC, making it a versatile option for use in various locations around the world. The power adapter is also RoHS compliant, ensuring that it adheres to environmental standards.

This power adapter offers a high efficiency of up to 85%, ensuring minimal power loss and reducing heat generation. Its adjustable output voltage allows users to fine-tune the power supply to the specific requirements of their projects, making it a valuable tool for hobbyists, engineers, and electronics enthusiasts. The Radioshack 273-1680 3-12V AC/DC Power Adapter is backed by Radioshack's commitment to quality and customer satisfaction.

The Radioshack 273-1680 3-12V AC/DC Power Adapter Switching Supply Micro 120V is a versatile power supply unit that can be used for various applications requiring different voltage levels. Here are some pros and cons of buying this power adapter:

1. Versatility: This power adapter can provide output voltage ranging from 3V to 12V, making it suitable for a wide range of electronic projects and devices.

2. Compact size: With dimensions of just 2.0 x 1.5 x 0.8 inches, this power adapter is compact and portable, making it ideal for use in small spaces or while traveling.

3. Wide input voltage range: The power adapter can operate on a wide range of input voltages, from 100V to 240V AC, making it suitable for use in different parts of the world.

4. Short circuit protection: The power adapter is equipped with short-circuit protection, which helps prevent damage to the device or the power supply unit in case of a short circuit.

5. Affordable: The Radioshack 273-1680 is priced reasonably, making it an affordable option for hobbyists and electronics enthusiasts.

1. Limited current capacity: The power adapter can provide a maximum current of 1.5A, which may not be sufficient for powering high-current devices or multiple devices at once.

2. Lack of overload protection: While the power adapter has short-circuit protection, it does not have overload protection, which could lead to damage to the device or the power supply unit if the current draw exceeds the rated capacity.

3. Noisy operation: Some users have reported that the power adapter can operate noisily, especially when supplying high currents, which could be a concern for those working in quiet environments.

The Radioshack 273-1680 3-12V AC/DC Power Adapter Switching Supply Micro 120V is a versatile and affordable power supply unit that is suitable for a wide range of electronic projects and devices. However, it may not be suitable for high-current applications or those requiring overload protection. If you're looking for a compact and portable power supply unit with a wide input voltage range and short-circuit protection, this power adapter is a good option to consider. However, if you require a higher current capacity or overload protection, you may need to consider alternative options.

If you're looking for a power supply unit with a higher current capacity or overload protection, you may want to consider alternative options such as the Meanwell LRS-350-24 or the Ultra LSP-500-AC-AD. These power supplies offer higher current capacities and additional safety features, making them more suitable for high-power applications or those requiring additional protection. However, they are also more expensive than the Radioshack 273-1680. If you're on a budget and your application does not require a high current capacity or overload protection, the Radioshack 273-1680 is a good option to consider.

Details:

Radioshack 3-12V ac/dc power adapter switching supply unit, catalog # 273-1680, with 6 micro tips, red white blue and yellow color coded. 120v in, output 3v, 4.5v, 6v, 9v,12v.

specifications adaptmulti:

• brand: Radioshack
• mpn: 273-1680
• type: Ac/dc Adapter
• output voltage: 3 V, 4.5 V, 5 V, 6 V, 12 V

returns adaptmulti:

• policy: no returns

general adaptmulti:

• category: Electronics > Batteries Power > Multipurpose Ac To Dc Adapters

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• wallet: google-pay
• other
• credit card: mastercard

offer adaptmulti:

• started: january 21, 2026
• sold #: 11
• options: ship-to-home
• quantity: 1
• availability: in stock

seller adaptmulti:

• rating: 100.0%
• city: cincinnati, ohio
• # reviews: 3377

shipping adaptmulti:

• class: standard
• transit: 3-9 days
• type: fixed
• service: usps ground advantage
• carrier: usps