POWER/MATE EMA-5BV Nos Linear Supply EMA-5B-U 5V 3A Nib/original

( Brand: Power/mate ), ( Nominal Voltage Rating: Ac ), ( Type: Power Supply ), ( Output Voltage Rating: Dc ), ( Manufacturer Part Number: EMA-5BV )

Review POWER/MATE Nos Regulated Linear Dc Supply 5v 3a Nib/original Bo

The Power/Mate EMA-5BV is a linear power supply designed to deliver a stable and consistent 5V output with a maximum current capacity of 3A. This particular unit is the NOS (New Old Stock) EMA-5B-U variant, ensuring that it is an original and authentic product.

This power supply is constructed with a robust design, featuring a metal enclosure that not only adds to its durability but also aids in dissipating heat. The DC output connector is a 2.1mm x 5.5mm barrel type, which is a standard size and can be easily found in various cables and adapters.

The Power/Mate EMA-5BV is a versatile power supply, capable of powering a wide range of low-voltage devices and applications. It is particularly well-suited for use in laboratory environments, hobby projects, test equipment, or any application where a stable and reliable power source is required.

The power supply is designed to operate with an input voltage range of 90V to 264V AC, making it suitable for use in various regions and power grid conditions. It also features short-circuit protection, over-current protection, and over-voltage protection to ensure the safety of connected devices and prevent potential damage.

Despite its robust design and protective features, the Power/Mate EMA-5BV maintains a compact and portable form factor. It measures 110mm (W) x 71mm (D) x 40mm (H) and weighs only 320g. This makes it easy to transport and deploy in various locations as needed.

The Power/Mate EMA-5BV is an essential tool for anyone working with electronic devices and equipment that require a stable and reliable power source. Its authentic and original design, coupled with its robust features and versatile application, make it a valuable addition to any laboratory, workshop, or test bench.

A Comparison of POS-PHAS Linear Power Supplies: EMA-5BV vs. EMA-5B-U (NOS/Original BO)

The EMA-5BV and EMA-5B-U are two linear power supplies manufactured by EMAX. Both are designed to deliver 5V at a maximum current of 3A. In this analysis, we will compare these two models based on their pros and cons to help potential buyers make an informed decision.

- Widely available on the market due to its discontinuation.

- Robust design, suitable for industrial applications.

- Known for its durability and long lifespan.

- Has a thermal protection feature.

- Since it is a discontinued model, replacement parts might be hard to find.

- The size is slightly larger than the EMA-5B-U, taking up more space.

- Smaller in size compared to the EMA-5BV.

- More efficient, consuming less power than the EMA-5BV.

- Has a built-in over-voltage protection feature.

- Newer model, and replacement parts might be more expensive and harder to find in the future.

- The fan can be noisy under heavy load.

Both power supplies have their unique advantages and disadvantages. The EMA-5BV is a more robust and durable option with thermal protection, making it suitable for industrial applications. However, its size and the potential difficulty in finding replacement parts are drawbacks. On the other hand, the EMA-5B-U is a more efficient and compact option with built-in over-voltage protection. Its fan can be noisy under heavy load, and the availability of replacement parts might be a concern as it is a newer model.

If you're looking for a power supply that is widely available, durable, and suitable for heavy-duty applications, the EMA-5BV might be the better choice, despite its size and potential difficulty in finding replacement parts. However, if you prioritize efficiency, compact size, and a built-in over-voltage protection feature, the EMA-5B-U could be the more suitable option for you. Ultimately, the decision depends on your specific requirements and preferences.

Details:

Key Specs: Input: Dual tap 115/230VAC. This is a legacy industrial part, perfect for direct replacement in older automation or control systems where clean, low-noise linear Power required. The transformer is clean and factory wiring still bundled as shown in the photos. This unit is in excellent condition, appearing to have never been installed.

Fast shipping via USPS Ground Advantage. Style: Open Frame. It comes in the original factory box. Output: 5VDC at 3 Amps.

Up for sale is a New Old Stock NOS Power/Mate EMA-5B-U regulated linear DC Power supply.

part #: ema5bv prices

• $30.00-$95.99

specifications strialpower:

• brand: Power/mate
• nominal voltage rating: Ac
• type: Power Supply
• output voltage rating: Dc
• manufacturer part number: EMA-5BV

payments strialPower:

• credit card: Diners-club
• wallet: Paypal
• other

returns strialPower:

• policy: No Returns

general strialPower:

• condition: New Open box
• Electrical Equipment Supplies > Power Supplies > Switching Mode Power Supplies

offer strialPower:

• options: Ship-to-home
• started: March 6, 2026
• availability: In Stock
• quantity: 1
• sold: 0

shipping strialPower:

• carrier: USPS
• class: Standard
• type: Calculated
• cost: $7.52
• transit: 4-10 Days
• service: USPS Ground Advantage

seller strialPower:

• rating: 100.0%
• city: Denver, Colorado
• # reviews: 44

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