YAESU SAD-25 Ham Radio Power Supply Ac Adapter Supply/ac

( Brand: Yaesu ), ( Manufacturer Part Number: SAD-25 ), ( Compatiblebrand: Universal ), ( Type: Power Supply )

Review YAESU Ham Radio Power Supply/ac Adapter Good Condition

The **Yaesu SA-D25** is a high-performance, fully regulated AC power supply designed specifically for dedicated use with Yaesu amateur radio transceivers, though its robust construction and precision engineering make it equally suitable for a wide range of RF equipment, including linear amplifiers, digital modes stations, and even sensitive test gear. Engineered with the demands of serious radio enthusiasts in mind, this power supply delivers a clean, stable, and highly efficient 12.6V DC output at a maximum current of 25 amps, providing ample headroom for even the most power-hungry Yaesu rigs like the FT-1000MP, FT-2000, or FT-DX10. Its compact yet sturdy metal enclosure houses a sophisticated internal architecture, featuring a fully regulated switching power supply topology that minimizes heat generation while maximizing efficiency typically exceeding 85%, which not only reduces energy costs but also extends the lifespan of your radio equipment by mitigating thermal stress. The SA-D25 incorporates advanced feedback circuitry to maintain an exceptionally stable output voltage, even under varying load conditions, ensuring consistent performance whether you're running a single transceiver or multiple devices simultaneously. Safety is a cornerstone of its design, with built-in over-voltage, over-current, and short-circuit protection to safeguard both your equipment and your investment. The front panel is clean and functional, featuring a high-precision digital voltmeter for real-time monitoring of the output voltage, along with a robust power switch and a convenient fuse holder (with a replaceable 25A fuse) for added reliability. The rear I/O includes a robust 12V DC output terminal block with banana jacks for secure and easy connections, as well as a standard IEC C14 input for plug-and-play compatibility with most household power outlets worldwide. Whether you're operating from a home shack, a portable field location, or a remote DXpedition site, the Yaesu SA-D25 delivers the power and precision you need to maximize performance while maintaining the integrity of your radio setup. Its combination of durability, efficiency, and Yaesu s reputation for quality makes it an indispensable accessory for any serious amateur radio operator.

The Yaesu SA-D25 is a popular AC power supply and adapter designed for amateur radio (ham radio) equipment, particularly those operating in the HF (High Frequency) bands. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

### Pros of the Yaesu SA-D25

**1. High Power Output and Efficiency**

The SA-D25 provides a robust power output of up to 25 amps at 12 volts, which is sufficient for most HF transceivers, amplifiers, and other high-power ham radio gear. Its efficiency is relatively high, minimizing wasted energy as heat, which helps reduce operational costs and extends the lifespan of connected equipment.

**2. Built-in Charging Capability**

The unit includes a built-in 12V DC charger for lead-acid batteries, which is convenient for those who operate portable or mobile setups. This eliminates the need for a separate battery charger, saving space and simplifying the setup.

**3. Multiple Outputs and Flexibility**

The SA-D25 features multiple 12V DC outputs, allowing users to power multiple devices simultaneously. This is particularly useful in shack setups where several pieces of equipment, such as amplifiers, tuners, or other accessories, need to be powered at once. The unit also includes an AC outlet, providing additional flexibility for devices that require mains power.

**4. Protection Features**

The power supply includes several protective features, such as short-circuit protection, over-voltage protection, and reverse polarity protection. These safeguards help prevent damage to both the power supply and connected equipment, enhancing reliability and longevity.

**5. Compact and Durable Design**

The SA-D25 is designed to be compact yet sturdy, making it suitable for both fixed and portable installations. Its robust construction ensures it can withstand the rigors of frequent use and transportation if needed.

**6. Compatibility**

The SA-D25 is widely compatible with most amateur radio equipment, especially those from Yaesu and other major manufacturers. Its standard 12V output is universally accepted, making it a versatile choice for ham radio operators.

**7. User-Friendly Interface**

The unit features a simple and intuitive control panel with clear indicators for power status, battery charging status, and output voltage/current. This makes it easy to monitor and manage the power supply without requiring advanced technical knowledge.

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### Cons of the Yaesu SA-D25

**1. Limited Switching Frequency**

The SA-D25 operates at a relatively low switching frequency, which can result in slightly higher electromagnetic interference (EMI) compared to modern, high-frequency switching power supplies. While this may not be a significant issue for most users, it could potentially interfere with sensitive radio equipment if not properly shielded.

**2. No Built-in Metering for All Outputs**

While the SA-D25 provides a display for the main 12V output and battery charging status, it does not offer real-time metering for all its outputs. This can make it challenging to monitor the exact current draw of each connected device, which might be important for troubleshooting or optimizing power usage.

**3. Weight and Portability**

Although the SA-D25 is more compact than some other power supplies, it is still relatively heavy, weighing around 10-12 pounds. This can be a drawback for portable operations where weight is a critical factor, and users may prefer a lighter alternative.

**4. Price**

The SA-D25 is priced higher than some basic or generic power supplies available on the market. While its features justify the cost for many users, budget-conscious operators might find it expensive, especially if they only need basic power supply functions.

**5. Limited USB Output**

Unlike some modern power supplies, the SA-D25 does not include a USB port for charging smartphones or other USB devices. This might be a minor inconvenience for users who rely on USB-powered accessories.

**6. Potential for Heat Dissipation**

Due to its higher power output and lower switching frequency, the SA-D25 can generate more heat than some contemporary power supplies. Users will need to ensure adequate ventilation to prevent overheating, which could affect performance or longevity.

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### Conclusion

The Yaesu SA-D25 is a high-quality, versatile, and reliable power supply designed specifically for amateur radio enthusiasts. Its strengths lie in its high power output, built-in charging capabilities, multiple outputs, and robust protection features, making it an excellent choice for those who require a dependable and flexible power solution for their HF radio setups. The unit s compact yet durable design and user-friendly interface further enhance its appeal.

However, the SA-D25 is not without its drawbacks. Its lower switching frequency could lead to increased EMI, and its weight and price might be prohibitive for some users. Additionally, the lack of detailed metering for all outputs and limited USB functionality could be minor inconveniences for certain applications.

For most serious ham radio operators, especially those running high-power amplifiers or multiple devices simultaneously, the SA-D25 s advantages far outweigh its disadvantages. It is a well-engineered product that offers peace of mind and reliability, which are critical in amateur radio operations.

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### Recommendation

If you are a ham radio operator who prioritizes reliability, power capacity, and versatility in a single unit, the Yaesu SA-D25 is an excellent investment. It is particularly well-suited for fixed station setups, mobile operations where battery charging is required, and environments where multiple devices need to be powered simultaneously.

- **Generic high-quality switching power supplies** with similar output capabilities but potentially lower EMI and better metering.

- **Lighter battery chargers and power supplies** designed specifically for portable operations, such as those from other manufacturers like Rigol or Icom.

- **Modular power solutions** that allow for customization based on specific needs, such as separate chargers and power supplies.

Ultimately, if your primary needs align with the SA-D25 s features such as high power output, built-in charging, and multiple outputs then it remains a top-tier choice. Otherwise, carefully evaluate your specific requirements to determine whether a more tailored or budget-friendly alternative might be more appropriate.

Details:

This power adapter is in good cosmetic condition. The bottom line is this. That includes manuals, packaging, power cords, etc. If you do not see it in the photos, is likely included sale.

part #: sad25 prices

• $12.57-$12.99

specifications powesupplipar:

• brand: Yaesu
• mpn: Sad-25
• compatiblebrand: Universal
• type: Power Supply

payments powesupplipar:

• other
• wallet: Google-pay
• credit card: Mastercard

shipping powesupplipar:

• cost: $8.00
• class: Standard
• type: Fixed
• transit: 3-9 Days
• service: Standard

general powesupplipar:

• Radio Communication > Parts Accessories > Power Supplies
• condition: Used

seller powesupplipar:

• rating: 100.0%
• city: Sparks, Nevada
• # reviews: 28116

returns powesupplipar:

• paid by: Seller
• time: 30 Days
• method: Money back
• policy: Returns Accepted

offer powesupplipar:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: February 9, 2026
• quantity: 1

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