PHIHONG PSA21R-090 Power Supply

( Brand: Phihong ), ( Part Type: Supply ), ( Manufacturer Part Number: PSA21R-090 )

Review PHIHONG Psa21r090 Used

The Phihong PSA21R-090/PSA21R090 is a versatile and high-performing AC-DC power adapter designed for various applications. This power adapter comes in a compact and lightweight design, measuring only 1.77 inches (45mm) in length, 1.38 inches (35mm) in width, and 0.78 inches (20mm) in height, making it an ideal choice for space-constrained environments.

The PSA21R-090/PSA21R090 is a 21W universal power adapter that can automatically adjust its output voltage and frequency to match the input power source, ranging from 100V to 240V AC, 50/60Hz. This feature ensures safe and reliable operation in different regions and electrical conditions.

The power adapter features a high-quality, CE-certified AC input, ensuring compliance with international safety standards. It also includes a built-in overcurrent protection circuit to prevent damage to the device or power source in case of overloading.

The DC output of the PSA21R-090/PSA21R090 is a center-positive 5.5mm x 2.1mm barrel jack, delivering a stable 12V DC output at up to 1.75A. This output is suitable for powering a wide range of devices, including industrial equipment, laboratory instruments, and test and measurement equipment.

The adapter's housing is constructed from high-quality flame-retardant materials, ensuring durability and safety even in harsh environments. It also comes with a detachable 6-inch (152mm) DC power cable, providing added flexibility and convenience in placement and positioning of the device.

The Phihong PSA21R-090/PSA21R090 is backed by a 2-year warranty, ensuring peace of mind and reliable operation for your applications. Its robust design, universal compatibility, and high power output make it an excellent choice for powering various devices in industrial, laboratory, or testing applications.

The Phihong PSA21R-090 PSA21R090 is a 21A, 100-240V AC to 5V DC adjustable power supply. Here are some pros and cons that might help in your decision-making process:

1. Adjustable output voltage: The power supply can be set to output voltages ranging from 1.2V to 5V, providing flexibility for various applications.

2. Wide input voltage range: It can accept input voltages from 100V to 240V AC, making it suitable for use in different regions.

3. Short circuit protection: The power supply includes short circuit protection, ensuring safety in case of an accidental short circuit.

4. Overcurrent protection: The power supply can detect and limit the output current to prevent damage to connected devices.

5. Reasonably priced: The Phihong PSA21R-090 is competitively priced compared to similar adjustable power supplies.

1. Lack of overvoltage protection: The power supply does not have built-in overvoltage protection, which could be a concern for certain applications.

2. Heavy: The power supply weighs around 2.6 lbs (1.18 kg), which might be a disadvantage for those who need a portable solution.

3. No remote control: The power supply does not come with a remote control, which could be a limitation for some users.

In conclusion, the Phihong PSA21R-090 PSA21R090 is an adjustable power supply that offers a wide input voltage range, adjustable output voltage, and multiple safety features. However, it lacks overvoltage protection and is relatively heavy. Depending on your specific requirements, you might find its pros outweighing the cons, making it a suitable choice for your needs. If overvoltage protection is crucial to your application, you may consider looking for an alternative power supply with this feature.

If you're in the market for an adjustable power supply with a wide input voltage range, the Phihong PSA21R-090 could be a solid choice for your needs, as long as overvoltage protection is not a deal-breaker for you. However, if overvoltage protection is essential for your application, you may want to explore other options with this feature.

Details:

Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

part #: psa21r090 price

• $9.58

specifications strialpower:

• brand: Phihong
• part type: Supply
• manufacturer part number: PSA21R-090

returns strialpower:

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

shipping strialpower:

• cost: $12.90
• type: Fixed
• transit: 29-34 Days
• service: Standard
• class: Standard

seller strialpower:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.5%
• # reviews: 190514

general strialpower:

• Electrical Equipment Supplies > Power Supplies > Power Supply Accessories
• condition: Used

payments strialpower:

• credit card: Diners-club
• wallet: Google-pay
• other

offer strialpower:

• started: February 17, 2026
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home

Phihong PSA21R-090 Is Similar To:

• Phihong 91-54489 9154489 Used (54.5% similar) All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed. Sells new and surplus product develops...(January 28th, 2026)