5V 1A SMPS Adaptor

Specification	Details
Output Voltage	5V DC
Power Rating	5 Watts
Plug Type	2-Pin Indian Standard
Efficiency	>75%

Price

₹ 93.22

(Tax included)

Barcode: 327929

Product Description

The 5V 1A SMPS Adaptor is a compact, high-efficiency switching mode power supply designed to provide a regulated 5V DC output for low-power electronic devices. Unlike traditional linear transformers, this SMPS (Switching Mode Power Supply) uses advanced high-frequency switching technology to remain lightweight and energy-efficient while staying cool during operation. It is the standard power solution for basic microcontroller projects, digital clocks, wireless sensors, and DIY hobbyist kits. The internal regulation circuitry ensures that your sensitive electronics receive a steady 5V even if the input AC mains voltage fluctuates, preventing potential damage from brownouts or minor surges.

Key Features

Stabilized 5V Output: Precision-tuned to deliver a constant voltage, essential for the reliable performance of logic-level digital circuits.
Universal AC Input Range: Capable of operating on global mains voltages (100V–240V), making it versatile for various geographical locations and unstable power grids.
Integrated Safety Protection: Features built-in defenses against Short-Circuits (SCP), Over-Voltage (OVP), and Over-Current (OCP) to safeguard your connected hardware.
Compact Wall-Mount Design: The small footprint ensures it does not obstruct adjacent sockets on power strips or wall outlets.
Low Ripple & Noise: Engineered with output filtering to minimize electrical noise, reducing interference in sensitive analog sensors or communication modules.

Technical Details

Cable Length: ~1 Meter.
Polarity: Center Positive (+), Outer Sleeve Negative (-).
Housing: Fire-retardant ABS plastic casing.

Prototyping and Engineering Tips from Robogears

Powering the Arduino: This adapter is ideal for powering an Arduino via the DC barrel jack. However, note that when using the DC jack, the Arduino's internal regulator needs at least 7V for optimal 5V output. For a 5V adapter like this, it is often more efficient to power the Arduino directly through the 5V and GND pins (if your circuit is regulated) or via a DC Jack to USB-B/Micro-USB adapter.
Current Consumption Check: This is a 1A (1000mA) adapter. If your project includes multiple servos or high-brightness LED arrays that draw more than 800mA continuously, consider upgrading to a 5V 2A version to prevent the adapter from overheating or the voltage from dropping ("sagging").
Polarity Verification: CRITICAL: While most 5V electronics are "Center Positive," always verify the polarity icon on your device's power port. Connecting a 5V supply with reversed polarity can instantly destroy microcontrollers and integrated circuits.
Voltage Drop over Distance: If you extend the DC cable more than 2-3 meters using thin wires, you will experience a "Voltage Drop." A 5V signal can easily drop to 4.7V over a long run, which may cause Wi-Fi modules (like the ESP8266) to become unstable. Use thicker gauge wire for any extensions.
Breadboard Integration: To use this adapter with a standard breadboard, we recommend using a 5.5mm Female DC Power Jack to Screw Terminal Adapter. This allows you to securely connect jumper wires to your breadboard power rails without cutting the original cable.

Package Includes

1 x 5V 1A SMPS Adaptor

Disclaimer: For indoor use only. Do not expose to moisture or high-humidity environments. Ensure your device is specifically rated for 5V DC; applying 5V to a 3.3V-only device will cause permanent hardware failure. Always unplug the adapter when not in use for extended periods. Do not attempt to open the sealed casing as there are high-voltage components inside.