5V 2A Adaptor SMPS

Specification	Details
Input Voltage	100V - 240V AC
Output Voltage	5V DC
Output Current	2.0 Amperes
Power Rating	10 Watts
DC Connector	5.5mm x 2.1mm (Standard Barrel)
Efficiency	>80% (Level V/VI)

Price

₹ 135.59

(Tax included)

Barcode: 8484166

Product Description

The 5V 2A Adaptor (SMPS) is a high-efficiency switching mode power supply designed to provide a rock-solid 5V DC output for a wide range of digital electronics. Unlike traditional heavy linear transformers, this SMPS (Switching Mode Power Supply) uses high-frequency switching technology to remain compact, lightweight, and cool during operation. It is the ideal power solution for single-board computers like the Raspberry Pi (early versions), Arduino Mega, ESP32 development boards, and various IoT sensors. The internal regulator ensures that the output stays at a precise 5V even if your wall outlet voltage fluctuates, protecting your sensitive microchips from brownouts and over-voltage spikes.

Key Features

Stabilized 5V Output: Engineered to provide a clean, ripple-free voltage that is essential for the stable operation of microcontrollers and wireless modules.
Universal AC Input: Compatible with global power standards (100V–240V), making it perfect for international projects and travel.
Built-in Safety Suite: Features active circuitry to protect against Short-Circuits (SCP), Over-Voltage (OVP), and Over-Current (OCP).
High Current Density: Provides a full 2 Amperes of current, which is double the capacity of standard 1A adapters, allowing it to power multiple sensors and small servos simultaneously.
Low Standby Power: Optimized to consume minimal energy when the connected device is idle, meeting modern "Green" energy standards.

Technical Details

Cable Length: ~1 Meter.
Polarity: Center Positive (+), Outer Sleeve Negative (-).
Plug Style: 2-Pin Indian/European Wall Mount.

Prototyping and Engineering Tips from Robogears

The "Power Hungry" ESP32: If you are using an ESP32 or ESP8266 with multiple sensors and a display, a standard 500mA USB port is often not enough. This 2A adapter provides the necessary current "headroom" to prevent the board from crashing during high-power Wi-Fi transmission bursts.
Voltage Drop Caution: If you are extending the DC cable for a long-distance sensor project, remember that 5V systems are very sensitive to "Voltage Drop." A 5V signal can easily drop to 4.5V over a 3-meter thin wire, which might cause your microcontroller to reset. Keep the power wires as short and thick as possible.
Polarity Check: CRITICAL: While 99% of 5V devices are "Center Positive," always verify the icon on your device's power port. Connecting this 2A supply with reversed polarity can instantly destroy a Raspberry Pi or Arduino.
Heat Management: While this SMPS runs cool, avoid placing it in unventilated, airtight boxes. At a full 2A load, the internal components need minimal airflow to maintain their long-term efficiency and lifespan.
DIY Bench Supply: If you are using this for a breadboard project, use a 5.5mm Female DC Barrel Jack to Screw Terminal adapter. This allows you to securely connect jumper wires to the 5V and GND rails of your breadboard without cutting the adapter's original cable.

Package Includes

1 x 5V 2A Adaptor (SMPS)

Disclaimer: Indoor use only. Do not expose to moisture or high-humidity environments. Ensure your device is rated for 5V DC; applying 5V to a 3.3V-only device will cause permanent damage. Do not exceed the 2A current limit for extended periods. Always disconnect from the mains before making any changes to your circuit wiring.