The 9V 2A Power Adapter is a versatile, plug-and-play AC/DC switching power adapter designed to convert standard household mains voltage (100V to 240V AC) into a steady, regulated 9V DC output.
The 9V 2A Power Adapter is a versatile, plug-and-play AC/DC switching power adapter designed to convert standard household mains voltage (100V to 240V AC) into a steady, regulated 9V DC output. Housed in a durable, flame-retardant plastic enclosure, it provides a stable and clean power source for medium-current electronics, communication devices, and microcontroller setups.
It features built-in overload protection, short-circuit protection, and thermal shutdown circuitry to safeguard connected equipment against power fluctuations. Equipped with a standard DC barrel jack connector (5.5mm × 2.1mm center-positive), it offers wide compatibility with various development boards, audio gear, LED strips, and bench testing modules.
| Input Voltage Range | 100V to 240V AC (50Hz / 60Hz) |
|---|---|
| Output Voltage | 9V DC regulated constant voltage |
| Rated Output Current | 2A (18W maximum power capacity) |
| Output Connector | Standard 5.5mm × 2.1mm DC barrel plug (Center Positive) |
| Protection Mechanisms | Short-circuit protection, over-current protection, and over-voltage protection |
| Efficiency & Ripple | High energy efficiency with low output ripple and noise |
| Form Factor | Compact wall-mount / desktop power brick with attached AC plug and output cord |
What is the operating voltage?
100V to 240V AC (50Hz / 60Hz).
Is it compatible with Arduino?
Yes. It works with Arduino projects.
Can I buy the 9V 2A DC Power supply adapter with 5.5mm x 2.5mm male plug pin connector in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.