AC- DC 9V 500mA Power Supply Buck Converter Step Down Module
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![220V to 9V SMPS power supply]()
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![AC-DC 9V 500mA isolated module]()
![220V to 9V SMPS power supply]()
![9V 0.5A step-down converter board]()
-17%
AC- DC 9V 500mA Power Supply Buck Converter Step Down Module
Available:In Stock
- Product SKU: KG338
₹ 279
₹ 339
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Warehouse Details:
Specification
Description
AC-DC 9V 500mA Isolated Power Supply Module (4.5W) – 220V to 9V Step-Down Converter
The AC-DC 9V 500mA power supply module is a compact isolated SMPS module that converts 220V AC input into a stable 9V DC output. With up to 500mA output current and 4.5W max power, it is suitable for powering low-power electronics, controllers, sensors, and small 9V loads.
This module features AC-DC isolation (AC side is electrically isolated from the DC side) and includes protection functions such as short-circuit, overload, and over-temperature protection. Its small footprint makes it easy to integrate into DIY projects, embedded systems, and compact enclosures.
This module features AC-DC isolation (AC side is electrically isolated from the DC side) and includes protection functions such as short-circuit, overload, and over-temperature protection. Its small footprint makes it easy to integrate into DIY projects, embedded systems, and compact enclosures.
Technical Details
- Input Voltage: 220VAC
- Output Voltage: 9VDC
- Output Current: 500mA
- Output Power: 4.5W (Max.)
- Input Current: 0.0273A (AC110V)
- Efficiency: 85%
- Inrush Current: 20A
Features
- Wide input voltage range
- Overload, short circuit, and over-temperature protection
- Small size with high efficiency
- Full-load burn-in tested (reliability checked)
- Isolated AC to DC design for safer integration
Physical Attributes
- Dimensions (L × W × H): 30 × 20 × 15 mm
- Weight: 10g
Important Notes
- Mains safety: This module connects to 220V AC. Use proper insulation and enclosure. Do not touch live terminals.
- Load limit: For best life and lower heating, avoid continuous full-load operation inside sealed enclosures.
- Polarity: Always verify +9V and GND before connecting your circuit.
Package Includes
- 1 × AC-DC 9V 500mA Isolated Power Supply Module (4.5W)
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