AC 220V to DC 3.3V Step Down 1A 3.5W AC-DC Isolation Power Supply Module
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The AC 220V to DC 3.3V Step-Down Power Supply Module is a compact, high-efficiency isolated converter designed to safely power low-voltage electronic circuits directly from mains AC input. With a 3.3V DC output and 1A current capacity (3.5W power), this module is ideal for IoT devices, sensors, embedded systems, microcontrollers, and other 3.3V-powered electronics.
It provides short-circuit and overload protection, ensuring stable and reliable operation. The module’s low ripple and noise make it perfect for precision circuits or wireless communication devices that require clean DC power.
Features
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Input Voltage: 220VAC
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Output Voltage: 3.3VDC
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Output Current: Up to 1A
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Output Power: 3.5W
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Isolation Type: Fully isolated AC-DC design
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Efficiency: High efficiency with low power loss
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Protection: Overload and short-circuit protection
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Noise & Ripple: Low output ripple and noise for stable performance
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Design: Ultra-thin and ultra-compact, suitable for embedded applications
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Compliance: Meets UL and CE safety requirements
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Environmental: Low power consumption and RoHS-compliant materials
Applications
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IoT and embedded devices
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Microcontroller-based circuits (ESP32, ESP8266, STM32, Arduino 3.3V logic)
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Smart home automation systems
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Wireless transmitters and sensors
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Small DC loads powered from AC mains
Package Includes
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1 × AC 220V to DC 3.3V 1A 3.5W Isolated Power Supply Module
Technical Summary
| Parameter | Value |
|---|---|
| Input Voltage | 85–265VAC (nominal 220V) |
| Output Voltage | 3.3VDC |
| Max Output Current | 1A |
| Rated Power | 3.5W |
| Isolation Voltage | ≥1500VAC |
| Efficiency | >75% |
| Operating Temperature | -20°C to +60°C |
| Protections | Overload, Short-circuit |
| Output Type | Regulated, Isolated |
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General Questions
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What is the latest price of the AC 220V to DC 3.3V Step Down 1A 3.5W AC-DC Isolation Power Supply Module in Bangladesh?
The latest price of AC 220V to DC 3.3V Step Down 1A 3.5W AC-DC Isolation Power Supply Module in Bangladesh is BDT 120.00 . You can buy the AC 220V to DC 3.3V Step Down 1A 3.5W AC-DC Isolation Power Supply Module at the best price on BDTronics.com or contact us via phone.
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Where to buy AC 220V to DC 3.3V Step Down 1A 3.5W AC-DC Isolation Power Supply Module in Bangladesh?
You can buy AC 220V to DC 3.3V Step Down 1A 3.5W AC-DC Isolation Power Supply Module online by ordering on BDTronics.com or directly collect by visiting our store in person. BDTronics is a trusted provider of high-quality electronics, 3D printers, solar systems, and robotics parts. We offer fast shipping across the country via courier service.
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What are the delivery options of AC 220V to DC 3.3V Step Down 1A 3.5W AC-DC Isolation Power Supply Module in Bangladesh?
We provide home delivery service all over Bangladesh. We support Cash on Delivery, Online Bank Transfer, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-4 days outside Dhaka.