# Mini power supply for PCB, 220VAC to 3.3VDC, HLK-PM03, Hi-Link

> Switching power supply for PCB mounting, HLK-PM03 by Hi-Link, converts a 100-240VAC input voltage (fixed) into a stable 3.3VDC output. Maximum current 1A, maximum power 3W. Compact format for direct integration onto the circuit board. Caution: 220VAC voltage is present on the board, risk of electric shock if handled incorrectly.

- Page: https://sigmanortec.ro/en/mini-power-supply-for-pcb-220vac-to-33vdc-hlk-pm03-hi-link
- Price: 25.11 RON
- Availability: In stock; 1-2 zile
- Reference: 9561 · EAN: 5947976320273
- Category: Electronic components > Power Supply
- Specifications: Source Type: descend; Adjustment Type: Fixed; Input Voltage: 220VAC; Output Voltage: 3.3VDC; Input Voltage Type: AC; Output Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.018 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:49 (Europe/Bucharest)

## Description

Mini switching power supply for PCB mounting, ideal for directly powering the board from the 100-240VAC network and obtaining a stable 3.3VDC. Delivers up to 1A and 3W, has a compact format for easy integration into industrial and electronic projects, offers efficient and reliable conversion for control circuits and IoT.
Switching voltage source for mounting on wiring (PCB board). This allows the PCB board to be supplied directly with 220VAC voltage and obtain a voltage of 3.3VDC directly on the circuit. ( Attention! 220VAC voltage will be present on the printed circuit!).
Specifications:
Supply voltage: 100 - 240VAC
Output voltage: 3.3VDC
Maximum output current: 1A
Maximum power: 3W
Manufacturer: Hilink
Model: HLK-PM03