are the pins spaced correctly for thru hole pcb? thanks

If you mean the standard 2.54mm distance between holes: Yes they are.

Is input 110-220vac for the 3vdc output version?

All these modules have an input voltage between 90-264V.

What method do you use to affix a wire to the pins? Seems scary to use the 24g broadboard style jumper wire on them for 120v AC

Those wires work fine. Not enough current going through it to need anything bigger

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Mini Step-Down Power Supply, Intelligent Home Switching DC Power Module AC DC Isolated Power Module 220v to 5v, HLK PM01 AC DC Converter 220V to 5V（3PCS）

Mini Step-Down Power Supply, Intelligent Home Switching DC Power Module AC DC Isolated Power Module 220v to 5v, HLK PM01 AC DC Converter 220V to 5V（3PCS）

Product ID: 573927692

Details

Brand
EC Buying
Power Source
Ac/Dc
Mounting Type
PCB Mount
Current Rating
0.2 Amps
Specification Met
CE UL

⚡3W ultra-efficient power output

🌍Universal 90-245VAC input range

🛡️3000Vac isolation & robust protection

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₩51689

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your smart life with the tiniest titan in town!

COMPACT POWERHOUSE - Ultra-thin, ultra-small design fits anywhere in your smart home setup.
ECO SMART EFFICIENCY - Consumes less than 0.1W at no load, championing green energy and reducing your carbon footprint.
GLOBAL COMPATIBILITY - Seamlessly supports worldwide voltage inputs from 90 to 245VAC—plug and play without limits.
CERTIFIED RELIABILITY - Meets UL & CE standards with IP65 waterproofing and a 100,000+ hour lifespan for worry-free operation.
BUILT IN SAFETY SHIELD - Advanced short-circuit and over-current self-recovery protect your devices and ensure uninterrupted performance.

The HLK-PM01 Mini Step-Down Power Supply is a cutting-edge, ultra-compact AC-DC isolated module converting 220V to 5V with 3W output. Designed for smart home and automation, it features universal voltage input (90-245VAC), low ripple/noise, and robust safety protections including 3000Vac isolation. Certified UL and CE compliant, it boasts eco-friendly low power consumption (<0.1W no-load loss), IP65 waterproofing, and a long lifespan exceeding 100,000 hours, making it the ultimate reliable power solution for modern connected devices.

Specifications

ASIN	B09Z253MQ2
Brand	EC Buying
Brand Name	EC Buying
Current Rating	0.2 Amps
Customer Reviews	4.7 out of 5 stars 64 Reviews
Item Weight	0.7 Ounces
Manufacturer	EC Buying
Model Number	HLK-PM01
Mounting Type	PCB Mount
Part Number	HLK-PM01
Power Source	Ac/Dc
Power Source Type	Ac/Dc
Specification Met	CE, UL

Reviews

R**H

Great product at an amazing price..

9.02.2026

S**N

Tiny and functioning well

27.04.2025

J**J

Great supplies

4.03.2025

S**N

Good little power supply

2.11.2025

R**.

Que cumpla las espectativas

Muy buena fuente resuelve

29.10.2025

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