---
product_id: 375545736
title: "0.3mm/50g"
brand: "enersystec"
price: "15191 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/375545736-0-3mm-50g
store_origin: HU
region: Hungary
---

# Sn99 Ag0.3 Cu0.7 high conductivity alloy Low melting point 217°C 0.01in ultra-thin precision 0.3mm/50g

**Brand:** enersystec
**Price:** 15191 Ft
**Availability:** ✅ In Stock

## Summary

> ⚡ Solder Smarter, Not Harder — Join the Precision Revolution!

## Quick Answers

- **What is this?** 0.3mm/50g by enersystec
- **How much does it cost?** 15191 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/375545736-0-3mm-50g)

## Best For

- enersystec enthusiasts

## Why This Product

- Trusted enersystec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rosin Core Flux 2.5%:** Built-in flux optimizes flow and adhesion, reducing rework and labor costs
- • **Premium Lead-Free Alloy:** Sn99 Ag0.3 Cu0.7 formula ensures superior conductivity and reliable joints without toxic lead
- • **Fast & Efficient Melting:** Melts quickly at 419°F (217°C) to speed up your workflow with any soldering tool
- • **Versatile Electronics Use:** Ideal for fine electronics, circuit boards, and precision soldering projects
- • **Pinpoint Precision Soldering:** Ultra-thin 0.01in diameter perfect for micro components and tight MSD pads

## Overview

This 50g spool of ultra-thin 0.01in (0.3mm) lead-free solder wire features a high-performance Sn99 Ag0.3 Cu0.7 alloy with 2.5% rosin core flux. Designed for fine electronics work, it melts quickly at 217°C, ensuring clean, reliable joints on tiny components and MSD pads. Perfect for professionals demanding precision and efficiency in every solder.

## Description

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Features

- ULTRA-THIN- the solder wire diameter is just 0.01inch, designed to solder the tiny component, just enough to add enough solder on those small MSD pads
- LOW MELTING POINT- solder fast melting at 419F ( 217 Deg.C), suitable all soldering tools
- IMPROVED SOLDER- this 0.3mm solder wire contented alloy materials Sn99 Ag0.3 Cu0.7, provides excellent conductivity, eliminate soldering issue, reduce labor cost
- APPLICATION- good for fine solder work, soldering for electronics equipment
- LEAD FREE- Unlead solder, excellent performance for electric soldering project

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Enersystec Electric Co.,Ltd |
| Part number | EST-SW35-0.3LDF50 |
| Item Weight | 50 g |
| Product Dimensions | 2.8 x 2.8 x 5.5 cm; 50 g |
| Item model number | EST-SW35-0.3LDF50 |
| Size | 0.01in-0.11lb |
| Material | lead, Alloy |
| Item Package Quantity | 1 |
| Special Features | 1. Ultra-thin 0.01inch diameter, Rosin Core, Flux 2.5%, Flow well, Lead Free Solder Wire |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![0.3mm/50g - Image 1](https://m.media-amazon.com/images/I/61ra778d57S.jpg)
![0.3mm/50g - Image 2](https://m.media-amazon.com/images/I/61niP-66hHS.jpg)
![0.3mm/50g - Image 3](https://m.media-amazon.com/images/I/61eBv-cjyAS.jpg)
![0.3mm/50g - Image 4](https://m.media-amazon.com/images/I/61nMfz85dLS.jpg)
![0.3mm/50g - Image 5](https://m.media-amazon.com/images/I/61XESRMqbhS.jpg)

## Questions & Answers

**Q: Can it be used on brass**
A: It is ok to use this solder for the brass,
But this solder is very fine, the diameter is 0.01 in / 0.3mm solder wire,
If you soldering a big brass, you should use larger solder wire, such as 1.0mm or 1.5mm solder wire

**Q: does this can be used to solder aluminium wires ?**
A: Yes, this fine electrical solder wire can be used to soldering the aluminum wires,
The solder wire diameter is 0.01inch / 0.3mm, very thin solder wire,
It is mainly for electronics soldering for components or wires

**Q: Can this be coiled around toothpicks without straightening back?**
A: Yes. It will probably relax some.

**Q: Can I use this with soldering iron to repair keychain?**
A: This is super thin that is ideal for working of soldering on motherboards.  May need to find a larger size solder wire.

## Frequently Bought Together

- Ultra-Thin Solder Wire 0.01in 0.3mm Rosin Core Flux 2.5, Lead Free Solder Wire Sn99 Ag0.3 Cu0.7 Flow 50g Electronics Soldering Electric Solder
- Lesnow solder wick braid 10ft Length Desoldering Wick Braid Remover Tool Solder Sucker 1 piece No-Clean soldering Wick Wire Roll and Disassemble Electrical Components
- Liquid Solder Flux Dropper (30 ml/1 Oz.) I RMA Liquid Solder Flux I Soldering Flux I Electrical Solder I No Clean Liquid Flux I Rosin Flux I Soldering Flux for Electronics I Lead Free Liquid Solder I

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**Shop now:** [https://www.desertcart.hu/products/375545736-0-3mm-50g](https://www.desertcart.hu/products/375545736-0-3mm-50g)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-13*