5 Best Solder for Electronics Repairing

Solder for electronics used to make a joint between PCB and electronic component leads.if you are doing a soldering job feels that all electronics solder are alike but in actual quality and reliability of solder joint relates with solder selection.

In this article, we will cover all questions regarding the selection of solder for electronics needs.To choose the best one electronic solder you need to look at facts how it differs from others and need to learn the best method to use.

In this article we are going to list down best-rated solder electronics available for your soldering jobs.We considered below factors while selecting the electronics solder.

  • Best Size Solder:- For a normal soldering work the recommended diameter of so electronics solder is 0.711-mm to 1.63-mm.The diameter you choose depends the size and type of martial you are going to use.Use the larger diameter of big jobs and medium size for standard jobs.
  • Type of flux core:- There are basically two core which are Rosin and acid core.Flux core solder wire means that there is flux inside the core of the solder wire.For solder for electronics Rosin is used.
  • Length of the Wire spool:- in soldering quality point of view there is no such dependency but electronics solder having the bigger spool save the cost.

Everything We Recommend

Our Pick 

Upgrade Pick 

Budget Pick 

71RHtptgOsL. AC SL1500
71vPhY4AaWL. AC SL1500

Rosin core flux 1.8% flux Content, 0.02 inches Dia

Cheap and Economic Pricing,1.92 ounces

High electrical conductivity Rosin core flux

List of 5 Best solder for Electronics

To make things easier based of investigation and comparison here please find the Best solder for Electronics for repairing purpose as per below-

1. Wyctin’s 60/40 Tin Lead Rosin Core Solder Wire

WYCTIN 60-40 Tin Lead Rosin Core Solder Wire

Wyctin’s 60/40 Tin Lead Rosin Core Solder Wire fine Rosin Core Solder with Alloy Tin 60% Lead 40% is the best choice and helps users to get solid long life joint formation. This solder is working awesome on all types of repairing.

Easy to melt at a low 361 Fahrenheit, come in 1.8% flux content it is a Rosin Core Flux. Wyctin’s 60/40 Tin Lead Rosin Core Solder Wire is a Fine Rosin Core electronics solder with easy to use for shiny, reliable joint for solder for circuit boards.

it packed in 1 x 0.6mm 50gram 60-40 Solder Wire Spool.Due to good flow help Melts evenly and clean, less smoke, solder joints reliable and smoothly.


  • Highly conductive
  • 60% lead, 40%
  • 0.02 inches diameter
  • 50-gram spool


  • Too Thin for broad for large jobs

2. Alpha Fry AT-31604 60-40 Rosin Core Solder

81q4xTieexL. AC SL1500  1

Used in Fine electrical soldering that Made in Mexico a American Brand quality product having 0.062 Diameter. 4-Ounce n weight.Alpha Fry AT-31604 60-40 Rosin Core Solder 370 degrees Fahrenheit that leads to a perfect solder for electronics.

This spool of American Terminal AT-31604 Solder contains 4 ounces of 1/16″ solder with a leaded rosin flux core. The 60% tin, 40% lead combination is perfect for jobs like fine electrical soldering which require lower melt temperatures. AlphaFry is the company that produces the product, Alpha Metals is the brand on the roll of solder.


  • 60/40 blend
  • Made in Mexico
  • 0.062 diameter


3. Alpha Metals AM 31605 Lead Solder

711j1lCPWrL. AC SL1162

Alpha Metals am 31605 Lead Solder 60% tin and 40% lead. Leaded rosin flux core. 3 oz 0. 032″ Diameter spool 60% TiN and 40% lead leaded rosin flux core carded.

Alpha Metals am 31605 Lead Solder 370-degree melting point makes it a perfect and solid joint with great shining.


  • 60/40 blend
  • 4-ounce spool
  • High conductivity


4. KESTER SOLDER 24-6040-0027 Wire Solder, 0.031″Dia

817NHuNuUiL. AC SL1371

KESTER SOLDER 24-6040-0027 Wire Solder is a 60/40 Solder Rosin best wire for soldering jobs. best Activity Core Flux Designed to get instant wetting result with perfect quality and solid joints in solder electronics.

Kester is a well known and popular brand that is used in high precision soldering jobs. KESTER SOLDER 24-6040-0027 Wire Solder 0.031 inches diameter steel-based solder with very high conductivity solder electronics.


  • Rosin Core Flux
  • 63% tin, 37% lead
  • 0.031-inch diameter
  • Shiny and crack-free


  • Slightly costly

5. Cardas Soldering Wire Quad Eutectic Silver

710xwgprdRL. AC SL1500

George Cardas created this high quality ultra pure, Quad Eutectic solder for the perfect joining of connector to conductor. Quad Eutectic solder contains a proprietary blend of silver, copper, tin and lead. Outside diameter: 0.032″ (0.8mm) solder electronics.

Cardas Soldering Wire Quad Eutectic solder 1/4 lbs (110 gram) roll contains a proprietary blend of silver, copper, tin & lead solder electronics widely used.


  • Highly Conductive
  • 0.032 solder diameter
  • 1/4-pound roll (92 feet)Line 2


  • Slightly costly.

Buying Guide: How To Choose Best solder for Electronics for Repairing

In the market place there are a lot of types and brands are available in the marketplace. choosing which solder to purchase can be quite tactful based on your requirements While most of solder looks a lot like wire. Solder is not used only is soldering the electronics component is also used in solder is also used for plumbing as well.

The main solder types available

Actually solder is available in various form like pellets, bars, paste and solder wire wire and based on composition mainly categorized in two types.

  • Lead-based solder
  • Lead-free solder

The major difference in both are their melting point and the presence of lead and due to health concerns people like to use lead free solder in day to day jobs.Solder that is 60% tin and 40% lead is the most common and also lower melting point between 360 and 370 degrees Fahrenheit.

How to Choose best Solder for Electronics

As already stated that the all solder wire look like same as wire but if we go in deep will found that the their types and compositions are different and decides the best selection factor.The most common type of lead solder made of tin and lead

  • Composition– Composition of a Solder made of either lead-based or lead-free Solder contacts. Due to low melting point and essay to use 60% tin and 40% lead is most popular but due to health hazards requirement lead free recommended for commercial use.
  • The diameter of the solder wire :- Solder wire comes in various diameters to solder different electronics applications prepared usage. Larger Solder joints require higher diameter and for small joints accurate solder smaller diameter is recommended. Common solder diameters include 0.062 inch, 0.032 inch diameter solder for general purposes.
  • Spool Size:- if you have few projects or less soldering jobs you will be recommended to purchase smaller size spools and for big jobs to save money preferred for bigger one. in common spools come in terms of 50 grams or 100 grams of weight.
  • Flux :-Flux is the central part of wire and mainly used for Oxidation removal for solid joint formation. Rosin is the most popular type flux used in normal practice.An acid core core is used in plumbing joint jobs.Line 6

Final Thoughts

The selection of electronics solder as per project requirement is very crucial and if it is not as per mark may degrade the joint quality. Solder electronics you have to consider the selection parameters.

Electronics Engineer,Blogger and a Young Entrepreneur by passion.With more than 18 years of broad experience in New Product Introduction and Process Improvement.

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