
24-9574-1401 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $66.00 | Top Pick! Condition is New, Kester Lead-Free Silver-Free Solder 24-9574-1401 K100 #48-Rosin .020 3%, FREE SHIPPING | 99.7% |
![]() | $100.86 | Condition is New, Kester 24-9574-1401 Solder Wire, Rosin Core, Lead Free, K100LD, 3.3%, 0.020', FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $60.50 | Condition is New – Open box, Kester Lead-Free Silver-Free Solder 24-9574-1402 K100 #48-Rosin .031 3%, FREE SHIPPING | 99.7% |

Introducing the Kester 24-9574-1401 solder wire, a high-performance rosin core lead ideal for various soldering applications. This solder wire, with its Sn99.3 composition, boasts an impressive silver content of 99.3%, making it a popular choice for those seeking superior conductivity and reliable electrical connections.
The rosin core of this solder wire is specially formulated to provide excellent wetting and reduce the risk of cold solder joints. Rosin, a naturally occurring organic substance, aids in the formation of a strong, reliable bond between the solder and the base metals. The rosin core also helps to reduce oxidation during the soldering process, ensuring that the joints remain clean and free from contaminants.
The Kester 24-9574-1401 solder wire comes in a convenient spool packaging, which allows for easy unwinding and ensures minimal wire usage during the soldering process. The spool is designed with a thin diameter and a high wire fill density, ensuring that the wire is easily accessible and reduces the risk of tangling or knots.
This solder wire is suitable for use in a wide range of soldering applications, including printed circuit board assembly, lead soldering, and wire-to-board soldering. Its high silver content and excellent wetting properties make it particularly well-suited for applications where high conductivity and reliable electrical connections are essential.
The Kester 24-9574-1401 solder wire is RoHS compliant, meaning it contains no lead or other heavy metals commonly restricted by the European Union's Restriction of Hazardous Substances Directive. This makes it an environmentally-friendly option for those seeking to minimize their impact on the environment.
In summary, the Kester 24-9574-1401 solder wire is a high-quality, high-performance rosin core lead with an impressive 99.3% silver content. Its rosin core ensures excellent wetting and reduces the risk of cold solder joints, while its convenient spool packaging and high wire fill density make it easy to use. Suitable for a wide range of soldering applications and RoHS compliant, this solder wire is an excellent choice for those seeking reliable electrical connections and high conductivity.
Pros and Cons of Buying Kester 24-9574-1401 Solder Wire (SN99.3, Rosin Core, Lead)
1. Pros:a. High-quality solder: Kester is a well-known brand in the electronics industry, and their solder wires are known for their consistency and reliability.
b. Rosin core: Rosin core solder is suitable for a wide range of applications, including through-hole and surface mount technology (SMT). It offers good wetting abilities and creates a strong mechanical joint.
c. Lead-based: Lead-based solder is widely used due to its excellent flow characteristics, which makes it ideal for soldering thicker components and larger joints.
d. Sn99.3 composition: The solder contains 99.3% tin, which is beneficial for reducing the risk of tin whiskers and hot cracking.
e. Economical: Compared to other high-performance solders, this solder wire is relatively affordable, making it a cost-effective option for many applications.
2. Cons:a. Lead content: Lead is a toxic substance and poses potential health risks during the soldering process. Proper safety measures, such as using a fume extractor, should be taken.
b. Less environmentally friendly: Lead-based solders are not considered environmentally friendly due to the lead content.
c. Higher melting point: Lead-based solders have a higher melting point than lead-free solders, which may require more heat to melt and potentially damage components or PCBs.
d. Limited compatibility with lead-free components: Lead-based solders are not suitable for use with lead-free components, which are becoming increasingly common in modern electronics.
Conclusion:The Kester 24-9574-1401 solder wire (SN99.3, Rosin Core, Lead) offers several advantages, including its high-quality, consistent performance, and cost-effectiveness. However, it also comes with some disadvantages, such as the potential health risks associated with lead content and its limited compatibility with lead-free components.
Recommendation:If you are working on projects that require lead-based solders due to the components or applications, the Kester 24-9574-1401 solder wire is a good option. However, if you are working on projects that involve lead-free components or if you're concerned about the health risks and environmental impact of lead-based solders, you may want to consider alternative solders, such as lead-free solders with a lower melting point or different alloys. Ultimately, the choice of solder wire depends on the specific requirements of your project.
Details:
Photos are greatly appreciated. Flux-cored solder wire, rosin core, lead-free, SN99.3 k100ld, 3.3%, 0.020. Please consider troubleshooting prior to making a return request.
specifications testmultimeters:
- brand: Kester
- mpn: 24-9574-1401
- part type: Solder
- country/region of manufacture: United States
- upc: 700736594636
returns testmultimeters:
- paid by: seller
- method: money back
- time: 30 days
- policy: returns accepted
payments testmultimeters:
- credit card: visa
- wallet: apple-pay
- other
shipping testmultimeters:
- class: economy
- service: economy
- type: fixed
- transit: 3-7 days
offer testmultimeters:
- options: ship-to-home
- sold #: 20
- availability: in stock
- started: august 19, 2025
- prices: $60.50–$100.86
- item condition:
- New
- New – Open box
seller testmultimeters:
- rating: 99.1%
- # reviews: 11422
- city: worcester, pennsylvania
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
Related To:
- 24-9574-7615: SOLDER, Kester
- 24-6040-0027-4PK-2: SOLDER, Kester
- 24-6040-0027-2PK-2: SOLDER, Kester
- 24-9574-7613: SOLDER, Kester
- 24-9574-6417: WATER SOLDER, Kester
- 24-9574-6411: WATER SOLDER, Kester
- 24-7068-1400: SOLDER, Kester
- 24-7050-9703: SOLDER, Kester
- 24-7068-6409: WATER SOLDER, Kester
- 2470686411: WATER SOLDER, Kester
- 24-7068-1404: SOLDER, Kester

