Description
Product Overview
The Elektrisola Magnet Wire is engineered from high‑purity copper that has been drawn to a precise 42 AWG gauge, delivering a diameter of 0.0026 inches. Each strand is coated with a solderable polyurethane enamel that provides a smooth, consistent surface for reliable solder joints while protecting the conductor from oxidation and mechanical wear. The red coloration of the enamel not only aids in quick visual identification during complex winding projects but also meets industry standards for color‑coded insulation. With a total length of 51,313 feet packed into a compact 1‑pound roll, the wire offers an exceptional balance of flexibility and durability, making it suitable for both prototype builds and high‑volume production runs.
The product dimensions of the packaged roll measure approximately 2.5 × 2.5 × 3 inches, allowing easy storage on standard shelves or in toolboxes. Despite its modest size, the roll contains a substantial amount of conductive material, ensuring that users have ample wire for multi‑turn coils, layered windings, or intricate winding patterns without the need for frequent re‑ordering. The model number 42SNSPR is referenced across Elektrisola’s technical documentation, providing a clear link to detailed specifications, test data, and recommended handling procedures. This traceability is especially valuable for engineers who must maintain strict compliance with industry standards such as IEC 60217 or MIL‑W‑24768, where documented material provenance is a key factor in product certification.
The enamel coating is rated for continuous operation at temperatures up to 155 °C (311 °F), providing a safety margin for applications that generate significant heat, such as power transformers, motor windings, and inductive heating elements. This high temperature rating, combined with the wire’s low resistance per foot, enables efficient energy transfer while minimizing losses. Additionally, the solderable polyurethane insulation simplifies the assembly process; technicians can apply standard soldering techniques without the need for aggressive fluxes or pre‑treatment, reducing production time and improving overall reliability of the finished product. The wire’s 0.0026 inch diameter also contributes to a tight winding radius, allowing designers to achieve higher coil densities in confined spaces.
Elektrisola’s manufacturing process adheres to ISO 9001 quality management principles, ensuring that each batch of magnet wire undergoes rigorous testing for conductivity, insulation integrity, and dimensional accuracy. The company’s in‑house laboratory conducts tensile strength assessments and thermal cycling tests to verify that the wire maintains its mechanical properties under real‑world stress conditions. This commitment to quality control translates into a consistent product that meets the expectations of demanding industrial customers, reducing the risk of premature failures in critical equipment. Moreover, the wire’s compliance with RoHS directives guarantees that it is free from hazardous substances, aligning with environmentally responsible manufacturing practices.
The 42 AWG size offers a versatile balance between current‑carrying capacity and flexibility, making it a popular choice for both low‑power signal coils and higher‑current power windings. Its 0.0026 inch diameter translates to a cross‑sectional area that supports currents up to approximately 0.5 A in continuous operation, while still allowing tight coil packing for compact designs. Engineers often select this gauge when designing custom inductors for power supplies, audio equipment, or electromagnetic actuators, where precise inductance values and low parasitic resistance are critical. The red enamel also serves as a visual cue in multi‑wire assemblies, helping technicians quickly differentiate this wire from other gauges or colors during assembly and maintenance.
Compliance with international standards is a key consideration for engineers selecting magnet wire, and the Elektrisola 42 AWG product meets several critical specifications. It conforms to IEC 60217 for magnet wire insulation, ensuring that the enamel’s dielectric strength and thermal endurance are suitable for a wide range of electrical designs. Additionally, the wire is listed under MIL‑W‑24768, a military specification that defines performance criteria for high‑temperature, high‑strength conductors used in aerospace and defense applications. The RoHS‑compliant formulation guarantees that the wire is free from lead, mercury, cadmium, and other restricted substances, facilitating easier certification for environmentally conscious projects. These certifications provide users with confidence that the wire will perform reliably in regulated markets and meet the stringent requirements of professional engineering standards.
Usage
In practical applications, the red‑enameled 42 AWG magnet wire excels in environments where space constraints demand tight winding radii and reliable thermal performance. For example, in electric motor stator windings, the wire’s high temperature rating allows it to withstand the heat generated during continuous operation without degradation of the insulation. Similarly, in transformer windings, the low resistance per foot contributes to higher efficiency, reducing core losses and improving overall power conversion performance. The solderable polyurethane coating also simplifies the assembly of printed circuit board (PCB) inductors, as the wire can be directly soldered to pads without the need for additional insulating layers, streamlining the manufacturing workflow.
Beyond power conversion, the wire is well suited for hobbyist and research projects that involve building custom inductors, solenoids, or electromagnetic relays. Its bright red enamel provides immediate visual feedback, allowing users to quickly verify correct connections and avoid cross‑talk between adjacent windings. The 1‑pound roll length of over 51,000 feet ensures that even large‑scale prototypes have sufficient material for multiple iterations, reducing downtime between tests. Additionally, the wire’s compatibility with standard soldering equipment means that laboratories can integrate it into existing workflows without investing in specialized tools, making it a cost‑effective solution for both educational settings and professional development labs.
The wire also performs reliably in harsh industrial settings where exposure to chemicals or moisture is a concern. The polyurethane enamel offers a degree of chemical resistance, protecting the copper conductor from corrosive agents commonly found in manufacturing plants or automotive environments. When used in automotive ignition coils or sensor windings, the wire’s ability to maintain its insulating properties at elevated temperatures ensures consistent performance over the vehicle’s service life. For marine applications, the combination of robust insulation and a high temperature rating helps prevent degradation caused by salt spray and fluctuating ambient conditions.
In installations where the wire may be exposed to vibration or mechanical stress, the polyurethane enamel provides a degree of abrasion resistance that helps maintain the integrity of the conductor. For example, in automotive ignition coil assemblies, the wire must endure repeated thermal cycles and engine vibrations; the robust coating prevents cracking and delamination, ensuring consistent inductance over the vehicle’s lifespan. The flexibility of the 42 AWG gauge also allows the wire to be routed through tight bends and confined spaces without kinking, which is essential for compact engine compartments and densely packed electronic modules.
For laboratory testing, the long length of the roll enables users to cut precise lengths for repeatable experiments, while the consistent diameter ensures that resistance measurements remain accurate across multiple samples. The red enamel also simplifies visual inspection under microscopes, allowing quick detection of any surface defects or coating inconsistencies before the wire is incorporated into a prototype. This level of control is valuable in research environments where data integrity and repeatability are paramount.
Why Choose Us
Choosing Elektrisola for your magnet wire needs means partnering with a brand that has over a decade of experience delivering high‑performance conductive materials to the industrial market. The company’s commitment to continuous improvement is reflected in its investment in state‑of‑the‑art extrusion and coating facilities, which enable precise control over wire gauge, enamel thickness, and color consistency. This level of process control translates into a product that meets exacting specifications, reducing variability and ensuring that each coil or winding behaves predictably in the final assembly. Customers benefit from the reliability of a supply chain that adheres to strict lead‑time commitments and provides transparent tracking of each batch from raw material to finished roll.
Elektrisola’s quality assurance program includes 100 % electrical testing of each spool to verify that resistance values fall within the specified tolerance range, guaranteeing that the wire will perform as expected in high‑precision applications such as medical imaging equipment or aerospace instrumentation. In addition, the company conducts accelerated aging tests that simulate years of service life, confirming that the enamel retains its insulating properties even after prolonged exposure to elevated temperatures. This rigorous testing regime provides engineers with confidence that the wire will not suffer premature breakdown, which can lead to costly downtime and safety concerns. The result is a magnet wire that delivers consistent performance, reducing the need for frequent replacements and supporting long‑term reliability.
Beyond the product itself, Elektrisola offers comprehensive technical support and after‑sales service to help customers optimize their designs. Their engineering team is available to answer questions regarding wire selection, winding techniques, and thermal management, ensuring that users can achieve the desired inductance and current handling capabilities without unnecessary trial‑and‑error. Moreover, the company provides detailed datasheets, application notes, and compatibility charts that simplify integration into existing systems. This combination of high‑quality material, proven performance, and responsive support makes Elektrisola magnet wire a trusted choice for professionals seeking dependable results in demanding electrical and electronic projects.
Elektrisola also provides flexible ordering options, allowing customers to purchase the wire in standard 1 lb rolls or request bulk quantities for large‑scale manufacturing projects. Their responsive logistics network ensures timely delivery, with most orders shipped within 2–3 business days, minimizing inventory holding costs for manufacturers. For customers requiring custom specifications, the company offers a dedicated engineering service to adjust insulation thickness, color, or gauge, delivering tailored solutions that align with unique design requirements. This adaptability, combined with competitive pricing, makes the product an economical choice without compromising on performance or reliability.
Key Features
- High‑purity copper core ensures excellent electrical conductivity for efficient power transfer.
- Red solderable polyurethane enamel provides quick visual identification and easy soldering without aggressive flux.
- Rated for continuous operation up to 155 °C, suitable for high‑temperature motor and transformer windings.
- Length of 51,313 ft in a compact 1 lb roll offers ample material for large projects and reduces re‑ordering frequency.
- Backed by Elektrisola’s ISO 9001 quality system and 100 % batch testing, delivering consistent performance and reliable after‑sales support.
FAQ
What is the temperature rating of this magnet wire?
The wire is rated for continuous operation up to 155 °C (311 °F), which makes it suitable for high‑heat environments such as motor windings, transformer coils, and inductive heating applications where thermal stability is essential.
Can this wire be used for soldering without additional flux?
Yes, the solderable polyurethane enamel is designed to allow direct soldering with standard soldering iron temperatures. The coating melts and bonds with the solder, eliminating the need for aggressive fluxes and simplifying the assembly process.
What are the typical applications for 42 AWG magnet wire?
Typical uses include winding small to medium sized motors, transformers, inductors, solenoids, RF coils, and custom electromagnetic devices. Its balance of flexibility and current‑carrying capacity makes it ideal for both low‑power signal coils and higher‑current power windings.
How does the red enamel coating benefit the user?
The bright red enamel provides immediate visual identification, helping technicians quickly differentiate this wire from other gauges or colors during assembly and maintenance. It also offers a durable, solderable surface that protects the copper conductor from oxidation.
What is the recommended storage condition for the magnet wire?
The magnet wire should be stored in a cool, dry environment away from direct sunlight and sources of moisture. Ideal storage temperature ranges between 15 °C and 25 °C (59 °F–77 °F) with relative humidity below 60 %. Keeping the roll in its original packaging or a sealed anti‑static bag helps protect the polyurethane enamel from dust and chemical exposure. Avoid stacking heavy objects on top of the roll, as excessive pressure could deform the wire or damage the coating.
Is this magnet wire suitable for high‑frequency applications?
The 42 AWG magnet wire’s low resistance and consistent enamel thickness make it suitable for many high‑frequency applications such as RF transformers and inductors. However, for extremely high frequencies above several megahertz, skin effect can increase effective resistance, so designers may need to consider using litz wire or a larger gauge. In typical audio‑frequency and power‑conversion scenarios up to a few hundred kilohertz, the wire performs reliably, providing stable inductance and minimal loss.
Reviews
There are no reviews yet.