Sfäriskt Au80Sn20-lödpulver: Betrodda för starka och hållbara fogar

Name: Spherical Au80Sn20 Solder Powder: Strong and Durable Joints
Brand: Met3dp
SKU: met3dp3536
Price: 9 usd
Availability: InStock

Soldering is the backbone of modern electronics and precision assembly, and among the most sought-after materials for high-performance soldering is Spherical Au80Sn20 Solder Powder. This solder powder, composed of 80% gold (Au) and 20% tin (Sn), is renowned for its high melting point, excellent thermal conductivity, and outstanding mechanical strength. Its spherical shape ensures superior flowability, making it the go-to choice for precision applications such as semiconductors, aerospace systems, and medical devices. But why is Au80Sn20 such a big deal in the world of soldering? Simply put, it’s all about reliability and performance. The gold-tin (Au-Sn) alloy offers exceptional resistance to corrosion, strong bonds, and low voiding rates, making it indispensable in high-reliability applications. Whether you're designing microelectronics or assembling components for satellites, Spherical Au80Sn20 Solder Powder ensures that your joints are as strong and reliable as the components they hold together. In this guide, we’ll dive deep into the world of Spherical Au80Sn20 Solder Powder. From its composition and properties to its applications, specifications, and pricing, we’ll cover everything you need to know to make an informed decision. Let’s get started!

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Overview of Spherical Au80Sn20 Solder Powder

Soldering is the backbone of modern electronics and precision assembly, and among the most sought-after materials for high-performance soldering is Spherical Au80Sn20 Solder Powder. This solder powder, composed of 80% gold (Au) och 20% tin (Sn), is renowned for its hög smältpunkt, excellent thermal conductivity, och outstanding mechanical strength. Its spherical shape ensures överlägsen flytbarhet, making it the go-to choice for precision applications such as halvledare, aerospace systems, och medicintekniska produkter.

But why is Au80Sn20 such a big deal in the world of soldering? Simply put, it’s all about reliability and performance. The gold-tin (Au-Sn) alloy offers exceptional resistance to corrosion, strong bonds, och low voiding rates, making it indispensable in high-reliability applications. Whether you’re designing microelectronics or assembling components for satellites, Spherical Au80Sn20 Solder Powder ensures that your joints are as strong and reliable as the components they hold together.

I den här guiden dyker vi djupt in i världen av Spherical Au80Sn20 Solder Powder. Från dess sammansättning och fastigheter till sin tillämpningar, Specifikationer, och prissättning, we’ll cover everything you need to know to make an informed decision. Let’s get started!

Composition and Characteristics of Spherical Au80Sn20 Solder Powder

What Makes Up Spherical Au80Sn20 Solder Powder?

Den Au80Sn20 solder alloy is a eutectic composition, meaning it has a single melting point rather than a melting range. This feature is critical for precision soldering, as it allows for clean, sharp melting transitions without partial liquefaction. The spherical morphology of the powder enhances its flytbarhet, making it ideal for automated processes like stencil printing och selective soldering.

Element	Typisk sammansättning (%)	Function/Role
Guld (Au)	80	Provides excellent conductivity, corrosion resistance, and strength.
Tenn (Sn)	20	Reduces melting temperature and enhances wetting properties.

Key Characteristics of Spherical Au80Sn20 Solder Powder

The combination of gold and tin, along with the spherical particle shape, gives this solder powder its exceptional properties:

Hög smältpunkt: The eutectic Au80Sn20 alloy melts precisely at 280°C, making it suitable for high-temperature environments.
Motståndskraft mot korrosion: Gold’s natural resistance to oxidation ensures long-lasting, reliable joints.
Excellent Thermal and Electrical Conductivity: Perfect for applications like semiconductors and RF devices where heat dissipation and signal integrity are critical.
Low Voiding: Its composition and flowability minimize void formation, ensuring strong, uniform joints.
Sfärisk morfologi: Enhances flow during application, reducing waste and improving precision.
Mekanisk styrka: Forms robust joints that can withstand mechanical stress, vibration, and thermal cycling.

Properties of Spherical Au80Sn20 Solder Powder

Let’s explore the physical, thermal, and mechanical properties that make this solder powder unique.

Fastighet	Värde/intervall	Betydelse
Smältpunkt	280°C	Eutectic melting point ensures sharp transitions and precision soldering.
Täthet	~14.7 g/cm³	High density contributes to durable and reliable joints.
Termisk konduktivitet	~57 W/m·K	Ideal for heat dissipation in high-power electronics.
Elektrisk resistivitet	~14 µΩ·cm	Ensures excellent electrical conductivity, crucial for electronic assemblies.
Hårdhet	~200 HV	Provides strong, wear-resistant joints for high-stress applications.
Motståndskraft mot korrosion	Utmärkt	Gold prevents oxidation, ensuring long-term stability in harsh conditions.
Partikelstorlek	15–45 µm	Optimized for stencil printing and automated dispensing systems.

Applications of Spherical Au80Sn20 Solder Powder

De unika egenskaperna hos Spherical Au80Sn20 Solder Powder make it a staple in industries where precision and reliability are non-negotiable.

Tillämpning	Industri	Detaljer
Halvledare	Elektronik	Used for die attachment and flip-chip bonding due to its high conductivity and low voiding rates.
Aerospace Systems	Flyg- och rymdindustrin	Bonds components exposed to extreme conditions like high temperatures and vibrations.
RF and Microwave Devices	Telekommunikation	Ensures signal integrity and thermal management in high-frequency applications.
Medical Electronics	Hälso- och sjukvård	Provides biocompatible and durable joints for implants and medical-grade devices.
Optoelectronics	Photonics	Bonds sensitive components like lasers and photodetectors with precision and minimal thermal stress.
Power Modules	Automotive and Energy	Ensures reliable thermal and electrical connections in power electronics.

Specifications, Sizes, and Standards for Spherical Au80Sn20 Solder Powder

To meet the diverse needs of different industries, Spherical Au80Sn20 Solder Powder is manufactured in a variety of sizes and grades. The powder also adheres to strict quality standards to ensure consistency and reliability.

Specifikation	Detaljer
Partikelstorleksintervall	15–25 µm (fine applications), 25–45 µm (general-purpose use).
Renhet	≥ 99.9% (high-purity gold and tin).
Överensstämmelse med standarder	MIL-STD-883, ISO 9453, and JEDEC for electronic-grade solders.
Förpackningsalternativ	Vacuum-sealed containers (500 g, 1 kg) to prevent contamination and oxidation.

Suppliers and Pricing for Spherical Au80Sn20 Solder Powder

Looking to source Spherical Au80Sn20 Solder Powder? Below is a list of suppliers, their available grades, and pricing details.

Leverantör	Betyg erbjuds	Price (USD/g)	Plats	Kontakt
Indium Corporation	High-Purity Eutectic Powders	$35–$50	USA/Global	www.indium.com
Heraeus Electronics	Premium AuSn Solder Powders	$40–$55	Tyskland	www.heraeus.com
Ametek Specialty Metals	Custom AuSn Solutions	$38–$52	USA	www.ametekmetals.com
Able Target Limited	High-Precision Spherical Powders	$30–$45	Kina	www.abletarget.com
Tanaka Precious Metals	Semiconductor-Grade AuSn Powders	$40–$60	Japan/Global	www.tanaka.co.jp

Advantages and Limitations of Spherical Au80Sn20 Solder Powder

Medan Spherical Au80Sn20 Solder Powder offers numerous benefits, it’s important to weigh its pros and cons.

Fördelar	Begränsningar
High melting point ensures thermal stability.	Expensive due to the high gold content.
Exceptional corrosion resistance for longevity.	Requires precise process control during soldering.
Superior thermal and electrical conductivity.	Begränsad tillgänglighet i vissa regioner.
Low voiding rates for reliable joints.	Not suitable for low-temperature applications.
Spherical shape ensures easy flow and application.	May require advanced equipment for precise handling.

FAQs About Spherical Au80Sn20 Solder Powder

Fråga	Svar
What is Spherical Au80Sn20 Solder Powder?	A gold-tin solder powder used for high-precision, high-reliability soldering.
What is its melting point?	280°C, due to its eutectic composition.
What industries use it most?	Electronics, aerospace, healthcare, and telecommunications.
What are its main benefits?	High conductivity, corrosion resistance, and precision bonding.
Varför är den sfäriska formen viktig?	Ensures smooth flowability and uniform application.
Is it environmentally friendly?	Yes, it is lead-free and RoHS compliant.
How does it compare to lead-based solders?	It offers better reliability and higher melting points but is more expensive.

Slutsats

Spherical Au80Sn20 Solder Powder is the gold standard in high-reliability soldering. With its eutectic composition, precision flowability, och exceptional properties, it’s no wonder this material is trusted across industries like halvledare, flyg- och rymdindustrin, och medicintekniska produkter. While it may come at a higher cost, its unmatched termisk stabilitet, ledningsförmåga, och korrosionsbeständighet make it worth every penny for applications where failure is not an option.

Whether you’re building the next generation of mikroelektronik or ensuring reliable performance in aerospace systems, Spherical Au80Sn20 Solder Powder offers the durability, precision, and performance you need. Explore suppliers, compare grades, and see how this advanced solder powder can elevate your projects to new heights!

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