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Innovative Alloys

Sn100C Alloy: Silver-Free Alternative by Nihon Superior

Superior performance without silver for cost-effective lead-free applications

Premium Sn100C alloys with nickel and germanium for electronic soldering high reliability. Ideal for premium automotive applications, electrical and RoHS compliance. Superior performance compared to SAC305.

Why Choose Sn100C

Advantages of Nihon Superior's silver-free alloy

Silver-Free
No silver = 20-30% lower cost compared to SAC 305. Economic solution for high-volume production without quality compromises.
Superior Wettability
Germanium addition improves wettability and reduces soldering defects. Excellent spreading on various metallic surfaces.
Mechanical Performance
Nickel (0.05%) enhances mechanical strength. Performance comparable to SAC 305 but without silver cost.
Application Versatility
Ideal for consumer electronics, LED, standard industrial. Excellent for cost-sensitive mass production.
Sn100C soldering wires with nickel and germanium for high reliability electronic soldering
Sn100C lead-free premium solder pastes for SMD and aerospace applications
Industrial Sn100C applications: aerospace, medical, premium automotive, electronics

Sn100C Technical Specifications

Characteristics of Sn/Cu0.7/Ni0.05 + Ge alloy

PropertyValueUnitNotes
CompositionSn/Cu0.7/Ni0.05/Ge%Nihon Superior patent
Melting Point227°CSimilar to standard Sn-Cu
Tensile Strength40-45MPaSuperior to normal Sn-Cu
Elongation30-35%Good ductility
WettabilityExcellent-Thanks to Germanium

Sn100C Applications

Ideal sectors for silver-free alloy

Consumer Electronics

Smartphones, tablets, PCs, peripherals. Mass production where cost is critical but lead-free quality is needed.

LED Lighting

LED modules, drivers, LED strips. Excellent wettability for soldering on aluminum and copper surfaces.

Appliances

Washing machines, refrigerators, air conditioners. Economic alternative to SAC for white goods.

Standard Industrial

Controls, automation, instrumentation. Applications where SAC is over-specified and base Sn-Cu insufficient.

Sn100C vs SAC 305 vs Sn-Cu: Comparison

Positioning of Sn100C alloy versus alternatives

CharacteristicSn100CSAC 305Standard Sn-Cu
Silver Content0% (none)3%Significant savings
Relative CostMediumHigh-20-30% vs SAC
WettabilityExcellent (Ge)GoodSuperior thanks to Ge
Mechanical Strength40-45 MPa38-42 MPaComparable to SAC
Melting Point227°C217°C+10°C vs SAC
Ideal ApplicationsConsumer, LEDAutomotive, CriticalQuality/cost compromise

Recommendation: Sn100C when SAC is too expensive but standard Sn-Cu doesn't offer sufficient quality. Excellent compromise for consumer electronics and LED. For critical automotive prefer SAC.

Frequently Asked Questions about Sn100C

Everything you need to know about Nihon Superior's innovative alloy

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