Tamura Lead-Free Solder Paste

TAMURA

TLF-204-93IVT(SH)


Tamura Lead-Free Solder Paste
Tamura Lead-Free Solder Paste
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  • Tamura Lead-Free Solder Paste
  • Tamura Lead-Free Solder Paste

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Product Overview

Product Features

TAMURA (Tamura) TLF-204-93IVT Solder Paste Features:

Uses lead-free (tin/silver/copper) solder alloy;

Viscosity changes little over time during continuous printing, ensuring stable printing results;

Effectively reduces voids;

Effectively reduces solder ball formation between components;

Effectively improves preheat flowability;

As a lead-free solder paste, it shows good reflow performance even under high-temperature reflow profiles;

Exhibits good wettability on fine pads with 0.5mm pitch, such as BGA.

Product Specifications

Item Characteristics (TLF-204-93IVT(SH)) Test Method
Alloy Composition Sn96.5/Ag3.0/Cu0.5 JIS Z 3282(1999)
Melting Point (℃) 216~220℃ Measured by DSC
Solder Particle Size (μm) 20~38 μm Measured by Laser Light Refraction Method
Tin Powder Shape Spherical JIS Z 3284(1994)
Flux Content 11.8% JIS Z 3284(1994)
Chlorine Content 0.0% JIS Z 3197(1999)
Viscosity 210Pa.s JIS Z 3284(1994)
Aqueous Solution Resistance Test 5×10⁴ Ω·cm or above JIS Z 3197(1999)
Insulation Resistance Test 1×10⁹ Ω or above JIS Z 3284(1994)
Spreadability Test 0.20mm or less Print solder paste on a ceramic substrate, heat at 15
0℃ for 60 seconds, measure the spread width before and after solder heating.
Measure the spread width to determine the spread amount.
STD-092b Note
Solder Ball Test Almost no solder balls occur Print solder paste on a ceramic substrate, melt and heat,
then observe with a 50x microscope.
STD-009e Note
Solder Diffusion Test 76% or more JIS Z 3197(1986)
Copper Plate Corrosion Test No corrosion observed JIS Z 3197(1986)
Adhesion Test of Solder Paste Residue after Reflow Pass JIS Z 3284(1994)

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