Tamura Lead-free and Halogen-free Solder Paste

TAMURA

TLF-204-NH(20-36)


Tamura Lead-free and Halogen-free Solder Paste
Tamura Lead-free and Halogen-free Solder Paste
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  • Tamura Lead-free and Halogen-free Solder Paste
  • Tamura Lead-free and Halogen-free Solder Paste

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Product Overview

Product Features

TAMURA (Tamura) TLF-204-NH Solder Paste Features:

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

Uses halogen-free flux;

Viscosity changes little during continuous printing, ensuring stable printing quality;

Exhibits excellent solderability even when reflowed in air;

Has excellent solderability even at high peak temperatures;

NH (20-36) also offers excellent reliability even without cleaning flux residues.

Product Specifications

Item Features (TLF-204-NH(20-36)) 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) 20~36μm Measured by Laser Diffraction
Tin Powder Shape Spherical JIS Z 3284(1994)
Flux Content 11.8% JIS Z 3284(1994)
Chlorine Content 0.0% (in flux) JIS Z 3197(1999)
Viscosity 180Pa.s JIS Z 3284(1994)
Malcom PCU Viscometer 25℃
Aqueous Solution Resistance Test Greater than 1×10⁴ Ω·cm JIS Z 3197(1999)
Insulation Resistance Test Greater than 1×10⁹ Ω JIS Z 3284(1994)
Spread Test Less than 0.20 mm 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 under 50x microscope.
STD-009e Note
Solder Diffusion Test Over 70% JIS Z 3197(1986)
Copper Plate Corrosion Test No Corrosion JIS Z 3197(1986)
Adhesion Test of Solder Paste Residue after Reflow Pass JIS Z 3284(1994)

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