AMTECH 4300/LF4300-TF

AMTECH LF-4300-TF

Tacky flux for professionals

  • No clean tacky flux
  • Leaded/lead-free soldering
  • Excellent wetting properties
AMTECH LF-4300-TF

Is formulated for syringe, stencil printing, and rework applications on all PCB surface finishes. AMTECH LF-4300-TF may be used for BGA sphere attachment and reballing. AMTECH 4300/LF-4300-TF may be used for BGA sphere attachment and reballing. This tacky flux is also designed to work on all flip chip bumping and chip scale packaging sites.

COMPATIBLE ALLOYS
ALLOY TEMPERATURE °C TEMPERATURE °F
63Sn/37Pb 183 361
62Sn/36Pb/2Ag 179 354
42Sn/58Bi 138 280
96.5Sn/3.0Ag/0.5Cu 217-220 423-428
99.0Sn/0.3Ag/0.7Cu 217-221 423-430
96.5Sn/3.5Ag 221 430
95Sn/5Sb 235-240 455-464
95Sn/5Ag 221-245 430-473

TEST RESULTS
TEST J-STD-004 OR OTHER REQUIREMENTS (AS STATED) TEST REQUIREMENT RESULT
Copper Mirror IPC-TM-650: 2.3.32 L: No breakthrough
Corrosion IPC-TM-650: 2.6.15 L: No corrosion
Quantitative Halides IPC-TM-650: 2.3.28.1 L: <0.5%
Electrochemical Migration IPC-TM-650: 2.6.14.1 L: <1 decade drop (no clean)
Surface Insulation Resistance
85°C, 85% RH @ 168 Hours
IPC-TM-650: 2.6.3.3 L: 100 M (no clean)
Viscosity
Malcom @ 10 RPM/25°C (x10³ mPa/s)
IPC-TM-650: 2.4.34.4 20–48
Visual IPC-TM-650: 3.4.2.5 Clear and free from precipitation
Conflict Minerals Compliance Electronic Industry Citizenship Coalition (EICC) Compliant
REACH Compliance Articles 33 and 67 of regulation (EC) No 1907/2006 Contains no substance >0.1% w/w that is listed as a SVHC or restricted for use in solder materials

Benefits

  • REL0 flux classification
  • Wide process window
  • Excellent wetting compatibility on most board finishes
  • Low voiding, including LGA
  • REACH compliant
  • Optimized for lead-free and standard allow systems