Final Finishes and Rate Characteristics Chart

 

        Effect of
Final Finish Deposit Uniformity / Solderability Handling Humidity Temp Switch Contact
  Structure  Planarity         Actuations
HASL Dipped Low High Low Low Low High
LF/HASL Dipped Low High Low Low Low High
Hard Gold Electroplated High Low Low Low Low Low
Immersion Gold Immersion High  High Med Low Low Med
Immersion Silver Immersion High Med High High High Med
Immersion Tin Immersion High Med High High High High
OSP Coated High Med High High High High
ENEPIG Immersion High High Med Low Low Med