Final Finishes & Rate Characteristics Chart

 


          Effect of
Final
Finish               
Shelf Life  
Deposit Structure Uniform Planar Solder Hand HUM Temp Switch Cont ACT
HASL 12 mths Dipped Low High Low Low Low High
LF/HASL 12 mths Dipped Low High Low Low Low High
Hard Gold   Electroplated High Low Low Low Low Low
Immersion Au   Immersion High  High Med Low Low Med
Immersion Ag 6 mths Immersion High Med High High High Med
Immersion Tin
3 mths Immersion High Med High High High High
OSP 3 mths Coated High Med High High High High
ENEPIG   Immersion High High Med Low Low Med