Solderable Finishes
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SOLDERABLE
FINISHES
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| SOLDERABLE FINISH | TYPICAL USE | THICKNESS |
| HOT
AIR SOLDER LEVEL (63/37) LEAD FREE H.A.S.L (SN100C) IMMERSION SILVER ENTEK HT PLUS |
GENERAL
PURPOSE GENERAL PURPOSE FLAT PAD FOR FINE PITCH DEVICES FLAT PAD FOR FINE PITCH DEVICES |
4
- 40 um 4-40 um 1-1.2um (To follow) |
| IMMERSION TIN | FLAT PAD FOR FINE PITCH DEVICES AND BACKPLANES | 1 - 1.2 um |
| GOLD OVER NICKEL | FLAT PAD FOR FINE PITCH DEVICES | 0.08 - 0.12 um GOLD OVER 3-5 NICKEL |
| SOFT / PURE GOLD | WIRE BONDING | 0.1 - 1um OVER 3.75 - 6.75 NICKEL |
| HARD GOLD | EDGE
CONNECTORS KEY PADS |
2.5 um |
| CARBON INK | KEY PADS | 10 - 25 um |
Wrekin circuits offer a wide range of finishes to suit all applications.