LINEAR TECHNOLOGY MATERIALS DECLARATION

LTC3557EUF-1#PBF (Engineering Calculation) QFN 4mm X 4mm Exp. Pad  
(printed on: 2017-03-16 21:26:53) TOTAL MASS (g): 0.043208
COMPONENT
MATERIAL
VENDOR/
INDUSTRY NAMES
CONSTITUENT
NAME
CAS
   NUMBER   
CONSTITUENT
MASS (g)
CONSTITUENT
(PPM) OF MATERIAL
CONSTITUENT
(PPM) OF TOTAL PKG.
Active Device Linear Technology Silicon (Si) 7440-21-3 0.001762 1000000 40779.953125
Die Coat Dow Corning Silicone 69430-27-9 0.000000 0 0
Lead Frame Cu Copper (Cu) 7440-50-8 0.019198 975000 444320.9375
Iron (Fe) 7439-89-6 0.000473 24000 10947.171875
Phosphorus (P) 7723-14-0 0.000006 300 138.864761353
Zinc (Zn) 7440-66-6 0.000014 700 324.01776123
Nickel (Ni) 7440-02-0 0.000000 0 0
Silicon (Si) 7440-21-3 0.000000 0 0
Magnesium (Mg) 7439-95-4 0.000000 0 0
Tin (Sn) 7440-31-5 0.000000 0 0
Lead Frame Total: 0.019691 1000000 455730.96875
Plating PMI Exter. Plating Pb 7439-92-1 0.000000 0 0
Exter. Plating Sn 7440-31-5 0.000773 1000000 17879.0039062
External Plating Total: 0.000773 1000000 17879.0039062
Inter. Plating Ni 7440-02-0 0.000000 0 0
Inter. Plating Ag 7440-22-4 0.000419 1000000 9697.38867188
Internal Plating Total: 0.000419 1000000 9697.38867188
Die Attach ELECTRICALLY CONDUCTIVE ADHESIVE Silver (Ag) 7440-22-4 0.000827 750000 19140.1933594
Tin (Sn) 7440-31-5 0.000000 0 0
Lead (Pb) 7439-92-1 0.000000 0 0
Silica (SiO2) 60676-86-0 0.000000 0 0
Indium (In) 7440-74-6 0.000000 0 0
Metal Oxide   0.000000 0 0
Antimony (Sb) 7440-36-0 0.000000 0 0
Resin (EP)   0.000276 250000 6387.77880859
Die Attach Total: 0.001103 1000000 25527.9707031
Encapsulation MULTI-AROMATIC RESIN Br/Sb FREE Resin (EP)   0.002469 130000 57142.8476562
Bromine (Br) 40039-93-8 0.000000 0 0
Silica (SiO2) 60676-86-0 0.016331 860000 377966.71875
Antimony
Trioxide (Sb2O3)
1309-64-4 0.000000 0 0
Metal Hydroxide   0.000000 0 0
Carbon Black (C) 1333-86-4 0.000190 10000 4397.38378906
Encapsulation Total: 0.018990 1000000 439506.96875
Bond Wire
Estimated
AFW/TANAKA/ Kn Gold (Au) 7440-57-5 0.000470 1000000 10877.7392578
  TOTAL MASS (g): 0.043208