LINEAR TECHNOLOGY MATERIALS DECLARATION

LT1942EUF#TRPBF (Engineering Calculation) QFN 4mm X 4mm Exp. Pad  
(printed on: 2017-03-17 15:30:01) TOTAL MASS (g): 0.04186
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 0.002669 1000000 63760.90625
Die Coat Dow Corning Silicone 69430-27-9 0.000000 0 0
Lead Frame Cu Copper (Cu) 7440-50-8 0.015961 975000 381299.28125
Iron (Fe) 7439-89-6 0.000393 24000 9388.54785156
Phosphorus (P) 7723-14-0 0.000005 300 119.447174072
Zinc (Zn) 7440-66-6 0.000011 700 262.783782959
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: 0.016370 1000000 391070.0625
Plating PMI Exter. Plating Pb 7439-92-1 0.000000 0 0
Exter. Plating Sn 7440-31-5 0.000773 1000000 18454.7597656
External Plating Total: 0.000773 1000000 18454.7597656
Inter. Plating Ni 7440-02-0 0.000000 0 0
Inter. Plating Ag 7440-22-4 0.000362 1000000 8647.97558594
Internal Plating Total: 0.000362 1000000 8647.97558594
Die Attach ELECTRICALLY CONDUCTIVE ADHESIVE Silver (Ag) 7440-22-4 0.001103 750000 26350.046875
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)   0.000368 250000 8791.3125
Die Attach Total: 0.001471 1000000 35141.359375
Encapsulation MULTI-AROMATIC RESIN Br/Sb FREE Resin (EP)   0.002616 130000 62494.7617188
Bromine (Br) 40039-93-8 0.000000 0 0
Silica (SiO2) 60676-86-0 0.017303 860000 413358.90625
Antimony
Trioxide (Sb2O3)
1309-64-4 0.000000 0 0
Metal Hydroxide   0.000000 0 0
Carbon Black (C) 1333-86-4 0.000201 10000 4801.77685547
Encapsulation Total: 0.020120 1000000 480655.46875
Bond Wire
Estimated
AFW/TANAKA/ Kn Gold (Au) 7440-57-5 0.000095 1000000 2269.49633789
  TOTAL MASS (g): 0.041860