LINEAR TECHNOLOGY MATERIALS DECLARATION

LTC3874IUFD#PBF (Engineering Calculation) QFN 4mm X 5mm Exp. Pad  
(printed on: 2017-03-16 18:26:11) TOTAL MASS (g): 0.049728
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 0.002097 1000000 42169.2226562
Die Coat Dow Corning Silicone 69430-27-9 0.000000 0 0
Lead Frame Cu Copper (Cu) 7440-50-8 0.019997 975000 402125.9375
Iron (Fe) 7439-89-6 0.000492 24000 9893.78125
Phosphorus (P) 7723-14-0 0.000006 300 120.65587616
Zinc (Zn) 7440-66-6 0.000014 700 281.53036499
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: 0.020509 1000000 412421.875
Plating PMI Exter. Plating Pb 7439-92-1 0.000000 0 0
Exter. Plating Sn 7440-31-5 0.000227 1000000 4568.99658203
External Plating Total: 0.000227 1000000 4568.99658203
Inter. Plating Ni 7440-02-0 0.000000 0 0
Inter. Plating Ag 7440-22-4 0.000429 1000000 8626.89550781
Internal Plating Total: 0.000429 1000000 8626.89550781
Die Attach ELECTRICALLY CONDUCTIVE ADHESIVE Silver (Ag) 7440-22-4 0.000933 750000 18761.9863281
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)   0.000311 250000 6253.99609375
Die Attach Total: 0.001244 1000000 25015.984375
Encapsulation MULTI-AROMATIC RESIN Br/Sb FREE Resin (EP)   0.003244 130000 65234.609375
Bromine (Br) 40039-93-8 0.000000 0 0
Silica (SiO2) 60676-86-0 0.021457 860000 431485.46875
Antimony
Trioxide (Sb2O3)
1309-64-4 0.000000 0 0
Metal Hydroxide   0.000000 0 0
Carbon Black (C) 1333-86-4 0.000250 10000 5027.328125
Encapsulation Total: 0.024951 1000000 501747.4375
Bond Wire
Estimated
AFW/TANAKA/ Kn Gold (Au) 7440-57-5 0.000271 1000000 5449.62353516
  TOTAL MASS (g): 0.049728