LINEAR TECHNOLOGY MATERIALS DECLARATION

LTC3877IUK#PBF (Engineering Calculation) QFN 7mm X 7mm Exp. Pad  
(printed on: 2017-03-17 02:14:42) TOTAL MASS (g): 0.128354
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 0.002796 1000000 21783.4960938
Die Coat Dow Corning Silicone 69430-27-9 0.000000 0 0
Lead Frame Cu Copper (Cu) 7440-50-8 0.057847 975000 450683.0625
Iron (Fe) 7439-89-6 0.001424 24000 11094.3125
Phosphorus (P) 7723-14-0 0.000018 300 140.237091064
Zinc (Zn) 7440-66-6 0.000042 700 327.219909668
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: 0.059331 1000000 462244.84375
Plating PMI Exter. Plating Pb 7439-92-1 0.000000 0 0
Exter. Plating Sn 7440-31-5 0.002894 1000000 22547.4902344
External Plating Total: 0.002894 1000000 22547.4902344
Inter. Plating Ni 7440-02-0 0.000000 0 0
Inter. Plating Ag 7440-22-4 0.001274 1000000 9925.66992188
Internal Plating Total: 0.001274 1000000 9925.66992188
Die Attach ELECTRICALLY CONDUCTIVE ADHESIVE Silver (Ag) 7440-22-4 0.001142 750000 8897.26464844
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)   0.000381 250000 2968.35180664
Die Attach Total: 0.001523 1000000 11865.6162109
Encapsulation MULTI-AROMATIC RESIN Br/Sb FREE Resin (EP)   0.007847 130000 61135.5820312
Bromine (Br) 40039-93-8 0.000000 0 0
Silica (SiO2) 60676-86-0 0.051910 860000 404428.21875
Antimony
Trioxide (Sb2O3)
1309-64-4 0.000000 0 0
Metal Hydroxide   0.000000 0 0
Carbon Black (C) 1333-86-4 0.000604 10000 4705.73339844
Encapsulation Total: 0.060361 1000000 470269.53125
Bond Wire
Estimated
AFW/TANAKA/ Kn Gold (Au) 7440-57-5 0.000175 1000000 1363.4161377
  TOTAL MASS (g): 0.128354