LINEAR TECHNOLOGY MATERIALS DECLARATION

LTC2952CUF#PBF (Engineering Calculation) QFN 4mm X 4mm Exp. Pad  
(printed on: 2017-03-16 20:25:54) TOTAL MASS (g): 0.040997
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 0.002493 1000000 60809.78125
Die Coat Dow Corning Silicone 69430-27-9 0.000000 0 0
Lead Frame Cu Copper (Cu) 7440-50-8 0.015239 975000 371712.9375
Iron (Fe) 7439-89-6 0.000375 24000 9147.08007812
Phosphorus (P) 7723-14-0 0.000005 300 121.96105957
Zinc (Zn) 7440-66-6 0.000011 700 268.314331055
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: 0.015630 1000000 381250.21875
Plating PMI Exter. Plating Pb 7439-92-1 0.000000 0 0
Exter. Plating Sn 7440-31-5 0.000734 1000000 17896.3828125
External Plating Total: 0.000734 1000000 17896.3828125
Inter. Plating Ni 7440-02-0 0.000000 0 0
Inter. Plating Ag 7440-22-4 0.000347 1000000 8464.09667969
Internal Plating Total: 0.000347 1000000 8464.09667969
Die Attach ELECTRICALLY CONDUCTIVE ADHESIVE Silver (Ag) 7440-22-4 0.001052 750000 25660.6054688
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)   0.000351 250000 8561.66601562
Die Attach Total: 0.001403 1000000 34222.2695312
Encapsulation MULTI-AROMATIC RESIN Br/Sb FREE Resin (EP)   0.002640 130000 64395.4414062
Bromine (Br) 40039-93-8 0.000000 0 0
Silica (SiO2) 60676-86-0 0.017467 860000 426058.75
Antimony
Trioxide (Sb2O3)
1309-64-4 0.000000 0 0
Metal Hydroxide   0.000000 0 0
Carbon Black (C) 1333-86-4 0.000203 10000 4951.61914062
Encapsulation Total: 0.020310 1000000 495405.78125
Bond Wire
Estimated
AFW/TANAKA/ Kn Gold (Au) 7440-57-5 0.000080 1000000 1951.37695312
  TOTAL MASS (g): 0.040997