TQFP SNPB Auwire4414

Device Material Content
5555 NE Moore Ct.
Hillsboro OR 97124
[email protected]
Package: 44 TQFP (1.4mm) with SnPb Plating
Total Device Weight 0.34
Grams
August, 2008
% of Total
Pkg. Wt.
Weight (g)
Die
1.55%
0.005
Mold
76.89%
0.261
D/A Epoxy
0.19%
0.38%
0.0013
Lead Plating
2.23%
0.008
18.76%
Substance
CAS #
Notes / Assumptions:
Silicon chip
7440-21-3
Die size: 2.1 x 3.0 mm
65.36%
3.84%
3.84%
0.46%
0.46%
2.92%
0.222
0.013
0.013
0.002
0.002
0.010
Silica Fused
Epoxy Resin
Phenol Resin
Antimony Trioxide
Carbon black
Other (trade secret)
60676-86-0
1309-64-4
1333-86-4
-
Mold Compound Density between 1.7 and 2.1 grams/cc
80 to 90% Silica Fused (LSC uses 85% in our calculation)
3 to 10% Epoxy Resin (LSC uses 5% in our calculation).
2 to 10% Phenol Resin (LSC uses 5% in our calculation).
0.1 to 1% Antimony Trioxide (LSC uses 0.6% in our calculation)
0.1 to 1% Carbon black (LSC uses 0.6% in our calculation)
0 to 5% Other (LSC uses 3.8% in our calculation)
0.15%
0.04%
0.0005
0.00013
Silver-filled epoxy
Silver (Ag)
other
7440-22-4
-
Die attach epoxy Density: 4 grams/cc
(silver content: 70-90%; LSC uses 80% in our calculation)
Gold (Au)
7440-57-5
0.8 to 1.0 mil diameter; 1 wire per package lead; wire length 3 mm
Plating is 85% Sn, 15% Pb; thickness is 0.015mm
0.0006
Wire
Leadframe
% of Total
Weight (g)
Pkg. Wt.
MSL: 3
Peak Reflow Temp: 240°C
1.90%
0.33%
0.006
0.0011
Tin (Sn)
Lead (Pb)
7440-31-5
7439-92-1
18.29%
0.08%
0.02%
0.04%
0.04%
0.28%
0.02%
0.062
0.0003
0.00006
0.00013
0.00013
0.0010
0.00006
Copper (Cu)
Silicon (Si)
Zinc (Zn)
Tin (Sn)
Chromium (Cr)
Nickel (Ni)
Magnesium (Mg)
7440-50-8
7440-21-3
7440-66-6
7440-31-5
7440-47-3
7440-02-0
7439-95-4
0.064
Leadframe thickness is nominal (per Case Outline)
Cu (LSC uses 97.5% in our calculation)
0 to 0.65% Si (LSC uses 0.4% in our calculation)
0 to 0.2% Zn (LSC uses 0.1% in our calculation)
0 to 0.25% Sn (LSC uses 0.2% in our calculation)
0 to 0.3% Cr (LSC uses 0.2% in our calculation)
0 to 3% Ni (LSC uses 1.5% in our calculation)
0 to 0.15% Mg (LSC uses 0.1% in our calculation)
Notes:
The values listed above are nominal values based on studies of representatives of this particular package type, and are believed to be as accurate as possible.
Constituent substances and proportions in epoxy materials are before curing.
The information provided above is representative of the package as of the date listed, and is subject to change at any time.
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Rev. F1