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3549S Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – Precision Potentiometer
MATERIAL DECLARATION SHEET
Material Number
Product Line
Compliance Date
RoHS Compliant
3549S
Precision Potentiometer
January 31, 2007
Yes
MSL
N/A
No.
1
2
3
4
Construction
Homogeneous Material
Element (subpart)
Material
weight [g]
Wiper terminal
Brass
Under plating
Finish plating
0.264
0.012
0.0026
Rear Cover
Nylon
0.972
Slider
Nylon
0.238
Contact spring
Palmet
0.013
Homogeneous Material\
Substances
Copper
Zinc
Nickel
Gold
Polyamide 66 + Polyamide 6
Tetrafluoroethylene polymer
Glass fiber
Silicon
Carbon black
Polyamide 66 + Polyamide 6
Tetrafluoroethylene polymer
Glass fiber
Silicon
Carbon black
Copper
Gold
Palladium
Platinum
Silver
Zinc
CASRN
if applicable
7440-50-8
7440-66-6
7440-02-0
7440-57-5
32131-17-2
25038-54-4
9002-84-0
65997-17-3
7440-21-3
1333-86-4
32131-17-2
25038-54-4
9002-84-0
65997-17-3
7440-21-3
1333-86-4
7440-50-8
7440-57-5
7440-05-3
7440-06-4
7440-22-4
7440-66-6
Materials
Mass %
70
30
100
100
43
13
40
2
2
43
13
40
2
2
14
10
35
10
30
1
Material
Mass % of
total unit
wt.
0.872
0.374
0.057
0.012
1.973
0.596
1.836
0.092
0.092
0.483
0.146
0.449
0.0225
0.0225
0.009
0.006
0.021
0.006
0.018
0.001
Subpart
mass of
total wt.
(%)
1.246
0.057
0.012
4.589
1.123
0.061
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