3299 (250 to 50K ohms)

MATERIAL DECLARATION SHEET
Material Number
Product Line
Compliance Date
RoHS Compliant
No.
Construction
Element
(subpart)
3299 (250Ω to 50KΩ) LF
Trimmer
3-1-2005
Yes DC 509
MSL
Homogeneous
Material
Material
weight
[g]
1
Contact Spring
Stainless Steel
0.007
2
Housing
PBT
0.305
3
Rotor
Nylon
0.038
4
Potting
Epoxy
0.078
5
Shaft
Brass
0.102
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Homogeneous Material
Substances
Carbon
Manganese
Phosphorus
Sulfur
Silicon
Chromium
Nickel
Iron
Polybutylene terephthalate
Glass fiber
Brominated flame retardant
Antimony trioxide
Polyamide 66
Glass fiber
Tetrafluoroethylene polymer
Epoxy resin
Antimony trioxide
Aluminum oxide
Kaolin clay
Magnesium alumino silicate
Copper
Zinc
Lead
CASRN
if applicable
7440-44-0
7439-96-5
7723-14-0
7704-34-9
7440-21-3
7440-47-3
7440-02-0
7439-89-6
30965-26-5
65997-17-3
Trade
secret
1309-64-4
32131-17-2
65997-17-3
9002-84-0
25068-38-6
1309-64-4
1344-28-1
1332-58-7
1302-88-1
7440-50-5
7440-66-6
7439-92-1
Materials
Mass %
0.18
2
0.045
0.03
0.75
17
8
71.995
49
35
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CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society
10
6
60
30
8
64
11
10
6
9
61.5
35.4
3.1
Material
Mass % of
total unit wt.
0.0015
0.0167
0.0004
0.0003
0.0063
0.1421
0.0669
0.6018
17.8469
12.7478
Subpart
mass of total
wt. (%)
0.84
36.42
3.6422
2.1853
2.7227
1.3614
0.3630
5.9613
1.0246
0.9315
0.5589
0.8383
7.4910
4.3119
0.3776
4.54
9.31
12.18
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MATERIAL DECLARATION SHEET
6
Substrate
Ceramic
0.144
7
Termination Ink
Ink
0.004
8
Resistive Ink
Ink
0.005
9
Terminals
Copper
Plating
Total Weight
0.151
0.0034
0.8374
Aluminum oxide
Silicon dioxide
Magnesium oxide
Calcium oxide
Silver
Palladium
Lead oxide
Bismuth trioxide
Boron oxide
Copper oxide
Ruthenium Dioxide
Calcium Silicate borate glass
Silver
Titanium dioxide
Manganese dioxide
Cuprous oxide
Copper
Tin
1344-28-1
7631-86-9
1309-48-4
1305-78-8
7440-22-4
7440-05-3
1317-36-8
1304-76-3
1303-86-2
1317-39-1
12036-10-1
59794-15-9
7440-22-4
13463-67-7
1313-13-9
1317-39-1
7440-50-8
7440-31-5
96
2
1
1
88
6
1.0
2.9
0.9
1.2
35
46
7
5
6
1
100
100
16.5082
0.3439
0.1720
0.1720
0.4203
0.0287
0.0048
0.0139
0.0043
0.0057
0.2090
0.2747
0.0418
0.0299
0.0358
0.0060
18.0320
0.4060
17.20
0.48
0.60
18.44
This Document was updated on: 8-5-2011
Important remarks:
1.
2.
3.
It is the responsibility of the user to verify they are accessing the latest version.
Non RoHS complaint versions available without the LF suffix
RoHS exemptions: 6c – copper alloy containing up to 4% lead by weight; 7(c)-I – electrical and electronic components containing
lead in a glass or ceramic...
Headquarters Riverside CA
www.bourns.com
CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society
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