3252 (10 to 250 ohms)

MATERIAL DECLARATION SHEET
Material Number
Product Line
Compliance Date
RoHS Compliant
3252 (10Ω to 250Ω) LF
Trimmer
3-1-2005
Yes DC 509
MSL
No.
Construction
Element
(Subpart)
Homogeneous
Material
Material
Weight
(g)
1
Contact Spring
Nickel-Silver
0.0076
2
Housing
PBT
0.739
3
Rotor
Nylon
0.0078
4
Potting
Epoxy
0.251
5
Shaft
Brass
0.13
6
Substrate
Ceramic
0.333
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Homogeneous Material
Substance
Copper
Nickel
Zinc
Polybutylene terephthalate
Glass fiber
Antimony trioxide
Brominated FR (TBBPA
polycarbonate polymer)
Polyamide 66
Glass fiber
Carbon black
Tetrafluoroethylene polymer
Epoxy resin
Antimony trioxide
Aluminum oxide
Kaolin clay
Magnesium alumino silicate
Copper
Zinc
Nickel (plating)
Aluminum oxide
Silicon dioxide
Magnesium oxide
Calcium oxide
CASRN
7440-50-8
7440-02-0
7440-66-6
30965-26-5
65997-17-3
1309-64-4
Material
Mass %
65
18
17
55
30
4
Material Mass %
of total unit wt.
0.2897
0.0802
0.0758
23.8387
13.0029
1.7337
trade secret
32131-17-2
65997-17-3
1333-86-4
9002-84-0
25068-38-6
1309-64-4
1344-28-1
1332-58-7
1302-88-1
7440-50-8
7440-66-6
7440-02-0
1344-28-1
7631-86-9
1309-48-4
1305-78-8
11
60
30
2
8
64
11
10
6
9
70
29.99
0.01
96
2
1
1
4.7677
0.2745
0.1372
0.0091
0.0366
9.4217
1.6194
1.4721
0.8833
1.3249
5.3372
2.2874
0.0008
18.7496
0.3906
0.1953
0.1953
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CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society
Subpart mass
of total wt. (%)
0.45
43.34
0.46
14.72
7.62
19.53
page 1 of 2
MATERIAL DECLARATION SHEET
7
Spring Clip
Alloy
0.003
8
Termination Ink
Ink
0.002
9
Resistive Ink
Ink
0.0118
10
Terminals
Copper
Plating
Total Weight
0.212
0.0077
1.705
10*
Lead Wires
Teflon
Copper
Silver plating
0.5698
Total Weight
2.055
Cobalt
Chromium
Nickel
Molybdenum
Magnesium
Carbon
Beryllium
Iron
Silver
Copper oxide
Bismuth trioxide
Lead oxide
Boron oxide
Silver
Palladium
Barium borate glass
Manganese dioxide
Copper
Tin
7440-48-4
7440-47-3
7440-02-0
7439-98-7
7439-95-4
7440-44-0
7440-41-7
7439-89-6
7440-22-4
1317-39-1
1304-76-3
1317-36-8
1303-86-2
7440-22-4
7440-05-3
13701-59-2
1313-13-9
7440-50-8
7440-31-5
40
20
15
7
2
0.15
0.04
15.81
96
1.2
1.2
1.1
0.5
25
30
41
4
100
100
0.0704
0.0352
0.0264
0.0440
0.0035
0.0003
0.0001
0.0278
0.1126
0.0014
0.0014
0.0013
0.0006
0.1730
0.2076
0.2838
0.0277
12.4340
0.4516
Polytetrafluoroethylene
Copper
Silver
9002-84-0
7440-50-8
7440-22-4
50
49.9
0.1
13.8637
13.8360
0.0277
0.18
0.12
0.69
12.43
0.45
27.73
This Document was updated on: 12-15-2011
Important remarks:
1.
2.
3.
4.
It is the responsibility of the user to verify they are accessing the latest version.
Non RoHS complaint versions available without the LF suffix
*Optional lead wires terminals available for this model
RoHS exemption: 7(c)-I – electrical and electronic components containing lead in a glass or ceramic...
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www.bourns.com
CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society
page 2 of 2
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