MATERIAL DECLARATION SHEET
Material Number
Product Line
Compliance Date
RoHS Compliant
Yes
CRM2512-FT
Surface Mount Chip Resistor
2007-07-27
MSL
1
Subpart
mass of
total wt.
(%)
No.
Construction
Element(subpart)
Homogeneous
Material
Material
weight [mg]
Homogeneous
Material\
Substances
aluminum oxide
silicon dioxide
magnesium oxide
silver
silver
lead oxide
chromium III
silver
ruthenium dioxide
silver
silicon dioxide
lead oxide
palladium
boron oxide
lead oxide
silicon dioxide
boron oxide
lead oxide
silicon dioxide
boron oxide
lead oxide
silicon dioxide
boron oxide
nickel
CASRN
if applicable
Materials
Mass %
96
2
2
100
95
3
2
100
30
20
20
8.861
17
4.139.
29.5
60.5
10
29.5
60.5
10
29.5
60.5
10
100
100
Material Mass
% of total unit
wt.
80.54
2.06
5.82
0.89
Substrate
Top conductor
Side conductor
Back conductor
34.7438
0.6157
0.8142
0.3152
1
Body
Resistor
0.3821
First encapsulating
0.3685
Overcoat
0.8454
Marking
2
Termination layer
Plating (Middle)
Plating (Outer)
0.0525
0.6872
1.0308
1344-28-1
7631-86-9
1309-48-4
7440-22-4
7440-22-4
1317-36-8
7440-47-3
7440-22-4
12036-10-1
7440-22-4
7631-86-9
1317-36-8
7440-05-3
1303-86-2
1317-36-8
7631-86-9
1303-86-2
1317-36-8
7631-86-9
1303-86-2
1317-36-8
7631-86-9
1303-86-2
7440-02-0
1.17
95.6893
1.12
2.30
0.28
2.33
3.48
4.3110
tin (matte)
39.8551
7440-31-5
Total weight
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MATERIAL DECLARATION SHEET
This Document was updated on:
Important remarks:
1.
It is the responsibility of the user to verify they are accessing the latest version.
2.
RoHS exemption: 5 – lead in glass ... of electronic components.
Headquarters Riverside CA
www.bourns.com
CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society
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