FXO-LC53 Series

Page 10 of 15

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Material Name

Component

Content

Content

(mg)

（ｗｔ％）

(CAS Number)

Cover

Kovar

Nickel (Ni)

1.890

3.09%

7440-02-0

Cobalt (Co)

1.113

1.82%

7440-48-4

Iron (Fe)

3.540

5.78%

7439-89-6

Base

Ceramic

35.484

57.98%

1344-28-1

1.733

2.83%

14808-60-7

0.268

0.44%

1308-38-9

0.364

0.59%

18868-43-4

Magnesium Oxide (MgO)

0.234

0.38%

1309-48-4

Calcium Oxide (CaO)

0.253

0.41%

1305-78-8

+ Metallization

Tungsten (W)

6.290

10.28%

7440-33-7

Molybdenum (Mo)

0.195

0.32%

7439-98-7

+ Nickel Plating Nickel (Ni)

0.810

1.32%

7440-02-0

Cobalt (Co)

0.203

0.33%

7440-48-4

+ Gold Plating

Gold (Au)

0.281

0.46%

7440-57-5

＋

Seal ring

Iron (Fe)

2.438

3.98%

7439-89-6

Nickel (Ni)

1.309

2.14%

7440-02-0

Cobalt (Co)

0.768

1.25%

7440-48-4

＋

silver solder

Silver (Ag)

1.191

1.95%

7440-22-4

Copper (Cu)

0.210

0.34%

7440-50-8

ＩＣ

ＩＣ

Aluminum (Al)

0.0021

0.00343%

7429-90-5

Silicon (Si)

0.950

1.55%

7440-21-3

Gold

Gold (Au)

0.480

0.784%

7440-57-5

Adhesive

Silver (Ag)

0.000210

0.000343%

7440-22-4

Epoxy

0.0000700

0.0001144%

Crystal

Crystal

1.170

1.91%

14808-60-7

Electrode

Silver (Ag)

0.019

0.0310%

7440-22-4

Nickel (Ni)

0.000159

0.000260%

7440-02-0

Adhesive

Silver (Ag)

0.00037

0.000605%

7440-22-4

Silicon (Si)

0.000125

0.000204%

7440-21-3

TOTAL

61.196

100.00%

RoHS Material Declaration

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