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About UsCMT Rare Metal Advanced Materials (Hunan) Co., Ltd. (hereinafter referred to as "CMTRM") is a professional company of China Tungsten &High-Tech Materials Co., Ltd, (Stock Code: 000657)
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Application FieldsThe products are widely used in many industries,such as& chemical Industry、electronic、new energy、superalloys、high temperature furnace、flat panel display、semiconductor、medical treatment
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Technology & ServiceOur company has a strong technical force and a quality assurance system, extends its reach of services over the globe, sets up an integrated system for pre-sales and after-sales
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NewsCMTRM has a complete industrial chain from rare metal powder preparation to intensive processing,and all kinds of key production and testing equipment are complete, which gives a solid guarantee for us to provide leading products and services in the industry.
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High-capacitance Tantalum Powder
Classification :
keyword：
PRODUCT DETAILS
Application:
It is used for manufacturing high reliability tantalum capacitors.
Product Property Parameters：
|
Name |
High-capacitance Tantalum Powder |
|||||
| Grade |
FTA230 |
FTA300 |
FTA400 |
FTA500 |
FTA700 |
|
|
Electrical Properties |
Capacitance μFV/g（+10%-5%） |
23000 |
30000 |
40000 |
50000 |
70000 |
|
（%） |
≤18 |
≤18 |
≤18 |
≤18 |
≤15 |
|
|
DC Leakage （nA/μFV） |
≤0.4 |
≤0.4 |
≤0.4 |
≤0.4 |
≤0.5 |
|
|
Dissipation Factor |
≤15 |
≤20 |
≤20 |
≤25 |
≤40 |
|
|
Breakdown Voltage（V） |
≥140 |
≥120 |
≥120 |
≥120 |
≥120 |
|
|
Impurity Contents (mass fraction), ppm, max |
Fe |
30 |
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|
Ni |
30 |
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|
Cr |
20 |
|||||
|
Si |
20 |
|||||
|
Ti |
5 |
|||||
|
Nb |
30 |
|||||
|
K+Na |
20 |
30 |
30 |
30 |
40 |
|
|
W |
10 |
|||||
|
Mo |
5 |
|||||
|
Gas Impurity Contents, ppm, max |
O |
2500 |
2500 |
3000 |
3500 |
4000 |
|
C |
30 |
30 |
40 |
40 |
40 |
|
|
N |
150 |
400 |
500 |
500 |
1000 |
|
|
H |
120 |
120 |
170 |
170 |
180 |
|
|
Physical Properties |
Bulk Density（g/cm3） |
1.7-2.3 |
1.7-2.3 |
1.6-2.2 |
1.6-2.2 |
1.5-2.1 |
|
Average FisherSize（μm） |
2.4-3.5 |
2.4-3.5 |
2.0-3.5 |
2.0-3.4 |
1.8-3.0 |
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|
ParticleSize Distribution（-325mesh%） |
≤35 |
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Product Application Fields
