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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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Tantalum Wires for Capacitor Leads
Classification :
keyword：
PRODUCT DETAILS
Application:
They are mainly used as leads for making high reliability tantalum capacitors.
Product Property Parameters：
|
Chemical Compositions (%，max) |
|||||||||||||
|
Grade |
O |
C |
Si |
N |
Fe |
H |
Nb |
Ni |
W |
Mo |
Ti |
Cr |
Ta |
|
DTa1 |
0.02 |
0.005 |
0.003 |
0.0035 |
0.0045 |
0.0015 |
0.005 |
0.0025 |
0.002 |
0.002 |
0.005 |
0.0025 |
99.95 |
|
DTa2 |
0.02 |
0.005 |
0.02 |
0.0035 |
0.0045 |
0.0015 |
0.005 |
0.0025 |
0.002 |
0.002 |
0.005 |
0.0025 |
99.95 |
Diameter and Tolerance (mm):
|
Diameter |
0.13 |
0.15 |
0.19 |
0.20 |
0.23 |
0.24 |
0.25 |
0.29 |
0.30 |
0.35 |
0.40 |
0.50 |
0.60 |
0.80 |
1.00 |
|
Tolerance |
±0.005 |
±0.006 |
±0.008 |
||||||||||||
|
Ovality |
0.004 |
0.005 |
0.006 |
||||||||||||
Times of bending after sintering:
|
Grade |
Diameter (mm) |
Bending times |
|
DTa1 |
0.13-0.40 |
3 |
|
＞0.40 |
4 |
|
|
DTa2 |
0.13-0.40 |
4 |
|
＞0.40 |
6 |
Mechanical Properties:
|
State |
Tensile Strength （MPa） |
Elongation (%) |
Wire Curl （Radius, mm） |
|
Mild (M) |
300-750 |
10-35 |
1000 |
|
Semi-hard (Y2) |
750-1250 |
1-5 |
900 |
|
Hard (Y) |
＞1250 |
1-5 |
900 |
Electrical Properties：
- Current Leakage，0.04uA/cm2, max
- Tantalum wire capacitance for wet capacitors（kc）：10-12F.V/cm2
Note: Special requirements will be agreed upon by the supplier and buyer.
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Product Application Fields
