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Materials used in our chip resistors
■Metal thin film fixed chip resistors
| Product: |
Metal thin film fixed chip resistor |
| Series name: |
RR1220 series |
| Weight: |
3.9mg |
| Structure |
Weight[mg] |
Main materials used |
Weight % |
Notes |
| ceramic |
3.610 |
Alumina type ceramic |
88.06% |
- |
| 2.78% |
- |
| 1.85% |
- |
| Resistiv element |
0.0007 |
Nichrome alloy |
0.02% |
Composition : proprietary |
| Inner Electrode |
0.119 |
- |
0.12% |
Composition : proprietary |
| Nickel plating |
2.93% |
Outsourced |
| External Electrode |
0.094 |
Tin plating |
2.41% |
Outsourced |
| Protectin film |
0.056 |
Epoxy Resin |
1.44% |
- |
| Marking |
0.015 |
Epoxy Resin |
0.39% |
- |
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100.0% |
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■Metal thin film fixed chip resistors
| Product: |
Highly reliable and precision metal thin film fixed chip resistors. |
| Series name: |
RG2012 series |
| weight: |
4.09mg |
| Structure |
Weight[mg] |
Main materials used |
Weight % |
Notes |
| ceramic |
3.610 |
Alumina substrates |
87.78% |
- |
| 0.27% |
| 0.17% |
| Resistiv element |
0.0006 |
Nichrome alloy |
0.01% |
Composition : proprietary |
| Inner Electrode |
0.234 |
Nickel plating |
0.11% |
Composition : proprietary |
| Copper plating |
2.83% |
Outsourced |
| Nickel plating |
2.79% |
Outsourced |
| External Electrode |
0.150 |
Tin plating |
3.67% |
Outsourced |
| Protectin film |
0.082 |
PCVD-SiO2 |
1.32% |
- |
| |
0.68% |
| Marking |
0.015 |
PCVD-SiO2 |
0.37% |
- |
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100.0% |
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