F921A475MPA vs TAJA105M020RNJ
| Part Number |
|
|
| Category | Tantalum Capacitors | Tantalum Capacitors |
| Manufacturer | KYOCERA AVX | KYOCERA AVX |
| Description | CAP TANT 4.7UF 20% 10V 0805 | CAP TANT 1UF 20% 20V 1206 |
| Package | -Reel® | -Reel® |
| Series | F92 | TAJ |
| Type | Molded | Molded |
| Features | General Purpose | General Purpose |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 0805 (2012 Metric) | 1206 (3216 Metric) |
| Tolerance | ±20% | ±20% |
| Size / Dimension | 0.079" L x 0.049" W (2.00mm x 1.25mm) | 0.126" L x 0.063" W (3.20mm x 1.60mm) |
| Voltage - Rated | 10 V | 20 V |
| Lead Spacing | - | - |
| Ratings | - | - |
| Height - Seated (Max) | 0.039\" (1.00mm) | 0.071\" (1.80mm) |
| Capacitance | 4.7 µF | 1 µF |
| ESR (Equivalent Series Resistance) | 6Ohm | 9Ohm |
| Lifetime @ Temp. | - | - |
| Failure Rate | - | - |
| Manufacturer Size Code | P | A |
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1. Disadvantages of tantalum capacitors
The price is relatively high.
If used improperly or the circuit design is defective, it may fail, including explosion.
It is polarity sensitive and can only work in the specified direction.
It may fail easily under certain conditions (such as overvoltage, surge current). -
2. Difference between ordinary capacitors and tantalum capacitors
Material: Ordinary capacitors can be aluminum electrolytic capacitors, ceramic capacitors, etc.; while tantalum capacitors use metal tantalum as anode material.
Performance: Generally, tantalum capacitors have better temperature stability and higher capacity-to-volume ratio.
Application range: Due to its performance characteristics, tantalum capacitors are often used in miniaturized electronic products that require high reliability. -
3. What is the expected life of tantalum capacitors?
Under normal circumstances, it can range from thousands of hours to tens of thousands of hours, depending on the working conditions and manufacturer specifications.
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4. What causes tantalum capacitors to burn out?
Common causes include applying a voltage exceeding the maximum allowable value, excessive current, high ambient temperature, and manufacturing defects.
