T520A226M006ATE100 vs F380J226MSAAH1
| Part Number |
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| Category | Tantalum - Polymer Capacitors | Tantalum - Polymer Capacitors |
| Manufacturer | KEMET | KYOCERA AVX |
| Description | CAP TANT POLY 22UF 6.3V 1206 | CAP TANT POLY 22UF 6.3V 0805 |
| Package | -Reel® | Tape & Reel (TR) |
| Series | KO-CAP® T520 | F38 |
| Type | Molded | Molded |
| Features | General Purpose | General Purpose |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 1206 (3216 Metric) | 0805 (2012 Metric) |
| Tolerance | ±20% | ±20% |
| Size / Dimension | 0.126" L x 0.063" W (3.20mm x 1.60mm) | 0.079" L x 0.049" W (2.00mm x 1.25mm) |
| Voltage - Rated | 6.3 V | 6.3 V |
| Lead Spacing | - | - |
| Ratings | - | - |
| Height - Seated (Max) | 0.071\" (1.80mm) | 0.035\" (0.90mm) |
| Capacitance | 22 µF | 22 µF |
| ESR (Equivalent Series Resistance) | 100mOhm @ 100kHz | 150mOhm @ 100kHz |
| Lifetime @ Temp. | 2000 Hrs @ 105°C | 1000 Hrs @ 85°C |
| Manufacturer Size Code | A | S |
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1. What is special about tantalum polymer capacitors?
Low ESR (equivalent series resistance): They are suitable for use in circuits that require fast response.
Long life: There is no liquid electrolyte, so it will not dry out and has a longer service life.
High reliability: They perform well in long-term operation.
Self-healing ability: When a local short circuit occurs, the polymer can reform the insulating layer to prevent further damage.
Volumetric efficiency: They have a high capacitance density and can provide large capacitance values in a smaller package. -
2. Will tantalum polymer capacitors deteriorate?
All types of capacitors will experience a certain degree of aging over time. For tantalum polymer capacitors, although the aging rate is relatively slow, they may still experience problems such as capacity loss after long-term use. In addition, improper storage conditions or excessive operating temperatures can also accelerate this process.
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3. What causes tantalum polymer capacitors to fail?
Overvoltage operation: Exceeding the rated voltage may cause internal breakdown.
Reverse bias: Connecting the positive and negative terminals in reverse may cause immediate damage.
Overheating: Prolonged exposure to high temperature environments can affect performance and even cause failure.
Mechanical damage: Damage may also be caused by external impact or pressure. -
4. What is the difference between wet and dry tantalum capacitors?
Wet: An early type of tantalum capacitor that contains a liquid electrolyte, which is less common now.
Dry: A modern version that uses a solid electrolyte (such as manganese dioxide or conductive polymer) for better stability and safety.
