TCQB336M006R0070 vs RFCS04021000BJTT1
| Part Number |
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| Category | Tantalum - Polymer Capacitors | Silicon Capacitors |
| Manufacturer | KYOCERA AVX | Vishay Electro-Films |
| Description | CAP TANT POLY 33UF 6.3V 1411 | CAP SILICON 10PF 5% 25V 0402 |
| Package | -Reel® | Cut Tape (CT) |
| Series | TCQ | RFCS |
| Type | Molded | - |
| Features | Automotive | - |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | - |
| Package / Case | 1411 (3528 Metric), 1210 | 0402 (1005 Metric) |
| Tolerance | ±20% | ±5% |
| Size / Dimension | 0.138" L x 0.110" W (3.50mm x 2.80mm) | 0.040" L x 0.020" W (1.02mm x 0.51mm) |
| Voltage - Rated | 6.3 V | - |
| Lead Spacing | - | - |
| Ratings | AEC-Q200 | - |
| Height - Seated (Max) | 0.083\" (2.10mm) | - |
| Capacitance | 33 µF | 10 pF |
| ESR (Equivalent Series Resistance) | 70mOhm @ 100kHz | - |
| Lifetime @ Temp. | 1000 Hrs @ 125°C | - |
| Manufacturer Size Code | B | - |
| Applications | - | - |
| Voltage - Breakdown | - | 25 V |
| ESL (Equivalent Series Inductance) | - | - |
| Height | - | 0.016\" (0.41mm) |
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1. What is the difference between regular capacitors and tantalum polymer capacitors?
Construction: Regular capacitors can be non-polar (such as ceramic capacitors) or polar (such as aluminum electrolytic capacitors). Tantalum polymer capacitors are always polar and use a solid conductive polymer as the electrolyte.
Performance: Tantalum polymer capacitors generally have lower ESR, better frequency characteristics, and higher stability.
Applications: Due to their high performance characteristics, tantalum polymer capacitors are often used in electronic devices with high performance requirements. -
2. What are the alternatives to tantalum polymer capacitors?
Aluminum electrolytic capacitors: For applications that do not require extremely high stability and low ESR.
Solid aluminum capacitors: Provide performance between traditional aluminum electrolytic capacitors and tantalum polymer capacitors.
Other solid capacitors: Choose the right alternative based on your specific needs. -
3. Which side of a tantalum polymer capacitor is the positive pole?
Usually, there is a clear mark on the tantalum polymer capacitor to indicate the positive pole, such as a long bar mark or a "+" symbol.
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4. 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.
