T520L337M2R5ATE012 vs TCJB107M004R0040
| Part Number |
|
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| Category | Tantalum - Polymer Capacitors | Tantalum - Polymer Capacitors |
| Manufacturer | KEMET | KYOCERA AVX |
| Description | CAP TANT POLY 330UF 2.5V 2312 | CAP TANT POLY 100UF 4V 1411 |
| Package | Tape & Reel (TR) | -Reel® |
| Series | KO-CAP® T520 | TCJ |
| 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 | 2312 (6032 Metric) | 1411 (3528 Metric), 1210 |
| Tolerance | ±20% | ±20% |
| Size / Dimension | 0.236" L x 0.126" W (6.00mm x 3.20mm) | 0.138" L x 0.110" W (3.50mm x 2.80mm) |
| Voltage - Rated | 2.5 V | 4 V |
| Lead Spacing | - | - |
| Ratings | - | - |
| Height - Seated (Max) | 0.075\" (1.90mm) | 0.083\" (2.10mm) |
| Capacitance | 330 µF | 100 µF |
| ESR (Equivalent Series Resistance) | 12mOhm @ 100kHz | 40mOhm @ 100kHz |
| Lifetime @ Temp. | 2000 Hrs @ 105°C | 2000 Hrs @ 105°C |
| Manufacturer Size Code | L | B |
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1. What are tantalum polymer capacitors?
Tantalum polymer capacitors are electrolytic capacitors that use metallic tantalum as the anode material and a conductive polymer (such as polypyrrole or polythiophene) as the cathode material. This design provides better performance than traditional aluminum electrolytic capacitors and solid tantalum capacitors, especially in high-frequency applications.
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2. 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. -
3. 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. -
4. What special precautions must be taken when installing tantalum polymer capacitors?
Ensure correct polarity connection: Incorrect polarity will cause immediate damage.
Pay attention to the operating temperature range: Avoid exceeding the recommended operating temperature range.
Protection during welding: Avoid overheating to protect components from damage.
ESD protection: Take appropriate anti-static measures during handling.
