CWR29KK106KBGZ vs M39003/01-6232/HSD
| Part Number |
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| Category | Tantalum Capacitors | Tantalum Capacitors |
| Manufacturer | KYOCERA AVX | Vishay Sprague |
| Description | CAP TANT 10UF 10% 25V 2711 | CAP TANT 18UF 10% 50V AXIAL |
| Package | Bulk | Bulk |
| Series | Military, MIL-PRF-55365/11, CWR29 | Military, MIL-PRF-39003/1, CSR13 |
| Type | Molded | Hermetically Sealed |
| Features | High Reliability | High Reliability |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 2711 (6728 Metric) | Axial |
| Tolerance | ±10% | ±10% |
| Size / Dimension | 0.265" L x 0.110" W (6.73mm x 2.79mm) | 0.289" Dia x 0.686" L (7.34mm x 17.42mm) |
| Voltage - Rated | 25 V | 50 V |
| Lead Spacing | - | - |
| Ratings | - | - |
| Height - Seated (Max) | 0.125\" (3.17mm) | - |
| Capacitance | 10 µF | 18 µF |
| ESR (Equivalent Series Resistance) | 350mOhm | - |
| Lifetime @ Temp. | - | - |
| Failure Rate | B (0.1%) | B (0.1%) |
| Manufacturer Size Code | G | C |

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1. 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. -
2. Why are tantalum capacitors so expensive?
Tantalum ore resources are scarce and the mining cost is high.
The manufacturing process is complex and the yield is relatively low.
It has excellent electrical characteristics, making it indispensable in high-end applications. -
3. When to use tantalum capacitors?
When miniaturization, low ESR (equivalent series resistance), and stable operation over a wide temperature range are required.
Suitable for audio processing, communication equipment, computer motherboards and other fields. -
4. What special precautions must be taken when installing tantalum capacitors?
Ensure the correct polarity connection.
Be careful not to exceed the rated voltage.
Use appropriate fuses or other protective devices to prevent overcurrent.
Consider heat dissipation design to avoid local overheating.

