Overview of KEMET High Reliability Ceramic Capacitors
KEMET Electronics Corporation is renowned for its production of high reliability monolithic ceramic capacitors. These capacitors are manufactured under strict quality-controlled procedures to achieve state-of-the-art performance. The C512B G 104J 1O0V 0735ZB series is highlighted for its adherence to meticulous materials selection, design, training, and inspection, ensuring the exceptional performance and reliability of the end product. These capacitors meet and exceed the requirements of the demanding MIL-PRF-123 military standard.
Key High Reliability Product Requirements
Several crucial requirements encompass the production of KEMET’s high-reliability capacitors:
1. Selected Raw Materials: Every material is chosen based on its potential to contribute to superior electrical parameters and the physical integrity of the capacitor.
2. Batch Homogeneity: Homogeneous batch production maximizes consistency in materials, design, and processing.
3. Clean Room Processing: All sensitive processes occur within a clean room environment to minimize particulate contamination.
4. Special Designs: Specific design considerations like dielectric thickness are rigorously enforced.
5. Destructive Physical Analysis (DPA): Samples from each batch undergo cross-sectioning analysis per EIA-469 standards, with reports provided alongside the shipped capacitors.
6. C-SAM Screening: An optional ultrasonic energy screening may be utilized to identify voids or delamination in 100% of the capacitors.
7. Batch Performance Monitoring: All production batches undergo electrical characteristic testing. Anomalies result in batch rejection.
8. Special Customer Requirements: KEMET can accommodate custom specifications such as serialization, DPA samples, X-Ray plates, and special packaging.
Detailed Specification Highlights
Temperature characteristics are a prime focus in the datasheet. The COG (BP) variant, made from non-ferroelectric ceramic materials, offers outstanding stability but less packaging efficiency. Conversely, the XZR (BX) variant utilizes ferroelectric materials like barium titanate to provide a stable and high packaging efficiency. Despite its efficiency, barium titanate experiences an “Aging” effect, where the ceramic’s structure reverts to its tetragonal form over time due to temperature changes. This phenomenon, however, does not occur with COG (BP) formulations.
Quality System Documentation
The datasheet underlines KEMET’s comprehensive Quality System managed through a Quality Manual and Quality Operating Documents. Document control, revisions, and approvals are strictly regulated to maintain the highest quality standards throughout the manufacturing process.
Contact information for KEMET Electronics Corporation features prominently, encouraging customers to seek additional information or support via their Greenville, SC headquarters or their website.
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