The part number “1003ACA” from American Technical Ceramics (ATC) corresponds to a specific model within their 100A Series Porcelain Superchip® Multilayer Capacitors. These capacitors are designed for high-frequency applications, offering features suitable for various RF and microwave circuits.
Key Specifications
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Capacitance Range: 0.1 pF to 100 pF
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Case Size: A (.055″ x .055″)
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Voltage Rating: Up to 250 VDC
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Temperature Coefficient: +90 ±20 ppm/°C (−55°C to +125°C)
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ESR/ESL Performance: Improved for high Q and high self-resonance
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Construction: High-density porcelain for rugged, hermetic packaging
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Compliance: Meets EIA-198, MIL-PRF-55681, and MIL-PRF-123 standards
Functional Applications
These capacitors are ideal for:
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Bypass
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Coupling
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Tuning
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Feedback
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Impedance Matching
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DC Blocking
Circuit Applications
Commonly used in:
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Microwave/RF/IF Amplifiers
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Mixers
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Oscillators
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Low Noise Amplifiers
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Filter Networks
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Timing Circuits
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Delay Lines
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Medical Electronics



