The ATC 700 B Series NPO Porcelain and Ceramic Multilayer Capacitors datasheet contains detailed information about high-performance capacitors designed for RF/Microwave applications. These capacitors offer a wide capacitance range from 0.1 pF to 5100pF and are acclaimed for their low ESRIESL, zero Temperature Coefficient of Capacitance (TCC), low noise, and high self-resonance characteristics.
Key Features and Benefits
Low ESRIESL and TCC: These capacitors provide exceptional performance with a minimal drift in applications demanding stability, including RF power applications. The stated low ESRIESL enhances high-frequency operation, while the zero TCC (±30PPM/°C) ensures stable capacitance over the temperature range of -55°C to +125°C.
High Quality Factor (Q): Depending on the capacitance value, these capacitors offer a high Q-factor exceeding 10,000 for 0.1 pF to 200 pF range at MHz frequency, and greater than 2000 for capacitance ranges from 220 pF to 5100 pF.
Rugged and Reliable: The porcelain and ceramic construction provides a durable hermetic package that maintains functionality in various conditions, ensuring reliability necessitated by military standards. These capacitors are manufactured to fulfill the specifications of EIA-198, MIL-PRF-55881, and MIL-PRF-123.
Specifications and Parameters
The datasheet emphasizes insulation resistance (with minimums at 10^5 Megohms at +25°C and +125°C), working voltage (WVDC), and dielectric withstanding voltage (DWV). Capacitance values are provided alongside their standard and available extended WVDC options.
Mechanical and Thermal Properties: The capacitors are tested for their robustness, including terminal strength (5 – 15 lbs.), and thermal properties, like operating temperature range (0.1 to 200 pF: from -55°C to +175°C, 220 to 5100 pF: from -55°C to +125°C), and life test performance at 200% WVDC.
Environmental Resistance: The 700 B Series displays resilience under environmental tests like thermal shock, moisture resistance, and low voltage humidity.
Applications and Part Numbering
Functional applications for these capacitors include bypassing, coupling, tuning, DC blocking, filters, oscillators, timing circuits, and RF power amplifiers. Detailed part number codes are offered to facilitate the correct identification of capacitors across different case sizes, capacitance values, tolerances, voltage ratings, and packaging options.
Encapsulation Option: For enhanced protection against arc-over and corona, an encapsulation option is available and can be inquired about by consulting ATC. Furthermore, extended WVDC is not applicable to CDR products.
For convenience, ATC provides laser marking on all 700 B capacitors, and accepts part orders with or without the “ATC” prefix, considering both methods equivalent.
Contact Information
Contact details for ATC offices in North America, Europe, and Asia are provided, along with direct communication channels for additional information or obtaining catalogs.
References:
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