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Presidio Components High Reliability "SR" Ceramic Capacitors buy in Elmsford
Buy Presidio Components High Reliability "SR" Ceramic Capacitors
Presidio Components High Reliability "SR" Ceramic Capacitors

Presidio Components High Reliability "SR" Ceramic Capacitors

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Description

For applications that require the highest level of reliability, Presidio recommends its high reliability "SR" capacitors. Tested similarly to MIL-PRF-123 Group A, Presidio manufacturers these chips on the same manufacturing line as its military product line. They may be used in both military and space applications. Please note these capacitors are NOT MIL-qualified.

Quality Assurance Provisions
Every lot undergoes the following inspection and tests:

  • Destructive Physical Analysis (DPA): A representative sample is pulled from each lot and examined per relevant sections of EIA 469 and to verify adherence to Presidio's internal design criteria. Sample size is per MIL-PRF-123.

  • Ultrasonic Scanning (optional): This screening may be performed on lots to assure the highest quality microstructure. Ultrasonic scanning is not required for each lot, and must be specified on the customer purchase order.

  • Thermal Shock: All parts are temperature cycled for 20 cycles in accordance with MIL-PRF-123.

  • Voltage Conditioning: All parts receive a voltage conditioning at 2X rated voltage and 125°C for a minimum of 168 hours and a maximum of 264 hours. Voltage conditioning may be terminated at any time between 168 and 264 hour time intervals when failures are less than .1% or 1 piece, during the last 48 hours of the test. Tested in accordance with MIL-PRF-123 except resistors are used in place of fuses.

  • Insulation Resistance (IR @ 125°C): All parts are tested at 125°C and rated voltage in accordance with Method 302 of MIL-STD-202. The minimum IR required is 10,000 megohms or 100 megohm-microfarads.

  • Dielectric Withstanding Voltage (DWV): All parts are tested at 2.5X rated voltage in accordance with Method 301 of MIL-STD-202, or according to EIA/MIL Standards.

  • Insulation Resistance (IR @ 25°C): All parts are tested at 25°C and rated voltage in accordance with Method 302 of MIL-STD-202. The minimum IR required is 100,000 megohms or 1,000 megohm-microfarads.
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Presidio Components High Reliability "SR" Ceramic Capacitors
Presidio Components High Reliability "SR" Ceramic Capacitors
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