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High Reliability "SR" Capacitors

(Tested similarly to MIL-PRF-123 Group A)

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.

  • Capacitance: All parts are tested at 25°C and 1VACRMS in accordance with Method 305 of MIL-STD-202.

  • Dissipation Factor (DF): Shall not exceed 2.5% for BX/X7R dielectric or 0.15% for BP/COG dielectric, or according to EIA/MIL Standards.

  • Percent Defective Allowed (PDA): The cumulative PDA after voltage conditioning is 5%. Pieces rejected as out of tolerance for capacitance or visual screening will be removed from the lot but not counted in the PDA calculation.

  • Visual: Performed on pieces in accordance with MIL-PRF-123 Appendix B.

  • Mechanical: Level 1 AQL 1% in accordance with MIL-PRF-123.

  • Class K Element Evaluation (optional): A MIL-PRF-38534 Appendix C Passive Element Class K element evaluation is available when the customer requires this testing. Element evaluation is not required on each lot, and must be specified on the purchase order.

Standard Packaging
Product will be packaged in individual waffle trays or tape and reel as specified by customer.

Data Package
Data will be sent with each shipment including:

  • Destructive Physical Analysis Report (optional): Destructive Physical Analysis (DPA) report and photographs for each lot will be sent. Extra charge may apply.

  • Certificate of Compliance: Certificate of Compliance and attributes test data sheet will be sent with each shipment.

  • Class K Element Evaluation: If a Class K element evaluation is required, all variables test data for subgroup 3 tests will be included in the data package.

  • Ultrasonic Scanning Report (optional): An ultrasonic scanning report will be sent, including a typical scan. Extra charge may apply.
Size L
inches (mm)		 W
inches
(mm)		 Thickness Max. (T) inches (mm) Metallization Band (M.B.) inches (mm) WVDC Dielectric
NPO BX X7R
0402 0.040 (1.02)
±
0.004 (0.10)		 0.020 (0.51)
±
0.004 (0.10)		 0.024
(0.61)		 0.004 (0.10) min band
0.015 (0.38) min space		 16 V 68 pF 1200 pF 3300 pF
25 V 47 pF 820 pF 2200 pF
50 V 27 pF 560 pF 1500 pF
100 V 18 pF 330 pF 680 pF
0403 0.040 (1.02)
±
0.010 (0.25)		 0.030(0.76)
±
0.010 (0.25)		 0.030
(0.76)		 0.004 (0.10) min band
0.015 (0.38) min space		 16 V 270 pF 3300 pF 0.010 µF
25 V 180 pF 2200 pF 6800 pF
50 V 120 pF 1500 pF 5600 pF
100 V 56 pF 680 pF 1800 pF
0504 0.050(1.27)
±
0.010 (0.25)		 0.040 (1.02)
±
0.010(0.25)		 0.040
(1.02)		 0.005 (0.13) min band
0.015 (0.38) min space		 16 V 560 pF 6800 pF 0.027 µF
25 V 330 pF 5600 pF 0.018 µF
50 V 270 pF 3900 pF 0.012 µF
100 V 100 pF 1800 pF 3900 pF
0603 0.063(1.60)
±
0.006(0.15)		 0.032(0.81)
±
0.006(0.15)		 0.035
(0.89)		 0.005 (0.13) min band
0.025(0.64) min space		 16 V 470 pF 4700 pF 0.018 µF
25 V 270 pF 3300 pF 0.012 µF
50 V 220 pF 2200 pF 8200 pF
100 V 68 pF 1000 pF 2200 pF
0805 0.080(2.03)
±
0.010 (0.25)		 0.050(1.27)
±
0.010 (0.25)		 0.050
(1.27)		 0.020
(0.51)
±
0.010
(0.25)		 16 V 1500 pF 0.022 µF 0.056 µF
25 V 1000 pF 0.018 µF 0.039 µF
50 V 820 pF 0.010 µF 0.027 µF
100 V 330 pF 5600 pF 0.012 µF
1206 0.126(3.20)
±
0.008(0.20)		 0.063(1.60)
±
0.008(0.20)		 0.059
(1.50)		 0.020
(0.51)
±
0.010
(0.25)		 16 V 5600 pF 0.082 µF 0.22 µF
25 V 3900 pF 0.056 µF 0.15 µF
50 V 2700 pF 0.039 µF 0.12 µF
100 V 1000 pF 0.022 µF 0.047 µF
1209 0.125(3.18)
±
0.010(0.25)		 0.095(2.41)
±
0.010 (0.25)		 0.065
(1.65)		 0.020
(0.51)
±
0.010
(0.25)		 16 V 0.010 µF 0.22 µF 0.47 µF
25 V 6800 pF 0.18 µF 0.33 µF
50 V 5600 pF 0.12 µF 0.22 µF
100 V 2200 pF 0.047 µF 0.10 µF
1712 0.175(4.45)
±
0.013(0.33)		 0.125(3.18)
±
0.010(0.25)		 0.065
(1.65)		 0.020
(0.51)
±
0.010
(0.25)		 16 V 0.018 µF 0.33 µF 0.68 µF
25 V 0.012 µF 0.22 µF 0.47 µF
50 V 0.010 µF 0.18 µF 0.39 µF
100 V 4700 pF 0.068 µF 0.18 µF
1725 0.175(4.45)
±
0.013(0.33)		 0.250(6.35)
±
0.018(0.46)		 0.065
(1.65)		 0.020
(0.51)
±
0.010
(0.25)		 16 V 0.047 µF 0.82 µF 1.8 µF
25 V 0.039 µF 0.56 µF 1.2 µF
50 V 0.027 µF 0.47 µF 1.0 µF
100 V 0.010 µF 0.22 µF 0.47 µF
2225 0.220(5.59)
±
0.015(0.38)		 0.250(6.35)
±
0.018(0.46)		 0.080
(2.03)		 0.020
(0.51)
±
0.010
(0.25)		 16 V 0.068 µF 1.2 µF 3.3 µF
25 V 0.047 µF 1.0 µF 2.2 µF
50 V 0.033 µF 0.68 µF 1.8 µF
100 V 0.020 µF 0.33 µF 0.68 µF

Dimensions

How To Order


Consult factory for other voltages, capacitance options and parts outside a given range.

The above example is of Presidio's Manufacturing part number.
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