Custom Capacitors - Wright Capacitors, Inc.

Wright Capacitors, Inc.

MATERIAL SPECIFICATIONS

All products meet or exceed the following:

MECHANICAL

Dimensions and Configuration: As shown on
        product sheet.
Case: "C" P/N Conformal Epoxy Coating, "P"
        P/N RTV or Epoxy potted in a Diallyl Phthalate
        or fiberglass shell.
Lead Material: Ni or Sn plated copper.
        Dimensions as specified 22 or 24
        AWG Standard.

Terminal Strength: Per MIL-STD-202, method 211,
        Test Condition A.
Marking: Per MIL-STD-1 285, depending on space
        available in the following order of preference:
        manufacturer I.D. (WCI) capacitance and tolerance,
        voltage, lot number, size or part number.

ELECTRICAL

Voltage Rating: as shown on product sheet.
Operating Temperature Range:
        Class I and II: -55° to + 125°C
        (higher temperature to 300°C available)
        Class III: Z5U + 10° to 85°C.
Temperature Characteristics: Method 302
        NPO:+ 30ppm/°C
        N2200: 2200ppm/°C
        X7R: ± 15%
        Z5U: + 22%, -56%
        Y5V: + 22%, -82%
Voltage Characteristics:
        Class I: 0%
        Class II: BR=+15%, -40% with rated voltage
                     BZ: +15%, -45% at 60% rated voltage.
        Class III: see performance curves.
Capacitance: Per MIL-STD-202, Method 305 @ 25°
        NPO<100pF @ 1MHz, 1.2 VRMS Max
        NPO>100pF & X7R @ 1KHz, 1.0 +.2 VRMS
        Class III @ 1KHz and .5 VRMS

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Dissipation Factor: @ 25°C
         Class I: .15% max
         Class II: 2.5% max
         Class III: 3.0% max
Insulation Resistance: Per MIL-STD-202
        Class I & II lesser of 100KmΩ/1000mΩ-μF
        @125 °C, lesser of 10KmΩ/100mΩ-μF
        Class III: lesser of 10KmΩ/ 100m Ω-μF
        @125°C, lesser of 1KmΩ/ 10mΩ-μF
Dielectric Withstand Voltage (Flash Test):
         Per MIL-STD-202, Method 301, 5sec,
        <10mA <500 VDC: 250% rated voltage
         500 VDC to 1KV: 150% rated voltage
        >1KV: 120% rated voltage- to be tested
         in a non-corrosive fluid.
Body Insulation: 1000VDC per MIL-PRF-49467
Partial Discharge: (Corona) per MIL-PRF-49467

ENVIRONMENTAL (Non-Standard Testing)

Thermal Shock: Method 107 of MIL-STD-202
         and MIL-PRF-49467
Voltage Conditioning: 96 Hours minimum at
         125°C per MIL-PRF-49467
Low Temperature Storage: 8 hours at -65°C
Solderability: MIL-STD-202, Method 208
        except Sn 62 for chips
Voltage Temperature Characteristic: Per para
         4.8.10, MIL-PRF-49467
Vibration (High Frequency): Method 204 of
         MIL-STD-202., Condition D (20 G's)
Immersion Cycling: Method 104 of
        MIL-STD-202, Test Condition B
Shock: Method 213 of MIL-STD-202, Test
        Condition 1 (100 G's)
Terminal Strength: Method 211 per
        MIL-STD-202, Test Condition A (5 lbs.)
Resistance to Solder Heat: Method 210 of
        MIL-STD‑ 202, Test Condition C and
        MIL-PRF-49467
Moisture Resistance: Method 106 of
        MIL-STD-202 and MIL-PRF-49467.

Fungus: Method 508 of MIL-STD-202
Resistance to Solvents: Method 215 of MIL-STD-202
Life Test: Class I and II @ 125°C, Class III @ 85°C
        per MIL-PRF-49467 Para 4.8.18
Group A Inspection: As required by contract or
        specification. (MIL-PRF-49467 STD)
Group B Inspection: As required by contract specification
        (MIL-PRF-49467 STD)
Barometric Pressure: MIL-STD-202, Method 106,
        Condition E
Other testing available, consult factory.
Reference Documents:
        MIL-PRF-49467-Leaded
        MIL-PRF-55681 -Chips
        MIL-STD-202-Testing
        EIA RS469-Ceramic Capacitor