Metallized Polypropylene Capacitors

   Type 32MPL
 
 


SPECIFICATIONS



DIELECTRIC WITHSTANDING VOLTAGE

200% of rated voltage applied through a minimum limiting resistance of 100 Ohms/Volt. Duration of voltage stress shall be 15 seconds minimum and 1 minute maximum at 25°C.




INSULATION RESISTANCE

At 25°C after 2 minutes of electrification at rated voltage or 500 VDC, whichever is less, the minimum product of Insulation Resistance and Capacitance shall be 100,000 megohms-microfarads, but need not exceed 100,000 megohms.




DISSIPATION FACTOR

Shall not exceed 0.1% when measured at 25°C and 1000 Hz, ±20 Hz. See characteristic curves for D.F. ratings at other temperatures.




CAPACITANCE AND TOLERANCE

Shall be measured within the tolerance limits specified. Measurements will be made at 25°C and 1000 Hz, ±20 Hz.




LIFE TEST

Shall withstand 140% of rated voltage at 105°C for 250 hours. One failure in twelve shall be permitted.




TEMPERATURE COEFFICIENT

Capacitance shall change linearly over operating temperature range range of -55°C to +85°C at rate of -290, ±75 parts per million/°C.




CAPACITANCE STABILITY (DRIFT)

Less than .2% when measured in the following manner: three capacitance readings at 25°C, each made prior to and after temperature cycling from room to 105°C, and room to -55°C. The mathematical difference between the two extremes, divided by the intermediate value, and then multiplied by 100, yields the stability expressed in percent.

 

FEATURES

  • Wrap and fill construction
  • Non-inductive extended foil design
  • Quality control procedures per Mil-Q-9858
  • Excellent long-term stability
  • Low ESR values (10-15 miliohms)

 

APPLICATIONS

  • Computers
  • Telecommunications
  • Data Processing
  • Industrial Instrumentation
  • Timing and Retrace Circuits
  • Sample and Hold Circuits
  • Integrating Networks
  • Audio Amplifiers
  • Switching Power Supplies




HUMIDITY RESISTANCE

Meets requirements of Mil-C-27287, Para. 3.12 when tested in accordance with Mil-STD.-202, Method 103 B, Condition B.

 

LEAD PULL AND BEND TEST

Steady pull of 5 pounds applied axially to leads for one minute. Bend test shall consist of one bend from the point of egress, first 90° in one direction, back to the original axial position, and then 90° in the opposite direction with no evidence of breakage.

TEMPERATURE RANGE

-55°C to +105°C with full rated voltage applied.

DIELECTRIC ABSORPTION

Shall not exceed .05% when tested in accordance with Mil-C-19978.

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