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MH Series- Metallized Plastic Film

Specifically developed for 400Hz 125°C AC filtering in aerospace and marine applications

Key Features

  • 125°C operation without derating
  • Rated AC voltage: 160VAC at 400Hz
  • Environmentally sealed hermetic packaging
  • Dual screened through 100% burn-in at 125°C
  • Proven 125°C dielectric system established
  • in 400Hz AC filtering applications

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­Hermetically Sealed 125°C AC Capacitor

The MH series hermetically sealed capacitors are specifically designed for 400Hz AC filtering in high reliability applications.  ECI’s 125⁰C metallized dielectric system, combined with unique proprietary process development, yields superior performance and electrical characteristics to traditional 125⁰C dielectric choices like polycarbonate or PPS.  MH style capacitors have been employed in critical aerospace and marine 400Hz AC applications since 2002.  ECI’s critical process development and testing insures our customers receive only the highest reliability capacitors.

Additional Information

Capacitance Range

  • 0.33µF to 8.0µF

Capacitance Tolerance

  • Standard capacitance tolerance is ±5%
  • Tolerance of ±20%, ±10% and ±3% are available upon request

Operating Temperature Range

  • -55°C to +125°C without derating

Enclosure/ Construction

  • Hermetically sealed in metal tubes with glass-to-metal solder-sealed terminals

Voltage Rating

  • 160VAC
  • 250VDC

Quality Control

  • Capacitors are tested 100% for:
    • Capacitance
    • Tolerance
    • Dissipation Factor
    • Dielectric withstanding voltage
    • Insulation Resistance
    • 125°C Peak DC Burn-in
    • 125°C 400Hz AC Burn-in

*Process and inspection data are maintained on file and available on special request.

Environmental

ParameterMethodCondition
Vibration204D
Immersion104B
Shock213I
Humidity106
Thermal Shock107A
Life108F
Reference MIL-STD 202
EC PART NUMBERVALUE (µF)VOLTAGE (VDC)VOLTAGE (VAC)I Peakdv/dtDIAMETERLENGTHAWG
MH_2F334_ 0.33 250 160 120 363 0.500 0.875 #20
MH_2F684_ 0.68 250 160 247 363 0.700 0.875 #18
MH_2F105_1.02501601261260.5001.500#20
MH_2F175_1.7250160129760.5002.125#20
MH_2F505_5.02501606281261.0001.500#18
MH_2F805_8.0250160607761.0002.125#18

Notes:
Other values and voltages available upon request.

Please add 0.030" to diameter and length for insulating sleeve.


MH Series

Part NumberVALUEVDCVACXc 400Hz
(ohms)
120 vac
Irms (amps)
140 vac
Irms (amps)
160 vac
Irms (amps)
MH_2F334_0.332501601205.70.1000.1160.133
MH_2F684_0.68250160585.10.2050.2390.273
MH_2F105_1.0250160397.90.3020.3520.402
MH_2F175_1.7250160234.10.5130.5980.684
MH_2F505_5.025016079.61.5081.7592.011
MH_2F805_8.025016049.72.4132.8153.217

 

 

 

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