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EMI/RFI Filter & Capacitor Performance Testing

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The resin sealed and hermetically sealed filters shown in this section have been designed to meet the requirements of this test plan as applicable. Group I tests are typically performed on most product. Groups II, III and IV tests are performed per specification requirements.

The information shown can be used as a basis for filter specifications. (Contact factory for additional details if necessary.)

Test
Group
Order
of
Test
Examination
or
Test
Test Method Post Test
Requirements
I *1 Visual and Mechanical Examination   In accordance with applicable requirements.
*2 Materials, Designs, Construction and Workmanship
*3 Physical Dimensions and Marking
*4 Seal Method 112†, Condition A No leaks. Not applicable to resin sealed or solder-in products.
*5 Capacitance Method 305†, 1KHz. 2.5 VRMS Max. 25°C Within specified tolerance.
*6 Dielectric Withstanding Voltage Method 301†, 2.5 times, DCWV, 5 seconds, 50 Ma max. charging current No evidence of damage or breakdown.
*7 Insulation Resistance Method 302† at DCWV, at 2 minutes 50 ma charging current Greater than 1000 megohms or 100 ohm farads, whichever is less.
*8 Voltage Drop MIL-F-15733, Paragraph 4.6.8 Per applicable requirements.
*9 Insertion Loss MIL-STD-220, 3pc, sample only Per applicable requirements.
II 1 Temperature Rise MIL-F-15733, Paragraph 4.6.4 Per applicable requirements.
2 Overload MIL-F-15733, Paragraph 4.6.10 Per applicable requirements.
3 Barometric Pressure Method 105†, Test Condition B hi-pot, (per method 301†) at 1.25 times DCWV No evidence of damage or breakdown.
4 Shock Method 213†, Test Condition I No mechanical damage, Insulation resistance greater than 500 ohm farads, whichever is less.
5 Vibration Method 204†, Test Condition B for Glass Seal, Condition D for Resin No mechanical damage, Insulation resistance greater than 500 megohms or 50 ohm farads, whichever is less.
6 Moisture Resistance Method 106† Insulation resistance greater than 500 megohms or 50 ohm farads whichever is less.
III 1 Terminal Strength Method 211†, Test Condition A, 5 lbs. No evidence of loosening or rupturing of terminal.
2 Resistance to Soldering Heat Method 210†, Test Condition B, Depth of immersion 1/16 plus or minus 1/32 Insulation resistance greater than 500 megohms or 50 ohm farads whichever is less.
3 Thermal Shock Method 107† Test Condition A -55°C to +125°C Insulation resistance greater than 500 megohms or 50 ohm farads whichever is less.
4 Immersion Cycling Method 104† Test Condition A Insulation resistance greater than 500 megohms or 50 ohm farads whichever is less.
IV 1 Solderability (5pcs only) Method 208† Per applicable requirements.
2 Life Method 108†, Test Condition D with 125% rated voltage at maximum operating temperature Filters shall meet all initial requirements except insulation resistance shall not be less than 50% of initial guaranteed value.
* Acceptance tests typically performed on most products.
† Methods are from MIL-STD-202

Performance Tests

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