"BlackStone Power is a leading supplier of High Attenuation, Compact EMI filtering
products specifically targeted to passing MIL-STD-461 with COTS equipment. Our
products provide industry leading power solutions for the most commonly found power
busses in military equipment, 28VDC and 24VDC. BlackStone's power products are built
to meet or exceed MIL-STDs 810F, 167-1, 461E/F, and MIL-S-901D. BlackStone Power
also has the capability to develop custom solutions for unique needs such as Single
Phase 120/240VAC, 3 Phase 400Hz AC, 48VDC, etc. We invite you to take a closer look at
our unique products to learn how we can contribute to the success of your project."

Request more Information about a BlackStone Power Filter now.



The major difference between MIL-STD-461 and commercial EMI specs such as FCC and DO-160 is the
measurement of conducted emissions all the way down to 10kHz. Most EMI specifications do not measure
conducted emissions below 150kHz. The result of these commercial specifications is that the vast majority of
COTS power supplies and equipment is designed such that the nasty emissions are kept below 150kHz and thus
off the radar for commercial EMI testing.


 
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