Kurt Sterba’s Korner

Noise Filters - AC/DC

Store/RFI Solution Kits/Noise Filters - AC/DC

Our noise filters are designed to suppress common mode noise on AC/DC power lines, Switching Mode Power Supply (SMPS) input/output, and computer/instrumentation power input/output/control lines. Also suitable for PLC control line noise suppression (use mix 77/75 ferrite filters).

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3136934588 - Kurt Sterba's Korner
25-AMP (Peak) IN-LINE ELECTRONIC FILTER for 12 VOLTS DC, AUTOMOTIVE, RV RFI, ALTERNATOR, PULSE NOISE SUPPRESSION
25-AMP (Peak) IN-LINE ELECTRONIC FILTER for 12 VOLTS DC, AUTOMOTIVE, RV RFI, ALTERNATOR, PULSE NOISE SUPPRESSION
SKU RFI-N700
$49.95
3136886907 - Kurt Sterba's Korner
30-AMP (PEAK) IN-LINE TOROIDAL DC NOISE FILTER for 12 VOLTS, ALTERNATOR, PULSE NOISE SUPPRESSION
30-AMP (PEAK) IN-LINE TOROIDAL DC NOISE FILTER for 12 VOLTS, ALTERNATOR, PULSE NOISE SUPPRESSION
SKU RFI-N25
$34.95
982808146 - Kurt Sterba's Korner
AC Cable Noise Filter for Large Plugs - 3" ID
AC Cable Noise Filter for Large Plugs - 3" ID
SKU ACCF-3
$39.95
2654217921 - Kurt Sterba's Korner
AC Cable Noise Filter for Standard 120VAC Plugs - 1.4" ID
AC Cable Noise Filter for Standard 120VAC Plugs - 1.4" ID
SKU ACCF-1.4
$12.95
2908543316 - Kurt Sterba's Korner
AC Power Cord Choke + Power Cord- 120VAC RFI Range: 1-30 MHz, -28 dB Noise Reduction, 15 Amp
AC Power Cord Choke + Power Cord- 120VAC RFI Range: 1-30 MHz, -28 dB Noise Reduction, 15 Amp
SKU AC-CHOKE-6
$19.95
2654217921 - Kurt Sterba's Korner
Aquarium AC Filter for Heater, Water/Oxygen Pump RFI
Aquarium AC Filter for Heater, Water/Oxygen Pump RFI
SKU AACF-1.4
$12.95
982840128 - Kurt Sterba's Korner
Big Clamp On RFI Noise Filter for AC/DC power lines, Coax/Multi-wire cable - 1" ID
Big Clamp On RFI Noise Filter for AC/DC power lines, Coax/Multi-wire cable - 1" ID
SKU BCO31
$19.95
2654143998 - Kurt Sterba's Korner
DC Cable Noise Filter for 2 Gauge and Smaller Wire - 1.4" ID
DC Cable Noise Filter for 2 Gauge and Smaller Wire - 1.4" ID
SKU DCCF-1.4
$12.95
982840132 - Kurt Sterba's Korner
DC Cable Noise Filter for Large Gauge Wire - 3" ID
DC Cable Noise Filter for Large Gauge Wire - 3" ID
SKU DCCF-3
$39.95
On Sale
1025194824 - Kurt Sterba's Korner
DC Voltage Common Mode Noise Filter - Marine, RV, Communications, 600 Volts/30 Amps
DC Voltage Common Mode Noise Filter - Marine, RV, Communications, 600 Volts/30 Amps
SKU RFI-DC-30
List price $109.95
Save 18%
$89.95
1725564653 - Kurt Sterba's Korner
DC-AC Inverter Common Mode RFI/Noise Filter Kit for DC in and AC Output
DC-AC Inverter Common Mode RFI/Noise Filter Kit for DC in and AC Output
SKU RFI-INVERTER
$34.95
977476513 - Kurt Sterba's Korner
F240-31, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, AKA FT240-31
F240-31, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, AKA FT240-31
SKU F240-31-1
$9.99
On Sale
977476518 - Kurt Sterba's Korner
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Bulk Pack of 10
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Bulk Pack of 10
SKU F240-31-10
List price $100.00
Save 10%
$89.95
On Sale
977476518 - Kurt Sterba's Korner
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Mini Pack of 3
FT240-3I, ID=1.4", AC/DC/Coax Noise Filter, RFI Range 1-300 MHz, Mini Pack of 3
SKU F240-31-3
List price $34.95
Save 14%
$29.95
977476538 - Kurt Sterba's Korner
FT240-61, ID=1.4", RFI Range 200-2000 MHz
FT240-61, ID=1.4", RFI Range 200-2000 MHz
SKU F240-61-1
$16.95
977476558 - Kurt Sterba's Korner
FT240-61, ID=1.4", RFI Range 200-2000 MHz, Bulk Pack of 10
FT240-61, ID=1.4", RFI Range 200-2000 MHz, Bulk Pack of 10
SKU F240-61-10
$149.90
977476627 - Kurt Sterba's Korner
FT240-75, ID=1.4", AC/DC/Coax Noise Filter, RFI Range .15-10 MHz, 10 Pack
FT240-75, ID=1.4", AC/DC/Coax Noise Filter, RFI Range .15-10 MHz, 10 Pack
SKU F240-75-10
$99.95
3042762953 - Kurt Sterba's Korner
Power Pole DC Power Cord RFI/Noise Filter - up to 30dB Noise Reduction, 45 Amp Connectors
Power Pole DC Power Cord RFI/Noise Filter - up to 30dB Noise Reduction, 45 Amp Connectors
SKU PPNF-3
$34.95
1187030191 - Kurt Sterba's Korner
Switch Mode Power Supply (SMPS) Common Mode RFI/Noise Reduction Filter Kit
Switch Mode Power Supply (SMPS) Common Mode RFI/Noise Reduction Filter Kit
SKU RFI-SMPS
$27.95
1008627783 - Kurt Sterba's Korner
Wall Wart RFI Noise Filter Bulk Pack of 10 Filters
Wall Wart RFI Noise Filter Bulk Pack of 10 Filters
SKU RFI-WW-10
$29.95
982840116 - Kurt Sterba's Korner
Wall Wart RFI Noise Filter Bulk Pack of 100 filters
Wall Wart RFI Noise Filter Bulk Pack of 100 filters
SKU RFI-WW-100
$199.95
1008627776 - Kurt Sterba's Korner
Wall Wart RFI Noise Filter Pack (5 filters)
Wall Wart RFI Noise Filter Pack (5 filters)
SKU RFI-WW-5
$16.95
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