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Power line filter modules are modularized passive component assemblies that are used to inhibit current flow through power supply conductors at frequencies outside that which is nominal for the intended supply. Commonly used in conjunction with AC utility power sources, they are used both to mitigate interference caused by outside sources as well as suppress potential interference which might be caused by a connected device.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() FTB-80-663 $780.22 | Cosel USA, Inc. | LINE FILTER 500VAC 80A CHASS MNT | Box | Chassis Mount | FTB | -40°C ~ 85°C | |
![]() FTB-80-663-H $987.69 | Cosel USA, Inc. | LINE FILTER 500VAC 80A CHASS MNT | Box | Chassis Mount | FTB | -40°C ~ 85°C | |
![]() FTB-80-663-HS $1,000.79 | Cosel USA, Inc. | LINE FILTER 500VAC 80A CHASS MNT | Box | Chassis Mount | FTB | -40°C ~ 85°C | |
![]() G10-10E $47.57 | Tri-Mag, LLC | LINE FILTER, 250VAC, 10A, CHASSI | Bulk | - | - | - | |
![]() G10-7E $37.40 | Tri-Mag, LLC | LINE FILTER, 250VAC, 10A, PANEL | Bulk | - | - | - | |
![]() G20-4 $71.78 | Tri-Mag, LLC | LINE FILTER, 250VAC, 20A, CHASSI | Bulk | - | - | - | |
![]() G3-3 $49.34 | Tri-Mag, LLC | EMI FILTER, SINGLE PHASE, 3A | Bulk | - | - | - | |
| KEMET | LINE FILTER 250VAC/VDC 5A CHASS | Box | Chassis Mount | GF | -20°C ~ 55°C |

Understand RF attenuator dB values, fixed and programmable types, impedance, power limits and noise tradeoffs before choosing parts for an RF signal path.
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