Knowles Precision Devices Datasheets for EMI Filters and RFI Filters
Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals of unwanted noise by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI.
EMI Filters and RFI Filters: Learn more
| Product Name | Notes |
|---|---|
| Construction The resin sealed panel mount filter ranges feature silver plated brass bodies and copper alloy pins. In all cases the capacitive element is a low ESR high performance discoidal... | |
| The SBSG range has a 5A current rating for the Pi type, and 10A rating for the C type. Suitable for pick-and-place, these miniature surface mount filters offer assembly savings... | |
| The SBSM range of surface mount EMI filters has been designed for use on pcbs, and is suitable for both signal and power lines. Capacitance values up to 470nF are... | |
| The SFAA range of feed-through EMI filters combines a 4-40 UNC thread with a 4.0mm (0.157") hexagonal head. Available in 'C' configuration, the capacitance range is from 10pF to 150nF,... | |
| The SFAB range of feed-through EMI filters combines a 6-32 UNC thread with a 4.0mm (0.157") hexagonal head, available with or without nuts and washers. Available in 'C' and L-C... | |
| The SFAJ range of feed-through EMI filters combines an M3 thread with a 4.0mm (0.157") hexagonal head, available with or without nuts and washers. Available in 'C' and L-C configurations,... | |
| The SFAK range of feed-through EMI filters combines an M3.5 thread with a 4.0mm (0.157") hexagonal head, available with or without nuts and washers. Available in 'C', 'L-C' and the... | |
| The SFBC range of feed-through EMI filters combines an 8-32 UNC thread with a 4.75mm (0.187") hexagonal head, available with or without nuts and washers. Available in 'C', L-C and... | |
| The SFBD range of feed-through EMI filters combines a 12-32 UNEF thread with a 4.75mm (0.187") hexagonal head, available with or without nuts and washers. Available in 'C', L-C, 'T'... | |
| The SFBL range of feed-through EMI filters combines an M4 thread with a 4.75mm (0.187") hexagonal head, available with or without nuts and washers. Available in 'C', L-C and pi-section... | |
| The SFBM range of feed-through EMI filters combines an M5 thread with a 4.75mm (0.187") hexagonal head, available with or without nuts and washers. Available in 'C', L-C, 'T' and... | |
| The SFCD range of feed-through EMI filters combines a 12-32 UNEF thread with a 6.35mm (0.250") hexagonal head, available with or without nuts and washers. Available in 'C', L-C and... | |
| The SFCM range of feed-through EMI filters combines an M5 thread with a 6.35mm (0.250") hexagonal head, available with or without nuts and washers. Available in 'C' and L-C configurations,... | |
| The SFDP range of feed-through EMI filters provides high current capability and impressive insertion loss over a wide frequency band, thanks to the high capacitance values available. With an M8... | |
| The SFJG range of feed-through EMI filters provides impressive insertion loss over a wide frequency band, thanks to the high capacitance values available. With a 1/4-28 UNF thread, they are... | |
| The SFJN range of feed-through EMI filters provides impressive insertion loss over a wide frequency band, thanks to the high capacitance values available. With an M6 thread and a 9.80mm... | |
| The SFKB range of feed-through EMI filters combines a 6-32 UNC thread with a 4.4mm (0.173") round body to provide a miniature screw-in filter suitable for very close pitching. A... | |
| The SFKK range of feed-through EMI filters combines an M3.5 thread with a 4.4mm (0.173") round body to provide a miniature screw-in filter suitable for very close pitching. A special... | |
| The SFLM range of feed-through EMI filters combines an M5 thread with a 6.0mm (0.236") round body to provide a miniature screw-in filter suitable for very close pitching. A special... | |
| The SFSR feed-through EMI filters are designed for soldering direct to a chassis or panel, and are suitable for hole diameters of 2.9mm (0.114"). Featuring a metal body and epoxy... | |
| The SFSS range consists of a discoidal capacitor soldered to a feed-through pin, offering a low-cost, low-profile panel mount filter. Available in 5 different diameters from 2.3mm, capacitance values range... | |
| The SFST feed-through EMI filters are designed for soldering direct to a chassis or panel, and are suitable for hole diameters of 3.5mm (0.138"). Featuring a metal body and epoxy... | |
| The SFSU feed-through EMI filters are designed for soldering direct to a chassis or panel, and are suitable for hole diameters of 5.8mm (0.228"). Featuring a metal body and epoxy... | |
| The SFTM range of feed-through EMI filters is designed with an exceptionally short body, for applications where minimal protrusion from the panel is required. With an overall body length of... | |
| The SFUM range of feed-through EMI filters is designed with an exceptionally short body, for applications where minimal protrusion from the panel is required. With an overall body length of... | |
| The Syfer balanced line filter is a 2-pin panel mounting device suitable for balanced lines and twisted pairs. It is ideal for passing lines through a bulkhead, and the feed-through... | |
| The Syfer E01 and E07 ranges of feedthrough MLCC chip ‘C’ filters are 3 terminal chip devices designed to offer reduced inductance compared to conventional MLCCs when used in signal... | |
| The Syfer X2Y Integrated Passive Component is a 3 terminal EMI chip device. When used in balanced line applications, the revolutionary design provides simultaneous line-to-line and line-to-ground filtering, using a... | |
| With a size of only 1206, the SBSP range of surface mount pi-filters offers an unbeatable combination of size and performance. With a 1A current rating, they are available with... |