Signal Filters

A Signal Filter is a passive component, which allows specific frequency bands to pass and reject other electrical signals, mainly for noise reduction. The design integrates multilayer ceramic capacitors, inductors, dielectric resonators and crystals.
The Filter finds use in circuits of audio, video, broadband and communication equipment. Electronic signal processing filter is described to be linear or non-linear, analogue or digital, shift invariance, passive or active circuit.

The filter frequency response can be classified as:

  • high-pass
  • low-pass
  • band-pass
  • band-stop
  • notch
  • all-pass filter
  • cut-off frequency.

The order of a filter refers to the slope of the transition to roll-off around the cut-off frequency. A first-order filter responds at -6 dB per octave, a second-order filter decreases at -12 dB, a third-order at -18 dB, on a logarithmic scale. The analogue filter in a linear design of a network synthesis type is known as the Butterworth filter, Chebyshev filter, Elliptic filter, Bessel filter and Gaussian filter.

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Filters

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Omschrijving Prijs Series Maximum Current Rating Maximum Voltage Rating Mounting Type Operating Frequency Termination Style Package/Case Dimensions Depth Height Length Maximum Operating Temperature Minimum Operating Temperature Capacitance
RS-stocknr. 880-5276
FabrikantnummerECMF02-2AMX6
€ 0,588
Each (In a Pack of 20)
Aantal stuks
ECMF02 200mA - Surface Mount - Flat Contact μQFN 1.8 x 1.6 x 0.5mm 1.6mm 0.5mm 1.8mm +85°C -40°C -
RS-stocknr. 165-5521
FabrikantnummerECMF02-2AMX6
€ 0,331
Each (On a Reel of 3000)
Aantal stuks
ECMF02 200mA - Surface Mount - Flat Contact μQFN 1.8 x 1.6 x 0.5mm 1.6mm 0.5mm 1.8mm +85°C -40°C -
RS-stocknr. 165-5517
FabrikantnummerUSBDF01W5
€ 0,493
Each (On a Reel of 3000)
Aantal stuks
USBDF - - Surface Mount 30 MHz → 1 GHz (Radiated), 450 kHz → 30MHz (Conducted) Gull Wing SOT323 1.4 x 2.2 x 1mm 2.2mm 1mm 1.4mm +150°C -40°C -
RS-stocknr. 880-5522
FabrikantnummerUSBDF01W5
€ 0,577
Each (In a Pack of 25)
Aantal stuks
USBDF - - Surface Mount 30 MHz → 1 GHz (Radiated), 450 kHz → 30MHz (Conducted) Gull Wing SOT323 1.4 x 2.2 x 1mm 2.2mm 1mm 1.4mm +150°C -40°C -
RS-stocknr. 165-5540
FabrikantnummerECMF02-4CMX8
€ 0,314
Each (On a Reel of 3000)
Aantal stuks
ECMF02 - - Surface Mount - Flat Contact μQFN 2.6 x 1.3 x 0.6mm 1.3mm 0.6mm 2.6mm +85°C -30°C -
RS-stocknr. 880-5285
FabrikantnummerECMF02-4CMX8
€ 0,657
Each (In a Pack of 10)
Aantal stuks
ECMF02 - - Surface Mount - Flat Contact μQFN 2.6 x 1.3 x 0.6mm 1.3mm 0.6mm 2.6mm +85°C -30°C -