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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Description Price 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 Stock No. 604-0256
Mfr. Part No.MEA2010L50R0
BrandTDK
SGD0.689
Each (In a Pack of 10)
units
- - - - - - - - - - - +85°C -40°C -
RS Stock No. 741-7010
Mfr. Part No.ACF321825-682-T
BrandTDK
SGD0.528
Each (In a Pack of 5)
units
ACF 300mA 20 V Surface Mount 75MHz Solder Pad ACF321825 3.2 x 2.5 x 1.8mm 2.5mm 1.8mm 3.2mm +85°C -25°C -
RS Stock No. 741-6998
Mfr. Part No.ACF321825-223-T
BrandTDK
SGD0.444
Each (In a Pack of 5)
units
ACF 300mA 20 V Surface Mount 55MHz Solder Pad ACF321825 3.2 x 2.5 x 1.8mm 2.5mm 1.8mm 3.2mm +85°C -25°C -
RS Stock No. 109-5283
Mfr. Part No.ACF321825-682-T
BrandTDK
SGD0.405
Each (On a Reel of 1000)
units
ACF 300mA 20 V Surface Mount 75MHz Solder Pad ACF321825 3.2 x 2.5 x 1.8mm 2.5mm 1.8mm 3.2mm +85°C -25°C -
RS Stock No. 109-5295
Mfr. Part No.ACF451832-103-T
BrandTDK
SGD0.39
Each (On a Reel of 1000)
units
ACF 300mA 50 V dc Surface Mount 75MHz Solder Pad - 4.5 x 1.6 x 3.2mm 1.8mm 3.2mm 4.5mm +85°C -25°C -
RS Stock No. 741-7026
Mfr. Part No.ACF451832-103-T
BrandTDK
SGD0.842
Each (In a Pack of 5)
units
ACF 300mA 50 V dc Surface Mount 75MHz Solder Pad - 4.5 x 1.6 x 3.2mm 1.8mm 3.2mm 4.5mm +85°C -25°C -
RS Stock No. 741-7067
Mfr. Part No.ACF451832-681-T
BrandTDK
SGD0.472
Each (In a Pack of 5)
units
ACF 300mA 50 V ac/dc Surface Mount 160MHz Solder Pad - 4.5 x 3.2 x 1.8mm 3.2mm 1.8mm 4.5mm - - -