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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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庫存編號 105-861
製造零件編號NFM18CC222R1C3D
BrandMurata
HK$1.816
個 (以毎袋:25)
單位
NFM18C 700mA 16 V dc Surface Mount - Solder Pad 0603 (1608M) 1.6 x 0.8 x 0.6mm 0.8mm 0.6mm 1.6mm +125°C -55°C -
RS庫存編號 741-6998
製造零件編號ACF321825-223-T
BrandTDK
HK$2.108
/個 (每包:5個)
單位
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庫存編號 167-5633
製造零件編號NFM21CC471R1H3D
BrandMurata
HK$1.326
個 (在毎卷:4000)
單位
NFM21C 1A 50 V dc Surface Mount - Solder Pad 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +125°C -55°C -
RS庫存編號 725-7376
製造零件編號NFE31PT471F1E9L
BrandMurata
HK$2.527
/個 (每包:10個)
單位
NFE31P 6A 25 V dc Surface Mount - Solder Pad - 3.2 x 1.6 x 1.6mm 1.6mm 1.6mm 3.2mm +85°C -40°C -
RS庫存編號 741-7004
製造零件編號ACF321825-331-T
BrandTDK
HK$2.108
/個 (每包:5個)
單位
ACF 300mA 20 V Surface Mount 210MHz Solder Pad ACF321825 3.2 x 2.5 x 1.8mm 2.5mm 1.8mm 3.2mm +85°C -25°C -
RS庫存編號 167-4845
製造零件編號SFECF10M7EA00-R0
BrandMurata
HK$9,660.00
毎卷:2000 個
Reel(s)
SFECF10M7 - - Surface Mount 10.7MHz Flat Contact - 3.45 x 3.1 x 1.3mm 3.1mm 1.3mm 3.45mm +80°C -20°C -
RS庫存編號 163-2699
製造零件編號NUF4401MNT1G
HK$1.49
個 (在毎卷:3000)
單位
NUF4401MN - - Surface Mount 2400MHz Solder Pad - 2 x 2 x 1mm 2mm 1mm 2mm +85°C -40°C -
RS庫存編號 167-5629
製造零件編號NFL21SP506X1C3D
BrandMurata
HK$1.45
個 (在毎卷:4000)
單位
NFM21C 150mA 16 V dc Surface Mount - Solder Pad 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +125°C -55°C -
RS庫存編號 773-8658
製造零件編號1806Y0500224MXTE07
HK$21.00
/個 (每包:5個)
單位
E07 2A 50 V dc Surface Mount 17MHz Solder Pad 1806 (4516M) 4.5 x 1.6 x 1.1mm 1.6mm 1.1mm 4.5mm +125°C -55°C -
RS庫存編號 880-5285
製造零件編號ECMF02-4CMX8
HK$5.946
/個 (每包:10個)
單位
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庫存編號 106-5393
製造零件編號NFA21SL806X1A48L
BrandMurata
HK$1.346
/個 (每包:20個)
單位
NFA21SL 20mA 10 V dc Surface Mount - Solder 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +125°C -55°C 75pF
RS庫存編號 166-9599
製造零件編號NFM21PC105B1C3D
BrandMurata
HK$3,634.40
毎卷:4000 個
Reel(s)
NFM21P 4A 16 V dc Surface Mount - Solder Pad 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +85°C -40°C -
RS庫存編號 170-6597
製造零件編號0805Y1000102MXTE01
HK$11,758.75
毎卷:3000 個
Reel(s)
E01 300mA 100 V dc Surface Mount 220MHz Solder Pad 0805 (2012M) 2 x 1.25 x 1mm 1.25mm 1mm 2mm +125°C -55°C -
RS庫存編號 773-8636
製造零件編號0805Y1000102MXTE01
HK$4.54
/個 (每包:5個)
單位
E01 300mA 100 V dc Surface Mount 220MHz Solder Pad 0805 (2012M) 2 x 1.25 x 1mm 1.25mm 1mm 2mm +125°C -55°C -
RS庫存編號 166-9881
製造零件編號NFA21SL506X1A48L
BrandMurata
HK$4,993.48
毎卷:4000 個
Reel(s)
NFA21SL 20mA 10 V dc Surface Mount - Solder 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +125°C -55°C 80pF
RS庫存編號 102-3484
製造零件編號NUF6401MNT1G
HK$1.12
個 (在毎卷:3000)
單位
NUF6401MN - - Surface Mount 3000MHz Solder Pad - 3 x 1.35 x 1mm 1.35mm 1mm 3mm +85°C -40°C -
RS庫存編號 161-8026
製造零件編號NFL21SP107X1C3D
BrandMurata
HK$1.05
個 (在毎卷:4000)
單位
NFL21SP 200mA 16 V dc Surface Mount - Flat Contact 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +125°C -55°C -
RS庫存編號 839-1042
製造零件編號NFM31PC276B0J3L
BrandMurata
HK$4.274
個 (以毎袋:5)
單位
NFM31PC 6A 6.3 V dc Surface Mount - Flat Contact 1206 (3216M) 3.2 x 1.6 x 1.3mm 1.6mm 1.3mm 3.2mm +85°C -40°C -
RS庫存編號 106-2892
製造零件編號SFSKA5M50CF00-R3
BrandMurata
HK$19.192
/個 (每包:5個)
單位
SFSKA - - Surface Mount 5.5MHz Solder - 8.5 x 3.8 x 1.8mm 3.8mm 1.8mm 8.5mm - - -
RS庫存編號 725-7402
製造零件編號NFM21CC102R1H3D
BrandMurata
HK$1.538
/個 (每包:10個)
單位
NFM21C 1A 50 V dc Surface Mount - Solder Pad 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +125°C -55°C -