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 812-0222
製造零件編號TPD8F003DQDR
HK$5.137
Each (On a Tape of 25)
單位
- - - Surface Mount 200MHz Flat Contact WSON 3.4 x 1.45 x 0.75mm 1.45mm 0.75mm 3.4mm +85°C -40°C -
RS庫存編號 188-8844
製造零件編號2337824-2
HK$59.129
個 (在毎卷:350)
單位
- - - - - - - - - - - - - -
RS庫存編號 167-5519
製造零件編號NFE31PT152Z1E9L
BrandMurata
HK$2.10
個 (在毎卷:2000)
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 881-3191
製造零件編號748323056
HK$15.90
個 (以毎袋:5)
單位
WE-BPF - - Surface Mount - Solder Pad - 2 x 1.25 x 0.9mm 1.25mm 0.9mm 2mm +85°C -40°C -
RS庫存編號 741-6998
製造零件編號ACF321825-223-T
BrandTDK
HK$2.494
/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 604-0256
製造零件編號MEA2010L50R0
BrandTDK
HK$5.264
/個 (每包:10個)
單位
- - - - - - - - - - - +85°C -40°C -
RS庫存編號 188-9061
製造零件編號2337826-1
HK$133.255
/個 (每包:2個)
單位
- - - - - - - - - - - - - -
RS庫存編號 871-2026
製造零件編號NFM21PC225B0J3D
BrandMurata
HK$1.87
個 (以毎袋:25)
單位
NFM21PC 4A 6.3 V dc Surface Mount - Flat 0805 (2012M) 2 x 1.25 x 0.85mm 1.25mm 0.85mm 2mm +85°C -40°C 2.2µF
RS庫存編號 106-044
製造零件編號NFM18PC104R1C3D
BrandMurata
HK$1.36
個 (以毎袋:25)
單位
NFM18C 2A 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 163-7498
製造零件編號748323155
HK$12.953
個 (在毎卷:4000)
單位
WE-BPF - - Surface Mount - Solder Pad - 2 x 1.25 x 0.95mm 1.25mm 0.95mm 2mm +85°C -40°C -
RS庫存編號 239-191
BrandOxley
HK$139.54
單位
FLTM 10A 350 V dc Panel Mount 1000MHz - - 4.7 (Dia.) x 32.7mm - 22.2mm 32.7mm +85°C -55°C 1.5nF
RS庫存編號 463-773
製造零件編號NUF4401MNT1G
HK$3.88
/個 (每包:10個)
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 166-9593
製造零件編號NFM18CC101R1C3D
BrandMurata
HK$1.088
個 (在毎卷:4000)
單位
NFM18C 500mA 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 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 167-4802
製造零件編號NFM31PC276B0J3L
BrandMurata
HK$3.969
個 (在毎卷:3000)
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 161-8040
製造零件編號NFE31PT220R1E9L
BrandMurata
HK$2.16
個 (在毎卷:2000)
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 239-185
BrandOxley
HK$146.44
單位
DLT4 10A 200 V dc Panel Mount 10000MHz - - 36mm - 22mm 36mm +125°C -55°C 22nF
RS庫存編號 725-7430
製造零件編號NFM3DCC471R1H3L
BrandMurata
HK$4.58
/個 (每包:10個)
單位
NFM3DC 300mA 50 V dc Surface Mount - Solder Pad - 3.2 x 1.25 x 0.7mm 1.25mm 0.7mm 3.2mm +125°C -55°C -
RS庫存編號 106-2889
製造零件編號SFECF10M7FA00-R0
BrandMurata
HK$17.97
/個 (每包:5個)
單位
SFECF - - Surface Mount 10.7MHz Solder - 3.45 x 3.1 x 1.3mm 3.1mm 1.3mm 3.45mm +80°C -20°C -
RS庫存編號 105-940
製造零件編號NFM18CC101R1C3D
BrandMurata
HK$2.17
個 (以毎袋:25)
單位
NFM18C 500mA 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 -