CF 4-Pole Filter
Model: CF Series 4-Pole SMD Filter
Pole: 4
Nominal frequency: 21.4MHz, 21.7MHz, 45MHz, etc
Pass bandwidth: ±7.5KHz min./3dB
Insertion loss: 2dB max.
Size: 7.0×5.0×1.3mm
Applications: Radio communications, Cordless phones, Wireless communications, etc
Specifications and Dimensions


Typical 7.0×5.0×1.3mm, light weight and miniature SMD monolithic crystal filter

4 Pole function in a single package

Excellent guaranteed attenuation

Excellent shock and vibration resistance

Automatic mounting and reflow soldering

Applications: Radio communications, Mobile communications, Cordless phones, Cellular, Wireless communications, etc

RoHS Compliant / Pb-Free


TypeCF Series 4-Pole SMD Monolithic Filter
Nominal Frequency38.850MHz45.000MHz49.950MHz51.650MHz
Overtone OrderFundamentalFundamentalFundamentalFundamental
Pass Bandwidth±3.75KHz min./3dB±7.5KHz min./3dB±15KHz min./3dB±5KHz min./3dB
Stop Bandwidth±15KHz min./35dB±22KHz min./25dB±25KHz min./35dB±22KHz min./30dB
Ripple1dB max.1dB max.1dB max.1dB max.
Insertion Loss4.0dB max.4.0dB max.4.0dB max.4.0dB max.
Guaranteed Attenuation80dB min.80dB min.80dB min.80dB min.
Terminating Impedance560Ω//5pF600Ω//2pF400Ω//4.5pF400Ω//2.5pF
Operating Temperature-20~+70℃, or specify
Packing Unit1000pcs./reel

Dimensions [mm]


Copyright © Shenzhen Crystal Technology Industrial Co.,Ltd