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SAW Filter for Radio Communication
  • A low-loss filter.
  • Compact. (7.0×5.0mm)
  • Excellent Guaranteed attenuation.
WF748D0140CD  Picture
RoHS Pb free
Item min. typ. max.
Nominal frequency : f0 (MHz) - 140 -
Insertion loss (dB) at Fc - - 11
passband width
(rel to Fc)
1dB passband width (MHz) 21 - -
3dB passband width (MHz) 23.9 - -
35dB passband width(In Band) (MHz) - - 34
Ripple(@Fc±10MHz) (dB) - - 1.0
Phase linearity(@Fc±10MHz) (deg.) - - 14
Group delay time ripple (@Fc±10MHz) (ns) - - 100
Absolute delay time@Fc(is) - 0.76 -
Out Band
(rel to Fc)
Guaranteed attenuation (dB)@Fc-20MHz 40 - -
Guaranteed attenuation (dB)@Fc-20MHz 33 - -
Operating temperature range (°C) +23 - +27
Terminating Impedance 50 (with matching)
When ordering or inquiring for SAW devices, please let us know the model.
The above specifications are standard for this NDK product. Please contact NDK sales with your enquiries. WF748D0140CD dimension Printer-friendly PDF 
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