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Order Number SF2138B-1

  • 144.132MHz SAW Filter
  • Bandwidth: 12.5 MHz @ 1 dB Passband
  • Max Insertion Loss: 16.5000 dB
  • Recommended In Production  

    Explanation of Product Status

    Under Development Products under development
    Please contact us for product availability and sample lead-time.
    In Production Product is in mass production.
    to be discontinued Not recommended for new designs. We are evaluating the schedule for the discontinuing of production of this item. Contact Murata or refer to the website for details of product supply and possible alternative product information.
    Discontinued product Production of this product has stopped. Contact Murata for inventory availability and possible alternative products.
    Recommended product This product is particularly recommended among our products currently in production.
    New product It's new item.


The SF2138B-1 is a 144.132 MHz, low insertion loss SAW filter in a 5.0 x 7.0 mm surface-mount case with a differential or single-ended input and output and complies with Directive 2002/95/EC (RoHS).
Product Type Filter
Frequency 144.132MHz
Bandwidth MHz (typical) 13.3
Insertion Loss (typ) 13.70 dB
Insertion Loss (max) 16.50 dB
Operating Temperature Range -40°C to +105C
Operating Temperature °C (min) -40
Operating Temperature °C (max) 105
Mounting Type 10-Terminal Ceramic Surface Mount Package (SMP)
Package SMP-03
Lid Symbol SF2138B-1
Dimension 7.0x5.0mm
Power Class No
Technology SAW
RoHs Compliant Yes
ISO9001 Yes
TS16969 Yes
Data Sheet Download PDF
Data Sheet Date Aug 24, 2017
RoHs File View
Key Markets SiriusXM
Key Applications SiriusXM
Order Number SF2138B-1
Packaging Tape and Reel
Shipping Size 7" @ 500 Units / Reel; 13" @ 2000 Units / Reel