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Product Detailed Parameters
- Description：FILTER SAW 73.5996MHZ 10SMD
- Series：-
- Mfr：Murata Electronics
- Package：Bulk
- Frequency - Center：73.5996MHz
- Bandwidth：3.73MHz
- Insertion Loss：9dB
- Ratings：-
- Applications：General Purpose
- Mounting Type：Surface Mount
- Package / Case：10-SMD, No Lead
- Height (Max)：0.079" (2.00mm)
- Size / Dimension：0.524" L x 0.256" W (13.30mm x 6.50mm)
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Overview
The Murata Electronics SF2021B is a Surface Acoustic Wave (SAW) bandpass filter designed for signal conditioning applications. It operates at a center frequency of 73.5996 MHz with a bandwidth of 3.73 MHz and an insertion loss of 9 dB. The component utilizes a 10-terminal SMD package and is currently listed as obsolete by the manufacturer.
Feature Summary
- Utilizes Surface Acoustic Wave technology for precise frequency selection
- Provides bandpass filtering characteristics for signal integrity
- Designed for surface-mount board integration
Applications
- Signal conditioning circuits requiring specific frequency filtering
- RF front-end modules operating near 73.6 MHz
- Communication systems utilizing SAW filter stages
Procurement Notes
Verify current availability status as the SF2021B is officially classified as obsolete or end-of-life by Murata Electronics. Confirm compatibility with existing designs before sourcing from secondary markets, as lead times and authenticity may vary significantly compared to active components.
Selection Notes
Select this component only if the design specifically requires a 73.5996 MHz center frequency with 3.73 MHz bandwidth. Due to its obsolete status, evaluate alternative active SAW filters from the same family that meet identical electrical specifications and package dimensions to ensure long-term supply chain stability.
Part Context
The SF2021B belongs to Murata's SAW filter portfolio, categorized under signal conditioning products. It is distinct from Murata's ceramic capacitors and feed-through capacitors, serving specifically as a frequency-selective element in RF pathways rather than a passive energy storage or EMI suppression device.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. As the component is obsolete, engineers must identify functional equivalents based on matching center frequency, bandwidth, insertion loss, and package footprint from other manufacturers or newer Murata series.
