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Product Detailed Parameters
- Description：FILTER, SAW, 916.45 MHZ, 6SMD
- Series：-
- Mfr：RFMi
- Package：Tape & Reel (TR),Tape & Reel (TR),Bag
- Frequency - Center：916.45MHz
- Bandwidth：4MHz
- Insertion Loss：2.7dB
- Ratings：-
- Applications：General Purpose
- Mounting Type：Surface Mount
- Package / Case：6-SMD, No Lead
- Height (Max)：0.054" (1.38mm)
- Size / Dimension：0.118" L x 0.118" W (3.00mm x 3.00mm)
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Overview
The RFMi SF2201E is a surface-mount SAW bandpass filter designed for signal conditioning applications. It operates within a frequency range of 914.45 MHz to 918.45 MHz, with a center frequency of 916.45 MHz and a bandwidth of 4 MHz. The component features a 50 Ohm impedance and supports a rated voltage of 5 V. It exhibits an insertion loss of 2.7 dB and utilizes the SM-3030-6 package for board mounting.
Feature Summary
- Surface-mount SAW technology for compact integration
- Narrow 4 MHz bandwidth for precise channel selection
- 50 Ohm impedance matching for standard RF systems
Applications
- Wireless communication modules requiring narrowband filtering
- RF front-end signal conditioning circuits
- Industrial telemetry systems operating in the 915 MHz ISM band
Procurement Notes
Verify the specific datasheet version and RoHS compliance status directly with RFMi or authorized distributors before procurement. Confirm that the 5 V rating and 2.7 dB insertion loss meet your system requirements. Ensure compatibility with the SM-3030-6 footprint during PCB layout. Cross-reference part numbers to avoid confusion with similar SF series components.
Selection Notes
Select this component when a narrow 4 MHz bandwidth is required at approximately 916 MHz. The 5 V rating distinguishes it from lower-voltage variants like the SF2280E. Consider the 2.7 dB insertion loss impact on link budget. The SM-3030-6 package size should be evaluated against available board space constraints compared to other RFMi offerings.
Part Context
The SF2201E belongs to the RFMi SF series of surface-mount SAW filters. This series provides various center frequencies and bandwidths for different wireless standards. Unlike wider-bandwidth models such as the SF2236E (35 MHz), the SF2201E offers tighter spectral selectivity suitable for specific narrowband applications.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Evaluate alternative RFMi models based on required bandwidth and center frequency adjustments.
