FCom Fuji Crystal · FSF-5050 Series
FSF-5050 SAW Filters — 76.5–1000 MHz Frequency Collection
FSF-5050 series
Find frequency options for IF and RF designs in a compact 5.0 × 5.0 mm SMD package. Compare the frequency listings below, then open the selected product page for model-specific specifications, matching details, and downloadable datasheets.
Frequency Catalog
Select a Frequency Listing
Listed ranges group frequency options; they do not indicate one continuous passband. Confirm exact frequencies and electrical specifications on the product page.
Searches include overlapping groups. Confirm exact frequencies and electrical specifications on the product page.
47 of 47 product listings
| Frequency options | Product listing | Package | Details |
|---|---|---|---|
| 76.5 MHz | FSF-5050 76.5 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 149–149.64 MHz | FSF-5050 149–149.64 MHzGrouped frequency options | 5.0 × 5.0 mm | View product |
| 155 MHz | FSF-5050 155 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 162–169.4 MHz | FSF-5050 162–169.4 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 171 MHz | FSF-5050 171 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 180–188.175 MHz | FSF 180–188.175 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 200 MHz | FSF-5050 200 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 218.5–219.5 MHz | FSF-5050 218.5–219.5 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 220–221.6 MHz | FSF-5050 220–221.6 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 230–234 MHz | FSF-5050 230–234 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 246–250 MHz | FSF-5050 246–250 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 262–268 MHz | FSF-5050 262–268 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 280–285 MHz | FSF-5050 280–285 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 291.4 MHz | FSF-5050 291.4 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 309–319.5 MHz | FSF-5050 309–319.5 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 340–345 MHz | FSF-5050 340–345 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 352–354.5 MHz | FSF-5050 352–354.5 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 364.5–367.5 MHz | FSF-5050 364.5–367.5 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 387.5–388.5 MHz | FSF-5050 387.5–388.5 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 390–394 MHz | FSF-5050 390–394 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 400–408.5 MHz | FSF-5050 400–408.5 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 413–415.4 MHz | FSF-5050 413–415.4 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 420–427.8 MHz | FSF-5050 420–427.8 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 433–435 MHz | FSF-5050 433–435 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 440–446 MHz | FSF-5050 440–446 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 458.5 MHz | FSF-5050 458.5 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 460–465 MHz | FSF-5050 460–465 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 470–475 MHz | FSF-5050 470–475 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 480 MHz | FSF-5050 480 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 499–499.25 MHz | FSF-5050 499–499.25 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 500–504 MHz | FSF-5050 500–504 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 554 MHz | FSF-5050 554 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 584 MHz | FSF-5050 584 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 604.5–609.9 MHz | FSF-5050 604.5–609.9 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 611–618.25 MHz | FSF-5050 611–618.25 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 638 MHz | FSF-5050 638 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 656 MHz | FSF-5050 656 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 674 MHz | FSF-5050 674 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 713 MHz | FSF-5050 713 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 743 MHz | FSF-5050 743 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 757.5 MHz | FSF-5050 757.5 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 787.5 MHz | FSF-5050 787.5 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 862.5–869.6 MHz | FSF-5050 862.5–869.6 MHzGrouped options | 5.0 × 5.0 mm | View product |
| 886 MHz | FSF-5050 886 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 916.3 MHz | FSF-5050 916.3 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 974.3 MHz | FSF-5050 974.3 MHzSingle frequency | 5.0 × 5.0 mm | View product |
| 1000 MHz | FSF-5050 1000 MHzSingle frequency | 5.0 × 5.0 mm | View product |
Selection Notes
Key Parameters to Confirm
Confirm the complete specification with the selected product datasheet before finalizing your design.
Center Frequency and Bandwidth
Select the center frequency closest to your target band and check the passband limits for the exact model. A listed range groups frequency options; it does not define one continuous passband.
Insertion Loss and Ripple
Review insertion loss, ripple, and rejection against your system requirements and the stated test conditions. Lower IL helps preserve sensitivity margin; ripple affects passband flatness and BER/EVM.
Matching and Integration
Confirm pin connections and source/load conditions. Verify performance with the specified matching network on your PCB. LC matching can affect ripple and stopband rejection significantly.
Electrical values and matching conditions must be checked for the selected part; they cannot be inferred from package size alone.
Integration Notes
Board-Level Considerations
Interface and Matching
Most FSF-5050 models are characterized with 50 Ω source/load terminations. Some models require external LC matching networks to optimize passband flatness and stopband rejection. Confirm the required termination and matching topology on the specific product page.
PCB Layout and Evaluation
Keep critical traces short and symmetrical to reduce parasitic effects. Maintain a continuous ground plane with adequate via grounding near the package. Validate with S21 measurements on the actual board rather than relying on simulation alone.
Engineering Questions
Frequently Asked Questions
What frequencies does the FSF-5050 collection cover?
The collection links to product listings from 76.5 to 1000 MHz. Some listings contain multiple frequency options; open the product page to confirm the exact available frequencies and electrical specifications.
Does a listed frequency range represent one continuous passband?
No. A range in this catalog groups frequency options on a linked product page. It does not specify the bandwidth of one filter or guarantee that every frequency in the interval is available.
Where can I find bandwidth, insertion loss, and matching information?
Open the relevant product page and review its model-specific datasheet. Electrical values and matching conditions must be checked for the selected part; they cannot be inferred from package size alone.
Can I use the same matching network for different frequencies?
No. Matching requirements depend on the specific model, its center frequency, and the board layout. Always verify with the recommended matching network for the selected part and validate on your actual PCB.
What should I include in a technical inquiry?
Provide the required center frequency, bandwidth, insertion loss limit, rejection mask, source and load conditions, operating temperature, and intended application. This helps us recommend the most suitable frequency option.