
Overview
The SF2190B is a SAW Filter made by Murata in a SMD7050-10P package with 10 pins. -40℃~+85℃ 21dB 50Ω SMD7050-10P SAW Filters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SF2190B, from EasyEDA) and its footprint (EasyEDA_Cloud:FILTER-SMD_10P-L7.0-W5.0-P1.27-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3283612).
Symbol
Footprint
Parameters
4- Frequency - Center
- 138MHz
- Insertion Loss
- 21dB
- Operating Temperature
- -40℃~+85℃
- impedance
- 50Ω
Order codes
1- SF2190BLCSC C3283612
Pinout
10| Pin | Name | Type |
|---|---|---|
| 1 | Port1BalancedInput | Unspecified |
| 2 | GND | Unspecified |
| 3 | GND | Unspecified |
| 4 | GND | Unspecified |
| 5 | Port2BalancedOutput | Unspecified |
| 6 | Port2BalancedOutput | Unspecified |
| 7 | GND | Unspecified |
| 8 | GND | Unspecified |
| 9 | GND | Unspecified |
| 10 | Port1BalancedInput | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/murata/SF2190B" title="SF2190B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/murata/SF2190B.jpg" alt="SF2190B" width="1200" height="900">[](https://pcbkit.io/parts/murata/SF2190B)Questions
Is there a KiCad symbol and footprint for the SF2190B?
Yes. The symbol is EasyEDA_Cloud:SF2190B and the footprint EasyEDA_Cloud:FILTER-SMD_10P-L7.0-W5.0-P1.27-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SF2190B?
SMD7050-10P, with 10 pins. Its footprint is drawn on this page.
Where is the SF2190B datasheet?
Murata publishes it: the Datasheet link on this page opens it.
Where can I order the SF2190B?
JLCPCB lists it as part C3283612, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SF2190B?
Parts like it in the library: the SF1146B by Murata, the SF2026B by Murata, the SF2145B by Murata and the SF2242B by Murata. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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