Overview
The SF1141B is a SAW Filter made by Murata in a SMD7050-10P package with 10 pins.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TB0218A, 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 C3283494).
Symbol
Footprint
Parameters
6- Attenuation
- 45dB;36dB
- Bandwidth
- 14.86MHz
- Frequency - Center
- 75MHz
- Insertion Loss
- 16dB
- Operating Temperature
- -40℃~+85℃
- impedance
- 250Ω
Order codes
1- SF1141BLCSC C3283494
Pinout
10| Pin | Name | Type |
|---|---|---|
| 1 | IN- | Unspecified |
| 2 | GND | Unspecified |
| 3 | GND | Unspecified |
| 4 | GND | Unspecified |
| 5 | OUT+ | Unspecified |
| 6 | OUT- | Unspecified |
| 7 | GND | Unspecified |
| 8 | GND | Unspecified |
| 9 | GND | Unspecified |
| 10 | IN+ | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/murata/SF1141B" title="SF1141B 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/SF1141B.jpg" alt="SF1141B" width="1200" height="900">[](https://pcbkit.io/parts/murata/SF1141B)Questions
Is there a KiCad symbol and footprint for the SF1141B?
Yes. The symbol is EasyEDA_Cloud:TB0218A 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 SF1141B?
SMD7050-10P, with 10 pins. Its footprint is drawn on this page.
Where is the SF1141B datasheet?
Murata publishes it: the Datasheet link on this page opens it.
Where can I order the SF1141B?
JLCPCB lists it as part C3283494, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SF1141B?
Parts like it in the library: the SF1140B by Murata, the SF1143B-1 by Murata, the SF1141B-4 by Murata and the SF1140B-2 by Murata. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
5SF1140B
SMD7050-10P-40℃~+85℃ 13dB 250Ω SMD7050-10P SAW Filters ROHSMurataSAW FiltersSF1143B-1
SMD7050-10P-40℃~+85℃ 17dB 250Ω SMD7050-10P SAW Filters ROHSMurataSAW FiltersSF1141B-4
SMD7050-12P-40℃~+85℃ 16dB 250Ω SMD7050-12P SAW Filters ROHSMurataSAW FiltersSF1140B-2
SMDSAW FiltersMurataSF1143B-4
SMD-40℃~+85℃ 17dB 250Ω SMD SAW Filters ROHSMurataSAW Filters