
OpenAIO Whoop
OpenDrone-hw/OpenAIO-Whoop
Open-source 1S whoop AIO: flight controller, 4-channel brushless ESC, ExpressLRS receiver and analog VTX, 25.5x25.5 mm. Planned.
The RTT012401FTH is a chip Resistor Surface Mount made by RALEC in a 0201 package with 2 pins. -55℃~+125℃ 2.4kΩ 25V 50mW Thick Film Resistor ±1% ±200ppm/℃ 0201 Chip Resistor - Surface Mount ROHS.
PCBKit's library has its KiCad symbol (Device:R, from KiCad's library) and its footprint (Resistor_SMD:R_0201_0603Metric, from KiCad's library), ready for a KiCad board. 3,740 are in stock at JLCPCB (part C166281). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |

OpenDrone-hw/OpenAIO-Whoop
Open-source 1S whoop AIO: flight controller, 4-channel brushless ESC, ExpressLRS receiver and analog VTX, 25.5x25.5 mm. Planned.
<iframe src="https://pcbkit.io/embed/parts/ralec/RTT012401FTH" title="RTT012401FTH in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ralec/RTT012401FTH.jpg" alt="RTT012401FTH" width="1200" height="900">[](https://pcbkit.io/parts/ralec/RTT012401FTH)Yes. The symbol is Device:R and the footprint Resistor_SMD:R_0201_0603Metric, both drawn on this page. PCBKit places them on a board for you when you design with it.
0201, with 2 pins. Its footprint is drawn on this page.
RALEC publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C166281, with 3,740 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the ERJ-1GNF2401C by Panasonic, the 0201WMF2401TEE by UNI-ROYAL, the RC-01W2401FT by Guangdong Fenghua Advanced Tech (FH) and the AF0201FR-072K4L by YAGEO. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.