
Low noise power probe panel
blinken/power-rail-probe
Low-noise oscilloscope power rail probe

The LM334DT is a current Source , Constant Current Source made by STMicroelectronics in a SOIC-8 package with 8 pins. 0℃~+70℃ 10mA 1V~40V Current Source ±3% SOIC-8 Current Source / Constant Current Source ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM334DT, from EasyEDA) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C140388). 2 open-source boards in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | ADJ | Unspecified |
| 2 | NC | Unspecified |
| 3 | NC | Unspecified |
| 4 | V+ | Unspecified |
| 5 | NC | Unspecified |
| 6 | V- | Unspecified |
| 7 | NC | Unspecified |
| 8 | NC | Unspecified |

blinken/power-rail-probe
Low-noise oscilloscope power rail probe

<iframe src="https://pcbkit.io/embed/parts/st/LM334DT" title="LM334DT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/LM334DT.jpg" alt="LM334DT" width="1200" height="900">[](https://pcbkit.io/parts/st/LM334DT)Yes. The symbol is EasyEDA_Cloud:LM334DT and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-8, with 8 pins. Its footprint is drawn on this page.
STMicroelectronics publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C140388, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the LM234DT by STMicroelectronics, the LM334S8#PBF by Analog Devices and the LM334S8#TRPBF by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.