

Overview
The NTC5D-9 is a NTC Thermistor made by RUILON in a 插件,P=7.5mm package with 2 pins.
PCBKit's library has its KiCad symbol (Device:Thermistor_NTC, from KiCad's library) and its footprint (EasyEDA_Cloud:RES-TH_L11.0-W5.5-P7.50-D0.8-S4.70, from EasyEDA), ready for a KiCad board. 29,629 are in stock at JLCPCB (part C702818). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
13- B Constant (25℃/100℃)
- 2700K
- B Constant (25℃/50℃)
- 2700K
- B Constant (25℃/75℃)
- 2700K
- B Constant (25℃/85℃)
- 2700K
- B Constant Tolerance
- ±10%
- Diameter (φD)
- 11mm
- Dissipation Factor
- 11mW/℃
- Operating Temperature
- -40℃~+175℃
- Pitch
- 7.5mm
- Power(Watts)
- 1.9W
- Resistance @ 25℃
- 5Ω
- Steady State Current (Max)
- 3A
- Thermal Time Constant
- 35s
Order codes
1- NTC5D-9LCSC C702818
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | — | Passive |
| 2 | — | Passive |
Open-source boards using it
All 1- 2 layers103 × 65 mm

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<iframe src="https://pcbkit.io/embed/parts/ruilon/NTC5D-9" title="NTC5D-9 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ruilon/NTC5D-9.jpg" alt="NTC5D-9" width="1200" height="900">[](https://pcbkit.io/parts/ruilon/NTC5D-9)Questions
Is there a KiCad symbol and footprint for the NTC5D-9?
Yes. The symbol is Device:Thermistor_NTC and the footprint EasyEDA_Cloud:RES-TH_L11.0-W5.5-P7.50-D0.8-S4.70, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the NTC5D-9?
插件,P=7.5mm, with 2 pins. Its footprint is drawn on this page.
Where is the NTC5D-9 datasheet?
RUILON publishes it: the Datasheet link on this page opens it.
Where can I order the NTC5D-9?
JLCPCB lists it as part C702818, with 29,629 in stock; the sellers' links on this page open their listings.
What can replace the NTC5D-9?
Parts like it in the library: the 5D-9 by VDR Varistor, the 5D-11 by Hongzhi Elec, the MF72 5D15 by 时恒 and the MF72 5D20 by 时恒. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the NTC5D-9?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
85D-9
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插件,P=7.5mm-40℃~+175℃ 14mW/℃ 2.3W 2700K 4A 50s 5Ω 7.5mm ±10% ±20% 插件,P=7.5mm NTC Thermistors ROHSHongzhi ElecNTC ThermistorsMF72 5D15
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插件,P=7.5mm-40℃~+170℃ 11mm 13mW/℃ 2800K 3W 45s 4A 5.5mm 5Ω 7.5mm ±10% ±20% Plugin,P=7.5mm NTC Thermistors ROHSNanjing Shiheng ElecNTC Thermistors