

Overview
The 2051-47-SM-RPLF is a gas Discharge Tube Arrester made by Bourns in a 1812 package with 2 pins.
PCBKit's library has its footprint (Resistor_SMD:R_1812_4532Metric, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C5880994). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
5- Impulse Breakdown Voltage(Vimp)
- 800V
- Impulse Discharge Current
- 2kA
- Operating Temperature Range
- -40℃~+125℃
- Tolerance
- ±25%
- Voltage - DC Spark Over (Nom)
- 470V
Order codes
1- 2051-47-SM-RPLFLCSC C5880994
Open-source boards using it
All 2- 2 layers230.5 × 60 mm

- 4 layers233 × 230.5 mm

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<iframe src="https://pcbkit.io/embed/parts/bourns/2051-47-SM-RPLF" title="2051-47-SM-RPLF in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/bourns/2051-47-SM-RPLF.jpg" alt="2051-47-SM-RPLF" width="1200" height="900">[](https://pcbkit.io/parts/bourns/2051-47-SM-RPLF)Questions
Is there a KiCad symbol and footprint for the 2051-47-SM-RPLF?
Yes. the footprint Resistor_SMD:R_1812_4532Metric, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 2051-47-SM-RPLF?
1812, with 2 pins. Its footprint is drawn on this page.
Where is the 2051-47-SM-RPLF datasheet?
Bourns publishes it: the Datasheet link on this page opens it.
Where can I order the 2051-47-SM-RPLF?
JLCPCB lists it as part C5880994, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 2051-47-SM-RPLF?
Parts like it in the library: the SMD75XM by SURGING, the SMD90XM by SURGING, the BTC201N by BORN and the SMD600XM by SURGING. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 2051-47-SM-RPLF?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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