
Overview
The GTCS28-251M-R20 is a gas Discharge Tube Arrester made by Littelfuse in a SMD package with 2 pins. 2 20kA 250V ±20% SMD Gas Discharge Tube Arresters (GDT) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:B88069X2213B252, from EasyEDA) and its footprint (EasyEDA_Cloud:DIO-DT-SMD_BD8.2-L6.0, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1566805).
Symbol
Footprint
Parameters
8- Diameter (φD)
- 8mm
- Impulse Breakdown Voltage(Vimp)
- 600V
- Impulse Discharge Current
- 20kA
- Number of Poles
- 2
- Operating Temperature Range
- -40℃~+90℃
- Tolerance
- ±20%
- Voltage - DC Spark Over (Nom)
- 250V
- inter-electrode capacitance
- 1.5pF
Order codes
1- GTCS28-251M-R20LCSC C1566805
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | 2 | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/littelfuse/GTCS28-251M-R20" title="GTCS28-251M-R20 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/littelfuse/GTCS28-251M-R20.jpg" alt="GTCS28-251M-R20" width="1200" height="900">[](https://pcbkit.io/parts/littelfuse/GTCS28-251M-R20)Questions
Is there a KiCad symbol and footprint for the GTCS28-251M-R20?
Yes. The symbol is EasyEDA_Cloud:B88069X2213B252 and the footprint EasyEDA_Cloud:DIO-DT-SMD_BD8.2-L6.0, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the GTCS28-251M-R20?
SMD, with 2 pins. Its footprint is drawn on this page.
Where is the GTCS28-251M-R20 datasheet?
Littelfuse publishes it: the Datasheet link on this page opens it.
Where can I order the GTCS28-251M-R20?
JLCPCB lists it as part C1566805, with 0 in stock; the sellers' links on this page open their listings.
What can replace the GTCS28-251M-R20?
Parts like it in the library: the GTCS28-421M-R10-2 by Littelfuse, the GTCS28-501M-R20-2 by Littelfuse and the GTCS28-900M-R20-2 by Littelfuse. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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