
Overview
The SMF440A is an ESD And Surge Protection made by MDD in a SOD-123FL package with 2 pins. -55℃~+150℃ 1uA 200W 300mA 440V 543V 713V TVS SOD-123FL ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library) and its footprint (Diode_SMD:D_SOD-123F, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2994208).
Symbol
Footprint
Order codes
1- SMF440ALCSC C2994208
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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<iframe src="https://pcbkit.io/embed/parts/mdd/SMF440A" title="SMF440A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/mdd/SMF440A.jpg" alt="SMF440A" width="1200" height="900">[](https://pcbkit.io/parts/mdd/SMF440A)Questions
Is there a KiCad symbol and footprint for the SMF440A?
Yes. The symbol is Device:D_TVS and the footprint Diode_SMD:D_SOD-123F, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SMF440A?
SOD-123FL, with 2 pins. Its footprint is drawn on this page.
Where is the SMF440A datasheet?
MDD publishes it: the Datasheet link on this page opens it.
Where can I order the SMF440A?
JLCPCB lists it as part C2994208, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SMF440A?
Parts like it in the library: the SMF24CA by hongjiacheng, the SMF15CA by hongjiacheng, the SMF5.0CA by hongjiacheng and the SMF6.5CA by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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