
Overview
The SMF22A is an ESD And Surge Protection made by KUU in a SOD-123FL package with 2 pins. -55℃~+150℃ 1 1uA 200W@10/1000us 22V 26.9V 35.5V 5.6A TVS Unidirectional SOD-123FL ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (Diode:SMF22A, from KiCad's library) and its footprint (Diode_SMD:D_SMF, from KiCad's library), ready for a KiCad board. 2,778 are in stock at JLCPCB (part C3039611).
Symbol
Footprint
Parameters
10- Clamping Voltage
- 35.5V
- Number of Channels
- Single-channel
- Operating Temperature
- -55℃~+150℃
- Peak Pulse Current (Ipp)
- 5.6A
- Peak Pulse Power Dissipation (Ppp)
- 200W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 1uA
- Reverse Stand-Off Voltage (Vrwm)
- 22V
- Type
- TVS
- Voltage - Breakdown
- 26.9V
Order codes
1- SMF22ALCSC C3039611
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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<iframe src="https://pcbkit.io/embed/parts/kuu/SMF22A" title="SMF22A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/kuu/SMF22A.jpg" alt="SMF22A" width="1200" height="900">[](https://pcbkit.io/parts/kuu/SMF22A)Questions
Is there a KiCad symbol and footprint for the SMF22A?
Yes. The symbol is Diode:SMF22A and the footprint Diode_SMD:D_SMF, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SMF22A?
SOD-123FL, with 2 pins. Its footprint is drawn on this page.
Where is the SMF22A datasheet?
KUU publishes it: the Datasheet link on this page opens it.
Where can I order the SMF22A?
JLCPCB lists it as part C3039611, with 2,778 in stock; the sellers' links on this page open their listings.
What can replace the SMF22A?
Parts like it in the library: the SMF22A by GOODWORK, the SMF22A-TP by Micro Commercial Components, the SMF22A by FOSAN and the SMF22A by JSMSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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