Overview
The DB3 is a diacs Trigger Diode made by YFSEMI in a DO-41 package with 2 pins. -40℃~+125℃@(Tj) 1.5us 100uA 28V~36V 2A 32V DO-41 Trigger Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:DB3, from KiCad's library) and its footprint (Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2887675).
Symbol
Footprint
Parameters
2- Operating Temperature
- -40℃~+125℃@(Tj)
- Vbo (Range Value)
- 28V~36V
Order codes
1Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
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<iframe src="https://pcbkit.io/embed/parts/yfsemi/DB3" title="DB3 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/yfsemi/DB3.jpg" alt="DB3" width="1200" height="900">[](https://pcbkit.io/parts/yfsemi/DB3)Questions
Is there a KiCad symbol and footprint for the DB3?
Yes. The symbol is Diode:DB3 and the footprint Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the DB3?
DO-41, with 2 pins. Its footprint is drawn on this page.
Where is the DB3 datasheet?
YFSEMI publishes it: the Datasheet link on this page opens it.
Where can I order the DB3?
JLCPCB lists it as part C2887675, with 0 in stock; the sellers' links on this page open their listings.