

Overview
The S2B is a diodes General Purpose made by LGE in a SMB(DO-214AA) package with 2 pins. -55℃~+150℃ 1.15V@2A 100V 2A 50A 5uA@100V Independent SMB(DO-214AA) Diodes - General Purpose ROHS.
PCBKit's library has its KiCad symbol (Device:D, from KiCad's library) and its footprint (Diode_SMD:D_SMB, from KiCad's library), ready for a KiCad board. 6,042 are in stock at JLCPCB (part C330465). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
Parameters
7- Current - Rectified
- 2A
- Diode Configuration
- Standalone
- Non-Repetitive Peak Forward Surge Current
- 50A
- Operating Junction Temperature Range
- -55℃~+150℃
- Reverse Leakage Current (Ir)
- 5uA@100V
- Voltage - DC Reverse(Vr)
- 100V
- Voltage - Forward(Vf@If)
- 1.15V@2A
Order codes
1- S2BLCSC C330465
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | K | Passive |
| 2 | A | Passive |
Open-source boards using it
All 2- 2 layers88.1 × 87.4 mm

- 2 layers160 × 100 mm

ADSR CONTROLLER
Desval27/FormantKO
Knock-off of the Elektor Formant Synthesizer project with the initial goal of being quasi-authentic and secondary goal undecided. Probably tweaks of some kind.
77 partsMIT
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<iframe src="https://pcbkit.io/embed/parts/lge/S2B" title="S2B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/lge/S2B.jpg" alt="S2B" width="1200" height="900">[](https://pcbkit.io/parts/lge/S2B)Questions
Is there a KiCad symbol and footprint for the S2B?
Yes. The symbol is Device:D and the footprint Diode_SMD:D_SMB, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the S2B?
SMB(DO-214AA), with 2 pins. Its footprint is drawn on this page.
Where is the S2B datasheet?
LGE publishes it: the Datasheet link on this page opens it.
Where can I order the S2B?
JLCPCB lists it as part C330465, with 6,042 in stock; the sellers' links on this page open their listings.
What can replace the S2B?
Parts like it in the library: the S3MB by hongjiacheng, the S3MB by MDD, the S2M by MDD and the S5MB by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the S2B?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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SMB(DO-214AA)-55℃~+150℃ 1.1V@2A 1kV 2A 50A 5uA@1kV Independent SMA(DO-214AC) Diodes - General Purpose ROHSMDDDiodes - General PurposeS5MB
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SMB(DO-214AA)-55℃~+150℃ 1.1V@2A 1kV 2A 5uA@1kV 60A Independent SMB(DO-214AA) Diodes - General Purpose ROHSMDDDiodes - General Purpose