
Overview
The SMBJ3.3A is an ESD And Surge Protection made by BORN in a DO-214AA(SMB) package with 2 pins. 20nA 3.3V 4.15V 50A 600W 7.3V@50A TVS Unidirectional DO-214AA(SMB) 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_SMB, from KiCad's library), ready for a KiCad board. 14,390 are in stock at JLCPCB (part C5439946).
Symbol
Footprint
Parameters
10- Clamping Voltage
- 7.3V
- Number of Channels
- Single-channel
- Operating Temperature
- -55℃~+150℃
- Peak Pulse Current (Ipp)
- 50A
- Peak Pulse Power Dissipation (Ppp)
- 600W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 20nA
- Reverse Stand-Off Voltage (Vrwm)
- 3.3V
- Type
- TVS
- Voltage - Breakdown
- 4.15V
Order codes
1- SMBJ3.3ALCSC C5439946
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
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<iframe src="https://pcbkit.io/embed/parts/born/SMBJ3.3A" title="SMBJ3.3A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/born/SMBJ3.3A.jpg" alt="SMBJ3.3A" width="1200" height="900">[](https://pcbkit.io/parts/born/SMBJ3.3A)Questions
Is there a KiCad symbol and footprint for the SMBJ3.3A?
Yes. The symbol is Device:D_TVS 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 SMBJ3.3A?
DO-214AA(SMB), with 2 pins. Its footprint is drawn on this page.
Where is the SMBJ3.3A datasheet?
BORN publishes it: the Datasheet link on this page opens it.
Where can I order the SMBJ3.3A?
JLCPCB lists it as part C5439946, with 14,390 in stock; the sellers' links on this page open their listings.
What can replace the SMBJ3.3A?
Parts like it in the library: the SMBJ3.3A by DOWO, the SMBJ3.3CA by hongjiacheng, the SMBJ3.3A by hongjiacheng and the SMBJ3.3CA by DOWO. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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