
Overview
The SMBJ28A is an ESD And Surge Protection made by Jiangsu Changjing Electronics Technology (CJ) in a SMBG package with 2 pins. -55℃~+150℃ 13.2A@10/1000us 28V 34.4V 45.4V 5uA 600W@10/1000us TVS Unidirectional SMBG ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library) and its footprint (EasyEDA_Cloud:SMB_L4.4-W3.6-LS5.3-RD, from EasyEDA), ready for a KiCad board. 1,482 are in stock at JLCPCB (part C5116539).
Symbol
Footprint
Parameters
10- Clamping Voltage
- 45.4V
- Number of Channels
- Single-channel
- Operating Temperature
- -55℃~+150℃
- Peak Pulse Current (Ipp)
- 13.2A@10/1000us
- Peak Pulse Power Dissipation (Ppp)
- 600W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 5uA
- Reverse Stand-Off Voltage (Vrwm)
- 28V
- Type
- TVS
- Voltage - Breakdown
- 34.4V
Order codes
1- SMBJ28ALCSC C5116539
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/cj/SMBJ28A" title="SMBJ28A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/cj/SMBJ28A.jpg" alt="SMBJ28A" width="1200" height="900">[](https://pcbkit.io/parts/cj/SMBJ28A)Questions
Is there a KiCad symbol and footprint for the SMBJ28A?
Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:SMB_L4.4-W3.6-LS5.3-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SMBJ28A?
SMBG, with 2 pins. Its footprint is drawn on this page.
Where is the SMBJ28A datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the SMBJ28A?
JLCPCB lists it as part C5116539, with 1,482 in stock; the sellers' links on this page open their listings.
What can replace the SMBJ28A?
Parts like it in the library: the SMF28CA by hongjiacheng, the SMAJ28CA by hongjiacheng, the SMAJ28A by GOODWORK and the SMBJ28CA by hongjiacheng. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8SMF28CA
SOD-123FLESD And Surge Protection (TVS/ESD)hongjiachengSMAJ28CA
DO-214AC(SMA)-55℃~+150℃ 1uA 28V 34.4V 400W@10/1000us 45.4V 8.8A Bidirectional IEC 61000-4-2 TVS DO-214AC(SMA) ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)SMAJ28A
DO-214AC(SMA)-55℃~+150℃ 28V 31.1V 400W 45.4V 5uA 8.8A TVS Unidirectional DO-214AC(SMA) ESD and Surge Protection (TVS/ESD) ROHSGOODWORKESD And Surge Protection (TVS/ESD)SMBJ28CA
DO-214AA(SMB)ESD And Surge Protection (TVS/ESD)hongjiachengSMAJ28CA
DO-214AC(SMA)-55℃~+150℃ 28V 31.1V 400W 45.4V 5uA 8.8A Bidirectional TVS DO-214AC(SMA) ESD and Surge Protection (TVS/ESD) ROHSGOODWORKESD And Surge Protection (TVS/ESD)SMAJ28CA
SMA-65℃~+150℃ 1uA 28V 34.4V 400W@10/1000us 45.4V 8.8A@10/1000us TVS SMA ESD and Surge Protection (TVS/ESD) ROHSShandong Jingdao MicroelectronicsESD And Surge Protection (TVS/ESD)SMBJ28A
DO-214AA(SMB)-55℃~+150℃ 13.2A 28V 31.1V 45.4V 5uA 600W TVS Unidirectional DO-214AA(SMB) ESD and Surge Protection (TVS/ESD) ROHSGOODWORKESD And Surge Protection (TVS/ESD)SMBJ28A
SMB13.3A@10/1000us 1uA 28V 34.4V 390pF 45.4V 600W@10/1000us TVS SMB ESD and Surge Protection (TVS/ESD) ROHS晶导微电子ESD And Surge Protection (TVS/ESD)