Overview
The SMDB03C/TR13 is an ESD And Surge Protection made by Microchip Technology in a SO-8 package with 8 pins. -55℃~+150℃ 3.3V 300W 300pF 400uA 4V 5A@8/20us 9V Bidirectional Four channels TVS SO-8 ESD and Surge Protection (TVS/ESD).
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SMDB03C_TR13, from EasyEDA) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2449523).
Symbol
Footprint
Parameters
7- Breakdown Voltage
- 4V
- Maximum Clamping Voltage
- 9V
- Peak Pulse Current (Ipp)@10/1000us
- 5A@8/20us
- Peak Pulse Power Dissipation (Ppp)@10/1000us
- 300W
- Reverse Stand-Off Voltage (Vrwm)
- 3.3V
- Type
- TVS
- polarity
- Bi-Directional
Order codes
1- SMDB03C/TR13LCSC C2449523
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | 2 | Unspecified |
| 3 | 3 | Unspecified |
| 4 | 4 | Unspecified |
| 5 | 5 | Unspecified |
| 6 | 6 | Unspecified |
| 7 | 7 | Unspecified |
| 8 | 8 | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/microchip/SMDB03C/TR13" title="SMDB03C/TR13 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/SMDB03C/TR13.jpg" alt="SMDB03C/TR13" width="1200" height="900">[](https://pcbkit.io/parts/microchip/SMDB03C/TR13)Questions
Is there a KiCad symbol and footprint for the SMDB03C/TR13?
Yes. The symbol is EasyEDA_Cloud:SMDB03C_TR13 and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SMDB03C/TR13?
SO-8, with 8 pins. Its footprint is drawn on this page.
Where is the SMDB03C/TR13 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the SMDB03C/TR13?
JLCPCB lists it as part C2449523, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SMDB03C/TR13?
Parts like it in the library: the LC03-3.3.TBT by SEMTECH, the SMDA03-6E3/TR7 by Microchip Technology, the NUP4106D by onsemi and the SRDA3.3-4.TBT by SEMTECH. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
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