Overview
The SMDB03C/TR7 is an ESD And Surge Protection made by Microchip Technology in a SOP-8 package with 8 pins. -55℃~+150℃ 3.3V 300W 300pF 400uA 4V 5A@8/20us 9V Bidirectional Four channels IEC 61000-4-2、IEC 61000-4-4 TVS SOP-8 ESD and Surge Protection (TVS/ESD).
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SMDB03C_TR7, from EasyEDA) and its footprint (Package_SO:SOP-8_3.76x4.96mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2625811).
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/TR7LCSC C2625811
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/TR7" title="SMDB03C/TR7 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/TR7.jpg" alt="SMDB03C/TR7" width="1200" height="900">[](https://pcbkit.io/parts/microchip/SMDB03C/TR7)Questions
Is there a KiCad symbol and footprint for the SMDB03C/TR7?
Yes. The symbol is EasyEDA_Cloud:SMDB03C_TR7 and the footprint Package_SO:SOP-8_3.76x4.96mm_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/TR7?
SOP-8, with 8 pins. Its footprint is drawn on this page.
Where is the SMDB03C/TR7 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the SMDB03C/TR7?
JLCPCB lists it as part C2625811, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SMDB03C/TR7?
Parts like it in the library: the LC03-3.3-MS by MSKSEMI, the SRDA3.3-4DR2G by TECH PUBLIC, the BV-3304P8 by Bencent and the USB50803E3/TR13 by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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