Overview
The ESDA37L is an ESD And Surge Protection made by STMicroelectronics in a SOT-23 package with 3 pins. -40℃~+150℃ 1uA 2 300W@8/20us 36V 37V 43.3V 48pF 6.3A@8/20us ESD IEC 61000-4-2 Unidirectional SOT-23 ESD and Surge Protection (TVS/ESD) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:ESDA37L, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1974878).
Symbol
Footprint
Parameters
12- Clamping Voltage
- 37V
- Junction Capacitance
- 48pF
- Number of Channels
- 2
- Operating Temperature
- -40℃~+150℃
- Peak Pulse Current (Ipp)
- 6.3A@8/20us
- Peak Pulse Power Dissipation (Ppp)
- 300W@8/20us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 1uA
- Reverse Stand-Off Voltage (Vrwm)
- 36V
- Type
- ESD
- Voltage - Breakdown
- 43.3V
- level of protection
- IEC 61000-4-2
Order codes
1- ESDA37LLCSC C1974878
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Unspecified |
| 2 | 2 | Unspecified |
| 3 | 3 | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/st/ESDA37L" title="ESDA37L in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/ESDA37L.jpg" alt="ESDA37L" width="1200" height="900">[](https://pcbkit.io/parts/st/ESDA37L)Questions
Is there a KiCad symbol and footprint for the ESDA37L?
Yes. The symbol is EasyEDA_Cloud:ESDA37L and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ESDA37L?
SOT-23, with 3 pins. Its footprint is drawn on this page.
Where is the ESDA37L datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the ESDA37L?
JLCPCB lists it as part C1974878, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ESDA37L?
Parts like it in the library: the TPPESD36VS2UT by TECH PUBLIC, the TPSM36T1G by TECH PUBLIC, the CDSOT23-T36C by Bourns and the SM36 by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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