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SR12, in 3D

SR12

TECH PUBLIC

Extended
DatasheetJLCPCBLCSCtech-public/SR12
Category
ESD And Surge Protection (TVS, ESD)
Package
SOT-143
Pins
4

Overview

The SR12 is an ESD And Surge Protection made by TECH PUBLIC in a SOT-143 package with 4 pins.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SR12, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-143, from KiCad's library), ready for a KiCad board. 5,144 are in stock at JLCPCB (part C19268172).

Symbol

4321
EasyEDA_Cloud:SR12From EasyEDA

Footprint

1234
Package_TO_SOT_SMD:SOT-143From KiCad's library

Parameters

12
Clamping Voltage
28V
Junction Capacitance
0.8pF
Number of Channels
2
Operating Temperature
-55℃~+125℃
Peak Pulse Current (Ipp)
13A@8/20us
Peak Pulse Power Dissipation (Ppp)
400W@8/20us
Polarity
Unidirectional
Reverse Leakage Current (Ir)
200nA
Reverse Stand-Off Voltage (Vrwm)
12V
Type
TVS
Voltage - Breakdown
13.8V
level of protection
IEC 61000-4-2

Order codes

1

Pinout

4
The pins of the SR12
PinNameType
11Unspecified
22Unspecified
33Unspecified
44Unspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/tech-public/SR12" title="SR12 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/tech-public/SR12.jpg" alt="SR12" width="1200" height="900">
A picture that opens the part, for a README
[![SR12](https://pcbkit.io/embed/parts/tech-public/SR12.jpg?size=s)](https://pcbkit.io/parts/tech-public/SR12)

Questions

Is there a KiCad symbol and footprint for the SR12?

Yes. The symbol is EasyEDA_Cloud:SR12 and the footprint Package_TO_SOT_SMD:SOT-143, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SR12?

SOT-143, with 4 pins. Its footprint is drawn on this page.

Where is the SR12 datasheet?

TECH PUBLIC publishes it: the Datasheet link on this page opens it.

Where can I order the SR12?

JLCPCB lists it as part C19268172, with 5,144 in stock; the sellers' links on this page open their listings.

What can replace the SR12?

Parts like it in the library: the CD143A-SR12 by Bourns, the LCDA12C-1 by TECH PUBLIC, the LCDA12C-1.TCT by SEMTECH and the SR12.TCT by SEMTECH. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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8