103AT-2

SEMITEC

Throughhole NTC Thermistors ROHS

Extended

semitec/103AT-2

Category: NTC Thermistors
Package: Throughhole
Pins: 2

Overview

The 103AT-2 is a NTC Thermistor made by SEMITEC in a Throughhole package with 2 pins. Throughhole NTC Thermistors ROHS.

PCBKit's library has its KiCad symbol (Device:R, from KiCad's library) and its footprint (EasyEDA_Cloud:CAP-TH_BD6.3-P2.50-D1.0-FD, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C5346323). 16 open-source boards in 11 repositories on GitHub use it.

Symbol

Device:RFrom KiCad's library

Footprint

EasyEDA_Cloud:CAP-TH_BD6.3-P2.50-D1.0-FDFrom EasyEDA

Order codes

103AT-2LCSC C5346323

Pinout

The pins of the 103AT-2
Pin	Name	Type
1	—	Passive
2	—	Passive

Open-source boards using it

All 16

2 layers75.8 × 19.2 mm
3S coinCellChargeController
PocketConcepts/Pocket_PSU
A variable current & voltage PSU with 3S lipo charging, balancing, and protection circuit using PPS.
78 parts36
2 layers89.3 × 52.1 mm
Divergence Meter Project v2
waicool20/Divergence-Meter-Project-v2
This is the second iteration of the Divergence Meter Project and another personal learning project, this time learning how to integrate Li-Ion batteries into a project, new electrical converter topologies, Rust…
149 parts28
2 layers82 × 55 mm
Bmo power
nealjack/BMO
Code, Art and Design files to make BMO from adventure time
83 parts9
4 layers160 × 90 mm
Motherboard v3C
Astronuat21/4DS
An unnofficial succesor to the Nintendo 3DS.
373 parts5AGPL-3.0
2 layers158.2 × 89.4 mm
Spur demo card
ericmutton/spur-project
Musings from my ECE undergraduate research project
150 parts4
4 layers65 × 100 mm
PGR
Projeto-Guarda-Rios/PCB
O repositório para a PCB do Projeto Guarda Rios! Inclui todos os ficheiros relacionados com a PCB!
188 parts2MIT
4 layers60 × 40 mm
B BQ24650-BRK R1.0
Boardoza/SenseTech-Competition-2026
Bu repo, Boardoza SenseTech 2026 yarışmasında kullanılacak kartların kaynak repolarını bir arada tutmak için oluşturulmuştur.
65 parts1
2 layers55.9 × 49.5 mm
TyphoonMotherboard rev1 KiCad
hpvdt/typhoon_motherboard
Folder for each of the boards designed for a given project, even if there is only one board for a given project.
75 parts1

Show this part on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/parts/semitec/103AT-2" title="103AT-2 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/semitec/103AT-2.jpg" alt="103AT-2" width="1200" height="900">

A picture that opens the part, for a README

[![103AT-2](https://pcbkit.io/embed/parts/semitec/103AT-2.jpg?size=s)](https://pcbkit.io/parts/semitec/103AT-2)

Questions

Is there a KiCad symbol and footprint for the 103AT-2?

Yes. The symbol is Device:R and the footprint EasyEDA_Cloud:CAP-TH_BD6.3-P2.50-D1.0-FD, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 103AT-2?

Throughhole, with 2 pins. Its footprint is drawn on this page.

Where can I order the 103AT-2?

JLCPCB lists it as part C5346323, with 0 in stock; the sellers' links on this page open their listings.

Which open-source boards use the 103AT-2?

16 boards in 11 repositories on GitHub; the most starred are listed on this page, with their KiCad files.