Skip to the content
PCBKitNew board
MAX809R, in 3D

MAX809R

UMW

-40℃~+125℃ 1 1V~5.5V 2.63V 240ms Active Low Push-pull Voltage Detector SOT-23 Supervisor and Reset ICs ROHS

Extended
DatasheetJLCPCBLCSCumw/MAX809R
Category
Supervisor And Reset ICs
Package
SOT-23
Pins
3

Overview

The MAX809R is a supervisor And Reset IC made by UMW in a SOT-23 package with 3 pins. -40℃~+125℃ 1 1V~5.5V 2.63V 240ms Active Low Push-pull Voltage Detector SOT-23 Supervisor and Reset ICs ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MAX809R_C5381779, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 37,696 are in stock at JLCPCB (part C347370). 1 open-source board in 1 repository on GitHub use it.

Symbol

VDD3RESET2GND1
EasyEDA_Cloud:MAX809R_C5381779From EasyEDA

Footprint

123
Package_TO_SOT_SMD:SOT-23From KiCad's library

Parameters

8
ChipType
Voltage Detector
Number of Voltages Monitored
1
Operating Temperature
-40℃~+125℃
Output Type
Push-pull
Reset Active Level
Active Low
Reset Timeout
240ms
Threshold Voltage
2.63V
Voltage - Supply
1V~5.5V

Order codes

1

Pinout

3
The pins of the MAX809R
PinNameType
1GNDUnspecified
2RESETUnspecified
3VDDUnspecified

Open-source boards using it

All 1
  • 2 layers17 × 18 mmNanoDCU, the printed circuit board in 3D

    NanoDCU

    OpenKNX/OpenKNX-REG1

    27 parts9

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/umw/MAX809R" title="MAX809R 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/umw/MAX809R.jpg" alt="MAX809R" width="1200" height="900">
A picture that opens the part, for a README
[![MAX809R](https://pcbkit.io/embed/parts/umw/MAX809R.jpg?size=s)](https://pcbkit.io/parts/umw/MAX809R)

Questions

Is there a KiCad symbol and footprint for the MAX809R?

Yes. The symbol is EasyEDA_Cloud:MAX809R_C5381779 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 MAX809R?

SOT-23, with 3 pins. Its footprint is drawn on this page.

Where is the MAX809R datasheet?

UMW publishes it: the Datasheet link on this page opens it.

Where can I order the MAX809R?

JLCPCB lists it as part C347370, with 37,696 in stock; the sellers' links on this page open their listings.

What can replace the MAX809R?

Parts like it in the library: the MAX809S by UMW, the TPAX809RS3 by TECH PUBLIC, the TLV803SDBZR by Texas Instruments and the ME2805A263XG by MICRONE. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MAX809R?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8