

Overview
The PKMCS0909E4000-R1 is a buzzer made by Murata in a SMD,9x9mm package with 2 pins. -40℃~+85℃ 1.9mm 12.5V 4kHz 65dB 9mm 9mm Passive (Externally Driven) Piezoelectric SMD,9x9mm Buzzers ROHS.
PCBKit's library has its KiCad symbol (Device:Buzzer, from KiCad's library) and its footprint (Buzzer_Beeper:Buzzer_Murata_PKMCS0909E, from KiCad's library), ready for a KiCad board. 862 are in stock at JLCPCB (part C910763). 38 open-source boards in 27 repositories on GitHub use it.
Symbol
Footprint
Parameters
10- Driver Circuitry
- Passive (Externally Driven)
- Frequency
- 4kHz
- Height
- 1.9mm
- Length
- 9mm
- Mounting Type
- Surface-mount (SMD)
- Operating Temperature
- -40℃~+85℃
- Sound Pressure Level(SPL)
- 65dB
- Technology
- Piezoelectric
- Voltage - Supply
- 12.5V
- Width
- 9mm
Order codes
1- PKMCS0909E4000-R1LCSC C910763
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | + | Passive |
| 2 | - | Passive |
Open-source boards using it
All 38- 2 layers32 × 61.5 mm

- 2 layers81 × 55 mm

- 2 layers74.9 × 20.3 mm

Rt soldering iron
kcuzner/rt-soldering-iron
Soldering iron driver board for Weller RT tips. A work in progress. Firmware in rust.
126 parts6 - 6 layers100 × 100 mm

- 6 layers36 × 124 mm

OpenDual Reader
nuerolynx/embedded-systems-lab
Arduino UNO R4 WiFi and ESP32 prototypes for access control, automation, displays, monitoring, and Bluetooth audio.
74 parts4 - 4 layers35 × 35 mm

Bluetooth tracker
adwjli/bluetooth-tracker
Bluetooth Tracker inspired by the Tile Mate Bluetooth Tracker, built around the Nordic nRF51822 Bluetooth transceiver.
25 parts3GPL-3.0 - 2 layers35.2 × 17.9 mm

- 2 layers65.3 × 64.1 mm

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<iframe src="https://pcbkit.io/embed/parts/murata/PKMCS0909E4000-R1" title="PKMCS0909E4000-R1 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/murata/PKMCS0909E4000-R1.jpg" alt="PKMCS0909E4000-R1" width="1200" height="900">[](https://pcbkit.io/parts/murata/PKMCS0909E4000-R1)Questions
Is there a KiCad symbol and footprint for the PKMCS0909E4000-R1?
Yes. The symbol is Device:Buzzer and the footprint Buzzer_Beeper:Buzzer_Murata_PKMCS0909E, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the PKMCS0909E4000-R1?
SMD,9x9mm, with 2 pins. Its footprint is drawn on this page.
Where is the PKMCS0909E4000-R1 datasheet?
Murata publishes it: the Datasheet link on this page opens it.
Where can I order the PKMCS0909E4000-R1?
JLCPCB lists it as part C910763, with 862 in stock; the sellers' links on this page open their listings.
What can replace the PKMCS0909E4000-R1?
Parts like it in the library: the HNR-1207PA6.5 by Jiangsu Huaneng Elec, the PS1240P02BT by TDK, the HNR-1407PA7.5 by Jiangsu Huaneng Elec and the MLT-5030 by Jiangsu Huaneng Elec. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the PKMCS0909E4000-R1?
38 boards in 27 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8HNR-1207PA6.5
插件,D=12.5mmBuzzersJiangsu Huaneng ElecPS1240P02BT
插件,D=12.2mm-10℃~+70℃ 12.2mm 30V 3V 4kHz 5mm 7.8mm 70dB Passive (Externally Driven) Piezoelectric 插件,D=12.2mm Buzzers ROHSTDKBuzzersHNR-1407PA7.5
插件,D=14mmBuzzersJiangsu Huaneng ElecMLT-5030
SMD,5.2x5.7mm-20℃~+70℃ 100mA 2V~4V 3.4mm 3V 4kHz 5.2mm 5.2mm 80dB Electromagnetic Passive (Externally Driven) SMD,5.2x5.7mm Buzzers ROHSJiangsu Huaneng ElecBuzzersKLJ-4020
SMD,4x4mm-30℃~+70℃ 100mA 2V~4V 2mm 3V 4kHz 4mm 4mm 73dB Electromagnetic SMD SMD,4x4mm Buzzers ROHSKELIKINGBuzzersSFN-1207PA7.6
插件,D=12.6mm-20℃~+70℃ 12.6mm 4kHz 5V 5mA 7.5mm 7.6mm 80dB Passive (Externally Driven) Piezoelectric Plug-in Plugin,D=12.6mm Buzzers ROHSS&SBuzzersSFN-1270-0540-35P5.0
插件,D=12.5mm-20℃~+70℃ 12.5mm 30V 4kHz 5V 5mA 5mm 7mm 80dB Passive (Externally Driven) Piezoelectric Plug-in Plugin,D=12.5mm Buzzers ROHSS&SBuzzersFUET-4020
SMD,4x4mm-20℃~+70℃ 2.5mm 2V~4V 3V 4kHz 4mm 4mm 65dB 90mA Electromagnetic Passive (Externally Driven) SMD,4x4mm Buzzers ROHSFUETBuzzers