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Buzzers and beepers: 12 mm, 15 mm magnetic; TDK PS1240 piezo
What are the dimensions of a 12 mm buzzer? · Standard part · basis: KiCad 3D models of common PCB buzzers (12 × 9.5 mm and 15 × 7.5 mm magnetic with 7.6 mm pin spacing; TDK PS1240 12 mm piezo; CUI CST-931)
- sizes
- 7 in table
Notes
- 12 mm magnetic buzzer (the black cylinder on Arduino kits): Ø12 × 9.5 mm, pins 7.6 mm apart, sound hole on top; needs a Ø3–4 mm hole in the case within 2 mm of the port.
- 15 mm: Ø15 × 7.5 mm, same 7.6 mm pitch. TDK PS1240 piezo: Ø12.2 × 6.5 mm, 5 mm pitch; passive, drive with a square wave.
- A printed resonant chamber (Ø12 cavity 3 mm deep over the port, exiting through a Ø2.5 hole) makes a 12 mm buzzer noticeably louder.
Sizes
| part | bbox_l_mm | bbox_w_mm | bbox_h_mm |
|---|---|---|---|
| 12x9.5rm7.6 | 12.5 | 12.0 | 12.0 |
| 15x7.5rm7.6 | 15.0 | 15.0 | 10.5 |
| mallory-ast1109mltrq | 15.0 | 9.0 | 2.0 |
| tdk-ps1240p02bt | 21.5 | 12.0 | 12.0 |
| cui-cst-931rp-a | 10.8 | 9.0 | 9.0 |
| kingstate-kcg0601 | 6.8 | 6.6 | 6.6 |
| prosignal-abt-410-rc | 12.0 | 12.0 | 11.5 |
Where the files are
Files below are rehosted from this library under its share-alike license, with its license and credits beside them. "verify" = check the license at the link before commercial use.
| KiCad | kicad-packages3D library (origin of these files) | STEP, WRL | CC BY-SA 4.0 with KiCad exception |
Free files
★ Free files 7 parts. From the KiCad library contributors, rehosted with their license and credits. CC BY-SA 4.0 (KiCad library license, with the KiCad exception). index.json
| 12x9.5rm7.6 | KiCad Buzzer_Beeper: Buzzer_12x9.5RM7.6; bbox 12.5 × 12.0 × 12.0 mm | STEP · STL |
| 15x7.5rm7.6 | KiCad Buzzer_Beeper: Buzzer_15x7.5RM7.6; bbox 15.0 × 15.0 × 10.5 mm | STEP · STL |
| mallory-ast1109mltrq | KiCad Buzzer_Beeper: Buzzer_Mallory_AST1109MLTRQ; bbox 15.0 × 9.0 × 2.0 mm | STEP · STL |
| tdk-ps1240p02bt | KiCad Buzzer_Beeper: Buzzer_TDK_PS1240P02BT; bbox 21.5 × 12.0 × 12.0 mm | STEP · STL |
| cui-cst-931rp-a | KiCad Buzzer_Beeper: MagneticBuzzer_CUI_CST-931RP-A; bbox 10.8 × 9.0 × 9.0 mm | STEP · STL |
| kingstate-kcg0601 | KiCad Buzzer_Beeper: MagneticBuzzer_Kingstate_KCG0601; bbox 6.8 × 6.6 × 6.6 mm | STEP · STL |
| prosignal-abt-410-rc | KiCad Buzzer_Beeper: MagneticBuzzer_ProSignal_ABT-410-RC; bbox 12.0 × 12.0 × 11.5 mm | STEP · STL |
Plain text: sheet.txt · JSON: /api/geometry?object=buzzers-tht
Fits with
Questions
What is the pin spacing of a 12 mm buzzer?
7.6 mm (0.3 in). The 15 mm buzzers use the same 7.6 mm spacing; the TDK PS1240 piezo uses 5 mm.
How tall is a 12 mm buzzer?
9.5 mm for the common 12 × 9.5 magnetic buzzer; 6.5 mm for the PS1240 piezo.