4704 buzzer
About the 4704 buzzer PCB
4704 buzzer is an open source PCB design by Razerban, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 71.5 × 44 mm, with 11 components from 9 distinct parts.
Other key parts include the SN74123N. By type, the board carries 3 capacitors, 3 resistors, 2 buzzers, 1 IC and 1 connector.
It belongs with the keyboards designs in this gallery.
From the project
A recreation of the IBM 4704 Keyboard buzzer board
This board has been reverse engineered from a buzzer board found in a genuine IBM 4704 Series Model F 107 keyboard.
The maximum dimensions of the buzzers that would be compatible with this board are: - BZ1 (Buzzer installed on the bottom of the PCB): L=30mm, W=30mm, H=16.5mm
- BZ2 (Buzzer installed on the top of the PCB): L=22mm, W=22mm, H=7mm
These dimensions work for 1.6mm thick PCB boards. While I don't recommend this, you could choose a less thick PCB when ordering the board from your PCB Fabrication Manufacturer. This would let you choose a bigger (height wise) buzzer to mount on the…
Main components on the 4704 buzzer
4704 buzzer bill of materials (BOM)
11 components, 9 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN74123N | DIP-16_W7.62mm_Socket | U1 |
| 1 | Conn_01x03 | PinHeader_1x03_P2.54mm_Horizontal | J1 |
| 1 | Buzzer | buzzer_bottom | BZ1 |
| 1 | Buzzer | buzzer_front | BZ2 |
| 1 | 20K | Potentiometer_Bourns_3345P_Horizontal | RV1 |
| 2 | 20n | C_Disc_D5.1mm_W3.2mm_P5.00mm | C1, C2 |
| 1 | 7n | C_Disc_D5.1mm_W3.2mm_P5.00mm | C3 |
| 1 | 330 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 2 | 27K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R3 |
4704 buzzer design files
The KiCad project lives in the Razerban/4704_buzzer repository on GitHub; these links point at the commit this page was built from.
- Layoutf_buzzer.kicad_pcb
- Schematicf_buzzer.kicad_sch
4704 buzzer: common questions
How big is the 4704 buzzer PCB?
The 4704 buzzer measures 71.5 × 44 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 4704 buzzer?
11 components, from 9 distinct parts. The full bill of materials is listed on this page.
Where can I download the 4704 buzzer design files?
From the Razerban/4704_buzzer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 4704 buzzer design in my own project?
Yes, under the terms of its GPL-3.0 license, which Razerban chose for the repository.
Similar boards
Lily58 Lite Rev3 TOP Case
kata0510
142.5 × 106.4 mm34 parts2LMIT2.3k
Lily58 Pro BOTTOM
142.5 × 106.3 mm5 parts2LMIT2.3k
Lily58
142.5 × 106.3 mm83 parts2LMIT2.3k
Lily58 Pro
142.5 × 106.3 mm83 parts2LMIT2.3k
KLOR
GEIGEIGEIST
160.2 × 118.3 mm79 parts2LGPL-3.01.2k
Pcb top
tompi
132.5 × 95.1 mm18 parts2LCC-BY-4.01.2k