.BRD File Extension

BRD files exist as 3 different types. Please find information about each of them below.

Type 1: EAGLE Circuit Board

General Information

Title BRD File Extension
Extension .brd
Full Form EAGLE Circuit Board File
File Type CAD File
Developer Autodesk Inc.
MIME Type application/x-eagle

File Function

Primary Function PCB design storage
Additional Functions Schematic linking, manufacturing data
Features Layered design, Schematic association

File Characteristics

Quality High precision
Supports Layers Yes
Supports Transparency No
Editable Yes

Use Cases

PCB Design Yes
Electrical Engineering Yes
Manufacturing Yes

Security and Practices

Security Risks File corruption, Incompatible changes
Best Practices Version control, Regular backups

Historical/Version Information

Initial Release Late 1980s
Latest Version EAGLE 9.6.2 (2020)

Associated Types

Similar Extensions .sch (EAGLE Schematic File), .lbr (EAGLE Library File)

Software Compatibility

Software Usage Policy OS Compatibility
Autodesk EAGLE Subscription-based Windows, Mac, Linux
Fusion 360 Subscription-based Windows, Mac

Type 2: KiCad PCB Design File

General Information

Title BRD File Extension
Extension .brd
Full Form KiCad PCB Design File
File Type Electronic Design File
Developer KiCad Developers
MIME Type application/x-kicad-pcb

File Function

Primary Function Store PCB designs
Additional Functions Schematic capture, Layout editing
Features Hierarchical schematics, 3D visualization

File Characteristics

Quality Precision dependent
Supports Layers Yes
Supports Transparency No
Editable Yes

Use Cases

Electronics Design Yes
Manufacturing Yes
Prototyping Yes

Security and Practices

Security Risks Low
Best Practices Version control, Regular backups

Historical/Version Information

Initial Release 1992
Latest Version KiCad 6 (2022)

Associated Types

Similar Extensions .sch, .kicad_pcb, .lib, .pro

Software Compatibility

Software Usage Policy OS Compatibility
KiCad EDA Free Windows, Mac, Linux

Type 3: Cadence Allegro PCB Design

A .BRD file stores printed circuit board designs made with Cadence Allegro PCB Designer. Cadence Allegro is a program for designing, analyzing, and simulating printed circuit boards. This CAD program ...

General Information

Title BRD File Extension
Extension .brd
Full Form Printed Circuit Board Design
File Type CAD File
Developer Cadence Design Systems
MIME Type application/octet-stream

File Function

Primary Function PCB design
Additional Functions Simulation, Manufacturing data
Features Layered design, Routing

File Characteristics

Quality High precision
Supports Layers Yes
Supports Transparency No
Editable Yes

Use Cases

PCB Manufacturing Yes
Circuit Simulation Yes
Hardware Design Yes

Security and Practices

Security Risks File tampering
Best Practices Access control, Encrypted storage

Historical/Version Information

Initial Release 1980s
Latest Version Depends on software

Associated Types

Similar Extensions .sch, .pcb, .cam

Software Compatibility

Software Usage Policy OS Compatibility
Cadence Allegro PCB Designer Paid Windows
Altium Designer Paid Windows
Autodesk EAGLE Paid, Free version Windows, Mac, Linux