DB9 Breakout Board


BRK9F-R-DIN
(click image to enlarge)
  • Available with DB9 Male or Female connector
  • Perfect for prototyping serial port circuits
  • Screw terminal for each of the 9 lines, plus shield
  • Solder pad connection space for all 9 lines, plus shield
  • Supports addition of .1" pin headers
  • Rubber feet or DIN rail mount

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See Also: Dual DB9 Breakout Board,   More Breakout Boards,   DB9 Breadboard Adapters,   DB9 Cables


General Description

These breakout boards bring all 9 pins of a DB9 connector out to screw terminal blocks for easy connection and prototyping work. They are available with both male and female connectors. The BRK9M has a male connector and the BRK9F has a female connector. Each pin is also brought to solder pads (4 per pin) at 0.1" spacing, allowing easy addition of standard pin headers or other small components. Please note that the breakout boards are manufactured with a connection between each connector pin and the corresponding terminal block position; no soldering of any type is necessary. The solder pads simply provide an area for making optional connections to additional headers or other components.

For a smaller form factor DB9 breakout board without the prototyping area, mounting holes, or DIN mount option, please click here.

These break out boards are perfect for experimentation and prototype work, as well as for use in the educational laboratory. They are well-suited for work with RS-232 serial ports, I/O cards, and any other device that uses a DB-9 connector. It can be helpful in making MODBUS connections. A breakout board is sometimes referred to as a "transition module", "terminal board", or "interface module".

Technically, the correct term for a DB9 connector is DE9, but that term is not commonly used.

Product Documents

Part # DescriptionData Sheet
BRK9F Rev B (Active)DB9 Female Breakout Board
BRK9F Rev A (Obsolete)DB9 Female Breakout Board
BRK9M Rev E (Active)DB9 Male Breakout Board
BRK9M Rev D (Obsolete)DB9 Male Breakout Board
BRK9F Rev B (Active)
DB9 Female Breakout Board
BRK9F Rev A (Obsolete)
DB9 Female Breakout Board
BRK9M Rev E (Active)
DB9 Male Breakout Board
BRK9M Rev D (Obsolete)
DB9 Male Breakout Board

Connector Style

These breakout boards are available with either a Right Angle connector or a Straight ("Vertical") connector. The terms Right Angle and Straight refer to the connector itself, NOT the relationship of the mating cable to the plane of the PCB. In fact, the cable mating to a Right Angle connector is parallel to the PCB, while the cable mating to a Straight connector is perpendicular to the PCB. These are pictured below:
BRK9M-R-FT
Right Angle Connector
BRK9M-R-FT pictured
Click image to enlarge.
BRK9F-S-FT
Straight Connector
BRK9F-S-FT pictured
Click image to enlarge.

Mounting Options

These products are available in two different mounting variants. Product numbers ending with -DIN come with DIN clips already installed and ready to snap onto 35mm or 32mm DIN rail. Product numbers ending with -FT have stick-on rubber feet installed on the bottom side, allowing for benchtop use or panel mounting. For panel mounting, we suggest 1/4" nylon standoffs under the mounting holes, and #6 screws.
BRK9M-R-DIN
DIN Rail Mount
BRK9M-R-DIN
Click image to enlarge.
Rail not included
BRK9M-R-FT
Rubber Feet
BRK9M-R-FT
Click image to enlarge.

Product Details

  • DB9 connector
  • Screw terminal for each of the 9 lines, plus shield
  • Solder pad connection holes, four (4) per line
  • Supports addition of .1" pin headers
  • Screw terminals accomodate wire sizes from 16AWG to 26AWG
  • Approximate dimensions: 2.38" x 2.3"
  • Rubber feet or DIN rail mount


Pricing and Ordering

Product # Description 1+ 10+ RoHS Buy Now
DB9 Female Right Angle Connector:
BRK9F-R-DIN DB9 Female Breakout Board, R/A Connector, DIN Rail Mount $13.50 $12.75 Yes
BRK9F-R-FT DB9 Female Breakout Board, R/A Connector, Feet $12.00 $11.25 Yes
DB9 Female Straight Connector:
BRK9F-S-DIN DB9 Female Breakout Board, Straight Connector, DIN Rail Mount $14.00 $13.25 Yes
BRK9F-S-FT DB9 Female Breakout Board, Straight Connector, Feet $12.50 $11.75 Yes
DB9 Male Right Angle Connector:
BRK9M-R-DIN DB9 Male Breakout Board, R/A Connector, DIN Rail Mount $13.50 $12.75 Yes
BRK9M-R-FT DB9 Male Breakout Board, R/A Connector, Feet $12.00 $11.25 Yes
DB9 Male Straight Connector:
BRK9M-S-DIN DB9 Male Breakout Board, Straight Connector, DIN Rail Mount $14.00 $13.25 Yes
BRK9M-S-FT DB9 Male Breakout Board, Straight Connector, Feet $12.50 $11.75 Yes
DB9 Female Right Angle Connector:
BRK9F-R-DIN
DB9 Female Breakout Board, R/A Connector, DIN Rail Mount
RoHS: Yes
Buy Now:
QuantityPrice
1+$13.50
10+$12.75
BRK9F-R-FT
DB9 Female Breakout Board, R/A Connector, Feet
RoHS: Yes
Buy Now:
QuantityPrice
1+$12.00
10+$11.25
DB9 Female Straight Connector:
BRK9F-S-DIN
DB9 Female Breakout Board, Straight Connector, DIN Rail Mount
RoHS: Yes
Buy Now:
QuantityPrice
1+$14.00
10+$13.25
BRK9F-S-FT
DB9 Female Breakout Board, Straight Connector, Feet
RoHS: Yes
Buy Now:
QuantityPrice
1+$12.50
10+$11.75
DB9 Male Right Angle Connector:
BRK9M-R-DIN
DB9 Male Breakout Board, R/A Connector, DIN Rail Mount
RoHS: Yes
Buy Now:
QuantityPrice
1+$13.50
10+$12.75
BRK9M-R-FT
DB9 Male Breakout Board, R/A Connector, Feet
RoHS: Yes
Buy Now:
QuantityPrice
1+$12.00
10+$11.25
DB9 Male Straight Connector:
BRK9M-S-DIN
DB9 Male Breakout Board, Straight Connector, DIN Rail Mount
RoHS: Yes
Buy Now:
QuantityPrice
1+$14.00
10+$13.25
BRK9M-S-FT
DB9 Male Breakout Board, Straight Connector, Feet
RoHS: Yes
Buy Now:
QuantityPrice
1+$12.50
10+$11.75

All of the above items are normally stocked. Please call us if you need to verify availability for a specific quantity, or for pricing at higher quantities. Please visit our ordering page for our ordering policies and a list of ordering methods.
What is RoHS? If you need a RoHS version of a non-RoHS product, please contact us.