Adafruit
DE-9 (DB-9) Male Plug to Terminal Block Breakout
The DE-9 (DB-9) Male Plug to Terminal Block Breakout makes it easy to create custom DE-9 cables or interfaces without soldering a connector. A solid PCB brea...
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The DE-9 (DB-9) Male Plug to Terminal Block Breakout makes it easy to create custom DE-9 cables or interfaces without soldering a connector. A solid PCB breaks out all nine pins of the DE-9 plug to screw terminal blocks, allowing quick connections with stranded or solid-core wire.
Ideal for non-standard wiring setups or interfacing with legacy serial devices, this breakout comes fully assembled with a clip-on housing for a clean, secure finish.
Key Features
- Screw Terminal Breakout – All 9 pins broken out to terminal blocks for solderless wiring
- DE-9 Male Plug – Standard DE-9 (commonly called DB-9) male connector
- Stranded or Solid Wire – Compatible with both wire types
- Clip-On Housing – Included for a secure, finished appearance
- Fully Assembled – Ready to use out of the box
Ideal For
- Custom serial cable and RS-232 wiring
- Interfacing with legacy devices and industrial equipment
- Prototyping and test jigs
- Quick wiring changes without soldering
Package Contents
- 1× DE-9 Male Plug to Terminal Block Breakout (fully assembled)
- 1× Clip-on housing
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
- PCB
- A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
- RS-232
- RS-232 is an older serial communication standard that uses higher, inverted signal voltages (typically around plus or minus 3 to 15 volts) rather than the low logic levels of modern microcontroller pins. When connecting RS-232 equipment to a microcontroller, you usually need an RS-232 transceiver or level converter rather than wiring it directly, or you risk damaging the pins.
- Terminal block
- A terminal block is a connector that joins wires together in a neat, removable, or serviceable way, usually clamping each wire under a screw or spring instead of soldering. It makes it easier to connect, change, or service wiring without permanent joints.
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