Overview
The Male Header Single Row strip is a standard connector used across the entire electronics industry. This 40-pin strip features the universal 2.54mm (0.1 inch) pitch, making it compatible with every breadboard, jumper wire, and prototyping board on the market. These headers are “breakable,” meaning you can easily snap them by hand or with pliers to get the exact number of pins your project requires—be it 2 pins for a jumper or 16 pins for an LCD.
Key Features
Universal Compatibility: Fits perfectly into breadboards, female headers, and DuPont jumper wire connectors.
Easily Customisable: The plastic housing is notched, allowing you to snap the 40-pin strip into any smaller size without damaging the pins.
High Conductivity: Tin-plated brass pins ensure a stable, low-resistance connection for your signals and power.
Low Profile: Ideal for “stacking” boards or keeping your project height to a minimum.
Technical Specifications
| Feature | Specification |
| Number of Pins | 40 Pins |
| Pitch | 2.54mm (0.1 inch) |
| Row Type | Single Row |
| Pin Shape | Square |
| Mounting Angle | Straight (Vertical) |
| Material | Thermoplastic (Housing) / Brass (Pins) |
| Pin Length | ~11.5mm (Standard) |
Common Uses
Microcontrollers: Soldering onto Arduino Pro Mini, ESP32, or Pi Pico boards.
Displays: Connecting 16×2 or 20×4 LCDs to breadboards.
Sensors: Adding pins to sensor modules for easy testing.
Custom PCBs: The standard interface for connecting external modules.


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