The **GSA-1.25-R** is an electronic component primarily classified as a **Wire-to-Board Connector Terminal**. It belongs to a common connector family utilized in high-density electronic assemblies where space is a constraint. --- ### ## Technical Specifications The following table outlines the typical electrical and physical characteristics of the GSA-1.25-R connector series: | Property | Specification | | :--- | :--- | | **Pitch (Spacing)** | 1.25 mm | | **Current Rating** | 1.0A AC/DC | | **Voltage Rating** | 125V AC/DC | | **Contact Resistance** | 20 mΩ Max | | **Insulation Resistance** | 100 MΩ Min | | **Operating Temperature** | -25°C to +85°C | | **Wire Size Compatibility** | AWG #28 to #32 | | **Material** | Phosphor Bronze (Tin-plated) | --- ### ### Key Components and Construction The "GSA-1.25-R" designation usually refers to the **crimp terminal** that fits into a plastic housing. 1. **Crimp Terminal:** The metallic part (Phosphor Bronze) that is crimped onto the end of a wire. The "R" often signifies **Reel** packaging for automated crimping machines. 2. **Housing (Matching Part):** A nylon plastic shell that holds multiple terminals. 3. **Header (Board side):** The male pins soldered to the PCB that the housing plugs into. ### ### Application Use-Cases Due to its small 1.25mm pitch, this component is frequently found in: * **Drones and RC Equipment:** Connecting flight controllers to peripherals. * **LCD Displays:** Internal signal wiring for backlight or data. * **Consumer Electronics:** Smart home devices and portable speakers. * **Industrial Sensors:** Where small-form factor data transmission is required. --- ### ### Comparison with Similar Connectors | Feature | GSA 1.25 | JST-SH (1.0mm) | JST-PH (2.0mm) | | :--- | :--- | :--- | :--- | | **Density** | Medium | Very High | Low | | **Durability** | Moderate | Delicate | Robust | | **Ease of Hand Crimping** | Difficult | Very Difficult | Easy |