CSS-S20122S
AI

The **CSS-S20122S** is a specific model of a **Slide Switch**. These components are mechanical switches used to connect or disconnect an electrical circuit by sliding a physical actuator between different positions.
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## 1. Technical Specifications
Below are the typical electronic characteristics of the CSS-S20122S series:
| Parameter | Specification |
| :--- | :--- |
| **Circuit Type** | SPDT (Single Pole Double Throw) |
| **Function** | ON-ON |
| **Current Rating** | 0.3A (300mA) |
| **Voltage Rating** | 6V DC / 12V DC |
| **Contact Resistance** | 20mΩ Max (Initial) |
| **Insulation Resistance** | 100MΩ Min at 500V DC |
| **Dielectric Strength** | 500V AC for 1 minute |
| **Operating Life** | 10,000 Cycles |
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## 2. Structural Breakdown
The component consists of several key electronic and mechanical parts:
### A. The Actuator (Slide)
The plastic handle used to toggle the switch. In this model, it is usually a **side-actuated** or **top-actuated** design depending on the specific suffix, allowing for a low-profile integration into PCBs.
### B. Contact Terminals
* **Common Terminal:** The center pin that receives the input signal.
* **Output Terminals:** Two pins on either side. Depending on the slide position, the common terminal bridges to one of these outputs.
* **Material:** Usually silver-plated or gold-plated brass to ensure high conductivity and prevent oxidation.
### C. Housing (Frame)
A metal or high-temperature plastic casing that holds the internal spring mechanism and protects the contacts from dust and physical damage.
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## 3. Circuit Configuration
The CSS-S20122S functions as a **Single Pole Double Throw (SPDT)** switch.
### Connection Logic:
```text
Position 1: Pin 1 <---> Pin 2 (Connected) | Pin 3 (Open)
Position 2: Pin 1 (Open) | Pin 2 <---> Pin 3 (Connected)
```
*(Where Pin 2 is typically the Common terminal)*
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## 4. Common Applications
Due to its small footprint and low current rating, it is used in:
1. **Consumer Electronics:** Power switches for small toys, LED flashlights, or remote controls.
2. **Logic Switching:** Selecting between two modes in a circuit (e.g., changing between 3.3V and 5V power rails).
3. **Wearables:** Compact devices requiring a physical "hard" off switch to preserve battery.
- ⤷
What is the difference between SPDT and DPDT slide switches?
- ⤷ How do I solder the CSS-S20122S onto a PCB without melting the plastic housing?
- ⤷ Are there waterproof versions of this slide switch available?