W2SP-12A-R
AI

The **W2SP-12A-R** is an electronic component primarily classified as a **Sealed Rocker Switch**, typically manufactured by companies like **NKK Switches**. These components are designed for rugged environments where moisture, dust, and debris are prevalent.
---
### 1. Technical Specifications
The following table highlights the core technical characteristics of the W2SP-12A-R:
| Feature | Specification |
| :--- | :--- |
| **Switch Type** | Rocker Switch |
| **Circuit Type** | SPDT (Single Pole Double Throw) |
| **Switch Function** | ON - NONE - ON |
| **Current Rating** | 6A @ 125V AC / 3A @ 250V AC |
| **Termination Style** | PC Pin (Through-hole) |
| **Sealing Rating** | IP67 (Dust tight and Water immersion) |
| **Operating Temp** | -30°C to +85°C |
---
### 2. Key Component Features
#### A. Sealing Technology
The "W" in the series prefix usually denotes **Waterproof/Washable**. The switch features an internal o-ring and a rubber boot/seal that prevents liquid ingress through the actuator or the base. This makes it suitable for:
* Marine equipment.
* Medical devices requiring frequent cleaning.
* Outdoor control panels.
#### B. Contact Mechanism
The W2SP-12A-R utilizes a **snap-action contact mechanism**. This ensures:
* High reliability.
* Long electrical life (typically 50,000+ cycles).
* Minimized arcing during state transitions.
#### C. Mounting Design
It is designed for **PCB (Printed Circuit Board) mounting**. The pins are spaced specifically for standard grid layouts, allowing the switch to be soldered directly to the board rather than using wire leads or panel nuts.
---
### 3. Application Examples
Due to its SPDT (Single Pole Double Throw) configuration, it can be used to switch between two different circuits or power states:
* **Industrial Controls:** Toggling between manual and automatic modes.
* **Transportation:** Dashboard controls for lights or auxiliary power in off-road vehicles.
* **Consumer Electronics:** Power switches for devices used in humid environments.
- ⤷
What is the difference between SPDT and DPDT in rocker switches?
- ⤷ Can the W2SP-12A-R be used for DC applications?
- ⤷ What are the recommended soldering temperatures for PC pin rocker switches?