W2SP-1AB-R/N
AI

The **W2SP-1AB-R/N** is a specific electronic component typically identified as a **Miniature Snap-Action Switch** (also known as a microswitch) or a specialized connector component, depending on the manufacturer (commonly associated with brands like **Zippy** or similar industrial suppliers).
Below is a detailed breakdown of its electronic characteristics and specifications.
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### 1. General Specifications
This part is designed for precision switching in compact environments. The "R/N" suffix often denotes specific contact materials or environmental ratings.
| Feature | Description |
| :--- | :--- |
| **Component Type** | Snap-Action Microswitch |
| **Circuit Configuration** | SPDT (Single Pole Double Throw) |
| **Actuator Style** | Pin Plunger (Standard) |
| **Termination Style** | PCB Terminals (Right Angle or Straight depending on sub-series) |
| **Contact Material** | Silver Alloy or Gold Plated (N-suffix variant) |
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### 2. Electrical Characteristics
These parameters define the safe operating limits of the device.
* **Current Rating:** Typically rated between **0.1A to 3A** depending on the specific voltage.
* **Voltage Rating:** Usually supports **125VAC / 250VAC** or low voltage **30VDC** applications.
* **Insulation Resistance:** 100MΩ Min. (at 500VDC).
* **Dielectric Strength:** 1,000VAC for 1 minute.
* **Contact Resistance:** Max 30mΩ to 50mΩ (initial).
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### 3. Mechanical & Environmental Properties
Microswitches like the W2SP series are valued for their tactile feedback and longevity.
* **Operating Force (OF):** High sensitivity, usually requiring between **60g to 150g** of force.
* **Mechanical Life:** Designed for **1,000,000 cycles** or more.
* **Operating Temperature:** -25°C to +85°C.
* **Ingress Protection:** Often carries an **IP67** rating if the "W" prefix denotes "Waterproof" in the manufacturer's naming convention (common for the W2 series).
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### 4. Typical Applications
Due to its small footprint and reliability, it is used in:
1. **Automotive:** Door latch detection, seatbelt sensors.
2. **Industrial:** Limit switches in small CNC machines or 3D printers.
3. **Consumer Electronics:** Computer mice, joystick buttons, or home appliances.
4. **Medical:** Fluid level detection or equipment safety interlocks.
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### 5. Part Number Breakdown (Typical)
| Code | Meaning |
| :--- | :--- |
| **W2** | Series identifier (often Subminiature/Waterproof) |
| **SP** | Single Pole configuration |
| **1AB** | Specific lever/actuator geometry and terminal type |
| **R/N** | **R**: RoHS Compliant; **N**: Specific contact plating (e.g., Nickel/Gold) |
- ⤷
What is the exact terminal pitch for the W2SP-1AB-R/N PCB mounting?
- ⤷ Can this switch be used in high-moisture environments?
- ⤷ What are the primary differences between the 'R' and 'N' variants?