R10S-R2W1DC
AI

The **R10S-R2W1-DC** belongs to a specific series of sensitive, multi-contact relay modules, typically manufactured by companies like **TE Connectivity (Potter & Brumfield)**.
Below is a breakdown of the electronic specifications and components of this part.
### 1. General Specifications
The R10 series is known for its versatility in low-power switching applications and its high sensitivity.
| Feature | Specification |
| :--- | :--- |
| **Model Type** | R10S (Sensitive DC Input) |
| **Coil Voltage** | DC (Determined by the suffix, typically 5V - 48V) |
| **Contact Arrangement** | 2 Form W (2 Pole, Double Make/Break) |
| **Mounting Style** | Plug-in / Through-hole |
| **Max Contact Current** | 2 Amps (General purpose) |
---
### 2. Detailed Electronic Components
#### A. The Coil (S - Sensitive)
The "S" designation indicates a **Sensitive DC Coil**.
* Unlike standard relays that require significant power to actuate, sensitive coils operate on very low milliwatt (mW) power levels.
* This makes them suitable for direct interfacing with transistor circuits or IC outputs that cannot provide high current.
#### B. Contact Configuration (2W)
The **2W1** suffix describes the physical poles and throws:
* **2:** Two independent sets of contacts (DPDT or DPST).
* **W:** Indicates a specific contact material (often silver-cadmium oxide or gold-flashed silver) designed for reliable low-level to medium switching.
* **Contact Rating:** Typically rated for 2A at 28VDC or 120VAC.
#### C. Enclosure and Protection
* **Dust Cover:** These units usually come with a clear polycarbonate (plastic) cover to protect the mechanical linkages from environmental debris while allowing for visual inspection of the contact state.
* **Terminals:** Solder or plug-in terminals, often arranged in a "Cradle" relay format.
---
### 3. Applications
Due to the sensitivity and reliability of the R10S series, it is commonly found in:
1. **Telecommunications:** Signal routing and line switching.
2. **Logic Control:** Interfacing between microcontrollers and high-voltage actuators.
3. **Medical Equipment:** Reliable low-power switching.
4. **Audio Equipment:** Signal bypass or input selection where low noise is required.
---
### 4. Technical Pinout (Typical)
*Note: Always verify with the specific datasheet for your manufacture year.*
```text
[ Top View ]
(1) (2) (3) <- Contacts Set 1
(4) (5) (6) <- Contacts Set 2
(A) (B) <- Coil Terminals
```
- ⤷
What is the exact coil resistance for the DC voltage version you are using?
- ⤷ Does this relay require a specific socket
- ⤷ or can it be soldered directly to a PCB?
- ⤷ What are the alternatives if the R10S series is obsolete?