AI

The term **2829/2** typically refers to a specific series or nomenclature used for **Electronic Connectors**, most notably the **TE Connectivity / Buchanan** series of terminal blocks.
Below is a detailed breakdown of these electronic components, their specifications, and common applications.
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## 1. Component Overview: Terminal Blocks
The 2829/2 (often seen as part number `282834-2` or similar in the 2828/2829 series) represents a **PCB Mount Terminal Block**. These are mechanical connectors used to secure wires to a Printed Circuit Board (PCB) using a screw-clamping mechanism.
### Key Specifications
| Feature | Standard Specification |
| :--- | :--- |
| **Pitch** | Typically 2.54mm, 5.0mm, or 5.08mm |
| **Number of Positions** | 2 Positions (indicated by the /2) |
| **Orientation** | Side Entry (Wire enters parallel to PCB) |
| **Termination Method** | Screw - Rising Cage Clamp |
| **Voltage Rating** | 300V (Commonly) |
| **Current Rating** | 10A to 13.5A |
| **Wire Gauge** | 16-30 AWG |
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## 2. Technical Construction
These parts are designed for high reliability in industrial environments.
* **Housing Material:** Usually Polyamide (PA66), which is flame retardant (UL 94 V-0 rated).
* **Contact Material:** Brass or Phosphor Bronze with Tin plating to prevent oxidation and ensure high conductivity.
* **Clamp Material:** Copper alloy or steel, providing the mechanical force to hold the wire.
### Internal Logic
The "Rising Cage" mechanism is superior to simple wire protectors because it compresses the wire between two flat surfaces, preventing the screw from "shredding" the copper strands.
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## 3. Applications
These components are found in almost every sector of electronics where power or signals must enter a board from external wiring:
1. **Industrial Controls:** PLC inputs, motor controllers, and sensor interfaces.
2. **Power Supplies:** Used for DC output terminals.
3. **HVAC Systems:** Thermostat wiring and control boards.
4. **DIY/Prototyping:** Frequently used on Arduino or Raspberry Pi "hats" for easy wire attachment.
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## 4. Code Representation (PCB Footprint)
If you are designing a PCB using software like Altium or KiCad, the footprint for a 2-position 5.08mm pitch terminal block would look like this in a simplified script:
```python
# Pseudo-code for PCB Footprint Generation
component = "Terminal_Block_2829_2"
pitch = 5.08
positions = 2
for i in range(positions):
add_pad(x = i * pitch, y = 0, hole_diameter = 1.1, shape = "SQUARE" if i==0 else "CIRCLE")
```
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- ⤷
What is the difference between a 'Side Entry' and 'Top Entry' terminal block?
- ⤷ How do I choose the correct wire gauge (AWG) for a 2829 series connector?
- ⤷ Are there pluggable versions of these terminal blocks available?