36-6-R
AI

The **36-6-R** typically refers to a specific series of **Wirewound Power Resistors**, most commonly associated with manufacturers like *Ohmite* or *Huntington Electric*. These components are designed to dissipate heat while maintaining a specific resistance in high-power circuits.
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### 1. Technical Specifications
The "36-6-R" nomenclature usually breaks down into physical size, wattage rating, and mounting style. Below are the standard specifications for this class of component:
| Feature | Specification |
| :--- | :--- |
| **Component Type** | Fixed Wirewound Resistor |
| **Power Rating** | Generally 6.25 to 7 Watts (varies by specific series) |
| **Resistance Range** | 0.1 $\Omega$ to 25k $\Omega$ (depending on tolerance) |
| **Tolerance** | Standard ±5% (J) or ±10% (K) |
| **Temperature Coefficient** | ±260 ppm/°C to ±400 ppm/°C |
| **Core Material** | Ceramic (Steatite or Alumina) |
| **Coating** | Vitreous Enamel or Silicone |
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### 2. Physical Construction
The "36-6-R" part belongs to the **Axial Lead** or **Radial Lug** category.
* **Resistive Element:** A high-grade resistance alloy wire (like Nichrome) is wound onto a ceramic core.
* **Encapsulation:** The assembly is coated in a flame-resistant material (Vitreous Enamel) that protects against moisture and oxidation.
* **Terminals:** Usually tinned copper-clad steel leads or solder lugs for high-heat environments.
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### 3. Key Applications
Because of their high thermal stability, these parts are used in "heavy-duty" electronic environments:
1. **Current Sensing:** Low resistance values are used to monitor current flow in power supplies.
2. **Voltage Dividers:** Used in high-voltage circuits to step down potential safely.
3. **Dynamic Braking:** Small motor control circuits use these to dissipate energy during deceleration.
4. **Inrush Limiting:** Protecting sensitive components from sudden power surges during startup.
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### 4. Identification Code Breakdown (Generic)
While codes can vary by manufacturer, here is how the 36-6-R is typically interpreted:
* **36:** Often indicates the physical series or frame size (length/diameter).
* **6:** Represents the wattage (6 Watts).
* **R:** Signifies the resistance value or a "RoHS" compliance indicator (Lead-Free).
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- ⤷
What is the maximum operating temperature for a 36-6-R series resistor?
- ⤷ Can this part be used in high-frequency AC applications?
- ⤷ What are the common failure modes for wirewound resistors?